GAZ VICTORY

IMO 9458171

Vessel information

Vessel Name GAZ VICTORY
IMO Number 9458171
MMSI 355213000
Vessel Type Tanker - Hazard B
Flag 🇵🇦 PANAMA
Call Sign 3FUG
Length 155 m
Beam 23 m

Detected Events (100)

Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 15, 2026 05:06 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 2h 10m
  • Data Points: 7 AIS positions
  • Period: 2026-09-15T05:06:37+00:00 to 2026-09-15T07:16:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 130,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-09-15T05:06:37+00:00",
        "lat": 34.4319167000000021516825654543936252593994140625,
        "lon": 33.52952830000000261634340859018266201019287109375
    },
    "last_point": {
        "ts": "2026-09-15T07:16:35+00:00",
        "lat": 34.24922169999999965739334584213793277740478515625,
        "lon": 34.02257670000000189247657544910907745361328125
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 15, 2026 04:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 3h 13m
  • Data Points: 14 AIS positions
  • Period: 2026-09-15T04:02:47+00:00 to 2026-09-15T07:16:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 193.80000000000001136868377216160297393798828125,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-09-15T04:02:47+00:00",
        "lat": 34.4284049999999979263520799577236175537109375,
        "lon": 33.52830999999999761485014460049569606781005859375
    },
    "last_point": {
        "ts": "2026-09-15T07:16:35+00:00",
        "lat": 34.24922169999999965739334584213793277740478515625,
        "lon": 34.02257670000000189247657544910907745361328125
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 15, 2026 03:12 UTC 75.0%
  • Duration: 1h 54m
  • Radius: 410 meters
  • Data Points: 22 AIS positions
  • Centroid: 34.4284, 33.5281
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 410.3999999999999772626324556767940521240234375,
    "duration_minutes": 114.2000000000000028421709430404007434844970703125,
    "points": 22,
    "centroid": {
        "lat": 34.42839773181817264458004501648247241973876953125,
        "lon": 33.52814999545454810458977590315043926239013671875
    },
    "bbox": {
        "min_lat": 34.42741000000000184400050784461200237274169921875,
        "min_lon": 33.52718999999999738292899564839899539947509765625,
        "max_lat": 34.4319167000000021516825654543936252593994140625,
        "max_lon": 33.52952830000000261634340859018266201019287109375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 15, 2026 03:12 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 4h 4m
  • Data Points: 28 AIS positions
  • Period: 2026-09-15T03:12:25+00:00 to 2026-09-15T07:16:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 244.19999999999998863131622783839702606201171875,
    "points_in_zone": 28,
    "first_point": {
        "ts": "2026-09-15T03:12:25+00:00",
        "lat": 34.42741000000000184400050784461200237274169921875,
        "lon": 33.52718999999999738292899564839899539947509765625
    },
    "last_point": {
        "ts": "2026-09-15T07:16:35+00:00",
        "lat": 34.24922169999999965739334584213793277740478515625,
        "lon": 34.02257670000000189247657544910907745361328125
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 15, 2026 02:04 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 5h 12m
  • Data Points: 29 AIS positions
  • Period: 2026-09-15T02:04:28+00:00 to 2026-09-15T07:16:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 312.1000000000000227373675443232059478759765625,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-09-15T02:04:28+00:00",
        "lat": 34.42896170000000211075530387461185455322265625,
        "lon": 33.526156700000001364969648420810699462890625
    },
    "last_point": {
        "ts": "2026-09-15T07:16:35+00:00",
        "lat": 34.24922169999999965739334584213793277740478515625,
        "lon": 34.02257670000000189247657544910907745361328125
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 15, 2026 02:04 UTC 75.0%
  • Duration: 3h 2m
  • Radius: 410 meters
  • Data Points: 23 AIS positions
  • Centroid: 34.4284, 33.5281
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 410.3999999999999772626324556767940521240234375,
    "duration_minutes": 182.19999999999998863131622783839702606201171875,
    "points": 23,
    "centroid": {
        "lat": 34.4284222521739167177656781859695911407470703125,
        "lon": 33.5280633304347901457731495611369609832763671875
    },
    "bbox": {
        "min_lat": 34.42741000000000184400050784461200237274169921875,
        "min_lon": 33.526156700000001364969648420810699462890625,
        "max_lat": 34.4319167000000021516825654543936252593994140625,
        "max_lon": 33.52952830000000261634340859018266201019287109375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 15, 2026 01:20 UTC 75.0%
  • Duration: 3h 57m
  • Radius: 713 meters
  • Data Points: 28 AIS positions
  • Centroid: 34.4289, 33.5275
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 713.299999999999954525264911353588104248046875,
    "duration_minutes": 237.19999999999998863131622783839702606201171875,
    "points": 28,
    "centroid": {
        "lat": 34.428898992857142502543865703046321868896484375,
        "lon": 33.5275057107142941958954907022416591644287109375
    },
    "bbox": {
        "min_lat": 34.42741000000000184400050784461200237274169921875,
        "min_lon": 33.5228733000000005404217517934739589691162109375,
        "max_lat": 34.43405829999999667734300601296126842498779296875,
        "max_lon": 33.52952830000000261634340859018266201019287109375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 15, 2026 01:03 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 13m
  • Data Points: 35 AIS positions
  • Period: 2026-09-15T01:03:05+00:00 to 2026-09-15T07:16:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 373.5,
    "points_in_zone": 35,
    "first_point": {
        "ts": "2026-09-15T01:03:05+00:00",
        "lat": 34.434678300000001627267920412123203277587890625,
        "lon": 33.52218169999999730634954175911843776702880859375
    },
    "last_point": {
        "ts": "2026-09-15T07:16:35+00:00",
        "lat": 34.24922169999999965739334584213793277740478515625,
        "lon": 34.02257670000000189247657544910907745361328125
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 15, 2026 00:13 UTC 75.0%
  • Duration: 4h 34m
  • Radius: 1,012 meters
  • Data Points: 40 AIS positions
  • Centroid: 34.4311, 33.5253
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1011.700000000000045474735088646411895751953125,
    "duration_minutes": 274.5,
    "points": 40,
    "centroid": {
        "lat": 34.43113358499999065998053993098437786102294921875,
        "lon": 33.52528783500000741923940950073301792144775390625
    },
    "bbox": {
        "min_lat": 34.42741000000000184400050784461200237274169921875,
        "min_lon": 33.51802330000000296195139526389539241790771484375,
        "max_lat": 34.437984999999997626218828372657299041748046875,
        "max_lon": 33.52952830000000261634340859018266201019287109375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 15, 2026 00:00 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 31m
  • Data Points: 42 AIS positions
  • Period: 2026-09-15T00:44:56+00:00 to 2026-09-15T07:16:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 391.6000000000000227373675443232059478759765625,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-09-15T00:44:56+00:00",
        "lat": 34.43662669999999792480593896470963954925537109375,
        "lon": 33.5196717000000035113771446049213409423828125
    },
    "last_point": {
        "ts": "2026-09-15T07:16:35+00:00",
        "lat": 34.24922169999999965739334584213793277740478515625,
        "lon": 34.02257670000000189247657544910907745361328125
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 23:21 UTC 75.0%
  • Duration: 2h 9m
  • Radius: 1,067 meters
  • Data Points: 29 AIS positions
  • Centroid: 34.4365, 33.5190
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1066.700000000000045474735088646411895751953125,
    "duration_minutes": 129.099999999999994315658113919198513031005859375,
    "points": 29,
    "centroid": {
        "lat": 34.43653597931034937573713250458240509033203125,
        "lon": 33.51900742068966110309702344238758087158203125
    },
    "bbox": {
        "min_lat": 34.42896170000000211075530387461185455322265625,
        "min_lon": 33.51212000000000301724867313168942928314208984375,
        "max_lat": 34.4409117000000009056748240254819393157958984375,
        "max_lon": 33.526156700000001364969648420810699462890625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 23:07 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 10m
  • Data Points: 69 AIS positions
  • Period: 2026-09-14T23:07:45+00:00 to 2026-09-15T05:18:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 370.3999999999999772626324556767940521240234375,
    "points_in_zone": 69,
    "first_point": {
        "ts": "2026-09-14T23:07:45+00:00",
        "lat": 34.44232000000000226691554416902363300323486328125,
        "lon": 33.5009567000000032521711545996367931365966796875
    },
    "last_point": {
        "ts": "2026-09-15T05:18:06+00:00",
        "lat": 34.42378999999999678038875572383403778076171875,
        "lon": 33.547453300000000808722688816487789154052734375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 22:09 UTC 75.0%
  • Duration: 2h 12m
  • Radius: 1,334 meters
  • Data Points: 43 AIS positions
  • Centroid: 34.4396, 33.5123
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1333.5,
    "duration_minutes": 132.900000000000005684341886080801486968994140625,
    "points": 43,
    "centroid": {
        "lat": 34.43962589302326904316942091099917888641357421875,
        "lon": 33.5122849604651236177232931368052959442138671875
    },
    "bbox": {
        "min_lat": 34.43405829999999667734300601296126842498779296875,
        "min_lon": 33.49823330000000254358383244834840297698974609375,
        "max_lat": 34.44262169999999656511135981418192386627197265625,
        "max_lon": 33.5228733000000005404217517934739589691162109375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 22:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 76 AIS positions
  • Period: 2026-09-14T22:42:15+00:00 to 2026-09-15T05:18:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 395.8999999999999772626324556767940521240234375,
    "points_in_zone": 76,
    "first_point": {
        "ts": "2026-09-14T22:42:15+00:00",
        "lat": 34.4428817000000009329596650786697864532470703125,
        "lon": 33.49460499999999996134647517465054988861083984375
    },
    "last_point": {
        "ts": "2026-09-15T05:18:06+00:00",
        "lat": 34.42378999999999678038875572383403778076171875,
        "lon": 33.547453300000000808722688816487789154052734375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 21:32 UTC 75.0%
  • Duration: 1h 52m
  • Radius: 1,212 meters
  • Data Points: 37 AIS positions
  • Centroid: 34.4424, 33.4987
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1211.799999999999954525264911353588104248046875,
    "duration_minutes": 112.7999999999999971578290569595992565155029296875,
    "points": 37,
    "centroid": {
        "lat": 34.44242144324324073068055440671741962432861328125,
        "lon": 33.49873904594594620220959768630564212799072265625
    },
    "bbox": {
        "min_lat": 34.441041699999999536885297857224941253662109375,
        "min_lon": 33.4856233000000003130480763502418994903564453125,
        "max_lat": 34.4435433000000017500497051514685153961181640625,
        "max_lon": 33.51126670000000018490027287043631076812744140625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 21:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 88 AIS positions
  • Period: 2026-09-14T21:42:14+00:00 to 2026-09-15T04:19:18+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397.1000000000000227373675443232059478759765625,
    "points_in_zone": 88,
    "first_point": {
        "ts": "2026-09-14T21:42:14+00:00",
        "lat": 34.44413329999999717756509198807179927825927734375,
        "lon": 33.4819432999999975208993419073522090911865234375
    },
    "last_point": {
        "ts": "2026-09-15T04:19:18+00:00",
        "lat": 34.42900670000000218351488001644611358642578125,
        "lon": 33.5286832999999973026206134818494319915771484375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 20:10 UTC 75.0%
  • Duration: 1h 47m
  • Radius: 1,162 meters
  • Data Points: 36 AIS positions
  • Centroid: 34.4443, 33.4816
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1161.700000000000045474735088646411895751953125,
    "duration_minutes": 107.2999999999999971578290569595992565155029296875,
    "points": 36,
    "centroid": {
        "lat": 34.444339263888878122088499367237091064453125,
        "lon": 33.4815673166666698534754686988890171051025390625
    },
    "bbox": {
        "min_lat": 34.44293669999999707442839280702173709869384765625,
        "min_lon": 33.4691499999999990677679306827485561370849609375,
        "max_lat": 34.44630000000000080717654782347381114959716796875,
        "max_lon": 33.49387829999999866004145587794482707977294921875
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 20:03 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 97 AIS positions
  • Period: 2026-09-14T20:41:53+00:00 to 2026-09-15T03:19:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397.69999999999998863131622783839702606201171875,
    "points_in_zone": 97,
    "first_point": {
        "ts": "2026-09-14T20:41:53+00:00",
        "lat": 34.44702000000000197132976609282195568084716796875,
        "lon": 33.46672000000000224417817662470042705535888671875
    },
    "last_point": {
        "ts": "2026-09-15T03:19:35+00:00",
        "lat": 34.42743500000000267391442321240901947021484375,
        "lon": 33.527410000000003265085979364812374114990234375
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 19:05 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 32m
  • Data Points: 124 AIS positions
  • Period: 2026-09-14T19:31:38+00:00 to 2026-09-15T02:04:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 392.80000000000001136868377216160297393798828125,
    "points_in_zone": 124,
    "first_point": {
        "ts": "2026-09-14T19:31:38+00:00",
        "lat": 34.4885000000000019326762412674725055694580078125,
        "lon": 33.3386899999999997135091689415276050567626953125
    },
    "last_point": {
        "ts": "2026-09-15T02:04:28+00:00",
        "lat": 34.42896170000000211075530387461185455322265625,
        "lon": 33.526156700000001364969648420810699462890625
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 18:03 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 133 AIS positions
  • Period: 2026-09-14T18:50:05+00:00 to 2026-09-15T01:20:45+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390.69999999999998863131622783839702606201171875,
    "points_in_zone": 133,
    "first_point": {
        "ts": "2026-09-14T18:50:05+00:00",
        "lat": 34.4929699999999996862243278883397579193115234375,
        "lon": 33.31616669999999658102751709520816802978515625
    },
    "last_point": {
        "ts": "2026-09-15T01:20:45+00:00",
        "lat": 34.4328900000000004411049303598701953887939453125,
        "lon": 33.52365999999999957026375341229140758514404296875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 17:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 34m
  • Data Points: 136 AIS positions
  • Period: 2026-09-14T17:52:44+00:00 to 2026-09-15T00:26:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 394,
    "points_in_zone": 136,
    "first_point": {
        "ts": "2026-09-14T17:52:44+00:00",
        "lat": 34.49876669999999734272932983003556728363037109375,
        "lon": 33.29505999999999943383954814635217189788818359375
    },
    "last_point": {
        "ts": "2026-09-15T00:26:46+00:00",
        "lat": 34.43852170000000256777639151550829410552978515625,
        "lon": 33.5170083000000005313268047757446765899658203125
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 16:00 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 136 AIS positions
  • Period: 2026-09-14T16:52:44+00:00 to 2026-09-14T23:27:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 395,
    "points_in_zone": 136,
    "first_point": {
        "ts": "2026-09-14T16:52:44+00:00",
        "lat": 34.485178300000001172520569525659084320068359375,
        "lon": 33.40501830000000182963049155659973621368408203125
    },
    "last_point": {
        "ts": "2026-09-14T23:27:43+00:00",
        "lat": 34.44189000000000078216544352471828460693359375,
        "lon": 33.50567670000000219943103729747235774993896484375
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 15:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 139 AIS positions
  • Period: 2026-09-14T15:50:05+00:00 to 2026-09-14T22:25:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 395,
    "points_in_zone": 139,
    "first_point": {
        "ts": "2026-09-14T15:50:05+00:00",
        "lat": 34.46354000000000183945303433574736118316650390625,
        "lon": 33.527406700000000228101271204650402069091796875
    },
    "last_point": {
        "ts": "2026-09-14T22:25:05+00:00",
        "lat": 34.44293669999999707442839280702173709869384765625,
        "lon": 33.49124669999999781566657475195825099945068359375
    }
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 14, 2026 14:04 UTC 78/100
Vessel A: IMO 9291224 (GAZ INTERCEPTOR) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 4 meters
  • Average Distance: 29 meters
  • Duration: 57 minutes
  • Period: 2026-09-14T14:28:57+00:00 to 2026-09-14T15:25:55+00:00
  • Vessel A Avg Speed: 1.0 knots
  • Vessel B Avg Speed: 1.0 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 78/100

Moderate-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 4m, avg 29m) for 57 minutes. Both vessels were slow-moving (avg speeds 1.0 and 1.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 4m, avg 29m
Duration10/25Duration 57 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±20m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 351259000,
        "imo": 9291224,
        "name": "GAZ INTERCEPTOR",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 3.70000000000000017763568394002504646778106689453125,
    "avg_distance_m": 28.699999999999999289457264239899814128875732421875,
    "distance_consistency_m": 19.5,
    "duration_minutes": 57,
    "overlap_duration_s": 3418,
    "speed_a_avg": 0.9899999999999999911182158029987476766109466552734375,
    "speed_a_std": 0.2600000000000000088817841970012523233890533447265625,
    "speed_b_avg": 0.9699999999999999733546474089962430298328399658203125,
    "speed_b_std": 0.2399999999999999911182158029987476766109466552734375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.9899999999999999911182158029987476766109466552734375,
            "max_sog": 2
        },
        "vessel_b": {
            "avg_sog": 0.9699999999999999733546474089962430298328399658203125,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        }
    },
    "time_window": {
        "start": "2026-09-14T14:28:57+00:00",
        "end": "2026-09-14T15:25:55+00:00"
    },
    "points_count": {
        "vessel_a": 21,
        "vessel_b": 21
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 78,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 4m, avg 29m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 57 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b120m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 4m, avg 29m) for 57 minutes. Both vessels were slow-moving (avg speeds 1.0 and 1.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 14:00 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 137 AIS positions
  • Period: 2026-09-14T14:50:45+00:00 to 2026-09-14T21:27:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397.19999999999998863131622783839702606201171875,
    "points_in_zone": 137,
    "first_point": {
        "ts": "2026-09-14T14:50:45+00:00",
        "lat": 34.4429133000000007314156391657888889312744140625,
        "lon": 33.53847669999999681067492929287254810333251953125
    },
    "last_point": {
        "ts": "2026-09-14T21:27:55+00:00",
        "lat": 34.44478000000000150748746818862855434417724609375,
        "lon": 33.47848330000000061090759118087589740753173828125
    }
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 14, 2026 13:09 UTC 90/100
Vessel A: IMO 9291224 (GAZ INTERCEPTOR) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 3 meters
  • Average Distance: 40 meters
  • Duration: 2h 1m
  • Period: 2026-09-14T13:24:26+00:00 to 2026-09-14T15:25:55+00:00
  • Vessel A Avg Speed: 1.0 knots
  • Vessel B Avg Speed: 1.0 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 90/100

High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 3m, avg 40m) for 122 minutes. Both vessels were slow-moving (avg speeds 1.0 and 1.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 3m, avg 40m
Duration25/25Duration 122 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency12/15Distance variance ±34m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 351259000,
        "imo": 9291224,
        "name": "GAZ INTERCEPTOR",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 2.79999999999999982236431605997495353221893310546875,
    "avg_distance_m": 39.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 34.39999999999999857891452847979962825775146484375,
    "duration_minutes": 121.5,
    "overlap_duration_s": 7289,
    "speed_a_avg": 0.95999999999999996447286321199499070644378662109375,
    "speed_a_std": 0.2099999999999999922284388276239042170345783233642578125,
    "speed_b_avg": 0.9699999999999999733546474089962430298328399658203125,
    "speed_b_std": 0.190000000000000002220446049250313080847263336181640625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.95999999999999996447286321199499070644378662109375,
            "max_sog": 2
        },
        "vessel_b": {
            "avg_sog": 0.9699999999999999733546474089962430298328399658203125,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        }
    },
    "time_window": {
        "start": "2026-09-14T13:24:26+00:00",
        "end": "2026-09-14T15:25:55+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 3m, avg 40m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 122 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b134m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 3m, avg 40m) for 122 minutes. Both vessels were slow-moving (avg speeds 1.0 and 1.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 13:00 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 133 AIS positions
  • Period: 2026-09-14T13:51:44+00:00 to 2026-09-14T20:28:34+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396.80000000000001136868377216160297393798828125,
    "points_in_zone": 133,
    "first_point": {
        "ts": "2026-09-14T13:51:44+00:00",
        "lat": 34.44099829999999684559952584095299243927001953125,
        "lon": 33.5193866999999983136149239726364612579345703125
    },
    "last_point": {
        "ts": "2026-09-14T20:28:34+00:00",
        "lat": 34.44798999999999722376742283813655376434326171875,
        "lon": 33.463768299999998134808265604078769683837890625
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Northern Baltic Sea Surveillance Zone
Sep 14, 2026 12:10 UTC 90/100
Vessel A: IMO 9291224 (GAZ INTERCEPTOR) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 2 meters
  • Average Distance: 39 meters
  • Duration: 3h 15m
  • Period: 2026-09-14T12:10:26+00:00 to 2026-09-14T15:25:55+00:00
  • Vessel A Avg Speed: 0.9 knots
  • Vessel B Avg Speed: 0.9 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 90/100

High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 2m, avg 39m) for 196 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 2m, avg 39m
Duration25/25Duration 196 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency12/15Distance variance ±35m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-14T18:45:08.052801+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 351259000,
        "imo": 9291224,
        "name": "GAZ INTERCEPTOR",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 1.600000000000000088817841970012523233890533447265625,
    "avg_distance_m": 39.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 35.10000000000000142108547152020037174224853515625,
    "duration_minutes": 195.5,
    "overlap_duration_s": 11729,
    "speed_a_avg": 0.91000000000000003108624468950438313186168670654296875,
    "speed_a_std": 0.200000000000000011102230246251565404236316680908203125,
    "speed_b_avg": 0.92000000000000003996802888650563545525074005126953125,
    "speed_b_std": 0.179999999999999993338661852249060757458209991455078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.91000000000000003108624468950438313186168670654296875,
            "max_sog": 2
        },
        "vessel_b": {
            "avg_sog": 0.92000000000000003996802888650563545525074005126953125,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        }
    },
    "time_window": {
        "start": "2026-09-14T12:10:26+00:00",
        "end": "2026-09-14T15:25:55+00:00"
    },
    "points_count": {
        "vessel_a": 53,
        "vessel_b": 53
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 2m, avg 39m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 196 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b135m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 2m, avg 39m) for 196 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.44064920000000284971974906511604785919189453125,
            "lon": 33.52305489999999821293386048637330532073974609375
        },
        "time_window": {
            "start_ts": "2026-09-14T12:10:26+00:00",
            "end_ts": "2026-09-14T15:25:55+00:00"
        },
        "searched_at": "2026-09-14T18:45:08.052801+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 12:02 UTC 75.0%
  • Duration: 1h 32m
  • Radius: 1,393 meters
  • Data Points: 25 AIS positions
  • Centroid: 34.4385, 33.5080
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1393.40000000000009094947017729282379150390625,
    "duration_minutes": 92.7000000000000028421709430404007434844970703125,
    "points": 25,
    "centroid": {
        "lat": 34.4385162040000096794756245799362659454345703125,
        "lon": 33.50797767200000265574999502860009670257568359375
    },
    "bbox": {
        "min_lat": 34.43488669999999984838723321445286273956298828125,
        "min_lon": 33.493463300000001936496119014918804168701171875,
        "max_lat": 34.441135000000002719389158301055431365966796875,
        "max_lon": 33.520094999999997753548086620867252349853515625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 12:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 34m
  • Data Points: 124 AIS positions
  • Period: 2026-09-14T12:53:04+00:00 to 2026-09-14T19:27:36+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 394.5,
    "points_in_zone": 124,
    "first_point": {
        "ts": "2026-09-14T12:53:04+00:00",
        "lat": 34.4372333000000026004272513091564178466796875,
        "lon": 33.50200000000000244426701101474463939666748046875
    },
    "last_point": {
        "ts": "2026-09-14T19:27:36+00:00",
        "lat": 34.49214330000000217069100472144782543182373046875,
        "lon": 33.3305500000000023419488570652902126312255859375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 11:49 UTC 75.0%
  • Duration: 1h 35m
  • Radius: 1,328 meters
  • Data Points: 24 AIS positions
  • Centroid: 34.4365, 33.5001
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1328.299999999999954525264911353588104248046875,
    "duration_minutes": 95,
    "points": 24,
    "centroid": {
        "lat": 34.4365054249999928970282780937850475311279296875,
        "lon": 33.500093125000006466507329605519771575927734375
    },
    "bbox": {
        "min_lat": 34.432181700000001001171767711639404296875,
        "min_lon": 33.4866166999999990139258443377912044525146484375,
        "max_lat": 34.4394367000000016787453205324709415435791015625,
        "max_lon": 33.51183830000000085647116065956652164459228515625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts🛰️✗ Northern Baltic Sea Surveillance Zone
Sep 14, 2026 11:09 UTC 90/100
Vessel A: IMO 9291224 (GAZ INTERCEPTOR) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 2 meters
  • Average Distance: 39 meters
  • Duration: 4h 16m
  • Period: 2026-09-14T11:09:56+00:00 to 2026-09-14T15:25:55+00:00
  • Vessel A Avg Speed: 0.9 knots
  • Vessel B Avg Speed: 0.9 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 90/100

High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 2m, avg 39m) for 256 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 2m, avg 39m
Duration25/25Duration 256 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency12/15Distance variance ±36m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-14T17:45:09.522128+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 351259000,
        "imo": 9291224,
        "name": "GAZ INTERCEPTOR",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 1.600000000000000088817841970012523233890533447265625,
    "avg_distance_m": 39.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 36.2999999999999971578290569595992565155029296875,
    "duration_minutes": 256,
    "overlap_duration_s": 15359,
    "speed_a_avg": 0.89000000000000001332267629550187848508358001708984375,
    "speed_a_std": 0.190000000000000002220446049250313080847263336181640625,
    "speed_b_avg": 0.89000000000000001332267629550187848508358001708984375,
    "speed_b_std": 0.179999999999999993338661852249060757458209991455078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.89000000000000001332267629550187848508358001708984375,
            "max_sog": 2
        },
        "vessel_b": {
            "avg_sog": 0.89000000000000001332267629550187848508358001708984375,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        }
    },
    "time_window": {
        "start": "2026-09-14T11:09:56+00:00",
        "end": "2026-09-14T15:25:55+00:00"
    },
    "points_count": {
        "vessel_a": 62,
        "vessel_b": 62
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 2m, avg 39m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 256 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b136m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 2m, avg 39m) for 256 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.439186100000000578802428208291530609130859375,
            "lon": 33.51722269999999781475708005018532276153564453125
        },
        "time_window": {
            "start_ts": "2026-09-14T11:09:56+00:00",
            "end_ts": "2026-09-14T15:25:55+00:00"
        },
        "searched_at": "2026-09-14T17:45:09.522128+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 11:04 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 117 AIS positions
  • Period: 2026-09-14T11:52:55+00:00 to 2026-09-14T18:28:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 395.5,
    "points_in_zone": 117,
    "first_point": {
        "ts": "2026-09-14T11:52:55+00:00",
        "lat": 34.432181700000001001171767711639404296875,
        "lon": 33.4866166999999990139258443377912044525146484375
    },
    "last_point": {
        "ts": "2026-09-14T18:28:26+00:00",
        "lat": 34.49497000000000213049133890308439731597900390625,
        "lon": 33.30803829999999976507751853205263614654541015625
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Northern Baltic Sea Surveillance Zone
Sep 14, 2026 10:09 UTC 90/100
Vessel A: IMO 9291224 (GAZ INTERCEPTOR) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 1 meters
  • Average Distance: 36 meters
  • Duration: 5h 16m
  • Period: 2026-09-14T10:09:06+00:00 to 2026-09-14T15:25:55+00:00
  • Vessel A Avg Speed: 0.9 knots
  • Vessel B Avg Speed: 0.9 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 90/100

High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 1m, avg 36m) for 317 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 1m, avg 36m
Duration25/25Duration 317 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency12/15Distance variance ±34m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-14T16:45:06.493508+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 351259000,
        "imo": 9291224,
        "name": "GAZ INTERCEPTOR",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 0.8000000000000000444089209850062616169452667236328125,
    "avg_distance_m": 36.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 34.39999999999999857891452847979962825775146484375,
    "duration_minutes": 316.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 19009,
    "speed_a_avg": 0.86999999999999999555910790149937383830547332763671875,
    "speed_a_std": 0.179999999999999993338661852249060757458209991455078125,
    "speed_b_avg": 0.86999999999999999555910790149937383830547332763671875,
    "speed_b_std": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.86999999999999999555910790149937383830547332763671875,
            "max_sog": 2
        },
        "vessel_b": {
            "avg_sog": 0.86999999999999999555910790149937383830547332763671875,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        }
    },
    "time_window": {
        "start": "2026-09-14T10:09:06+00:00",
        "end": "2026-09-14T15:25:55+00:00"
    },
    "points_count": {
        "vessel_a": 74,
        "vessel_b": 74
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 36m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 317 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b134m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 1m, avg 36m) for 317 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.436611999999996669430402107536792755126953125,
            "lon": 33.5095000000000027284841053187847137451171875
        },
        "time_window": {
            "start_ts": "2026-09-14T10:09:06+00:00",
            "end_ts": "2026-09-14T15:25:55+00:00"
        },
        "searched_at": "2026-09-14T16:45:06.493508+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 10:03 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 112 AIS positions
  • Period: 2026-09-14T10:50:54+00:00 to 2026-09-14T17:28:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397.80000000000001136868377216160297393798828125,
    "points_in_zone": 112,
    "first_point": {
        "ts": "2026-09-14T10:50:54+00:00",
        "lat": 34.4252467000000024199835024774074554443359375,
        "lon": 33.47254170000000073059709393419325351715087890625
    },
    "last_point": {
        "ts": "2026-09-14T17:28:44+00:00",
        "lat": 34.49464830000000148402250488288700580596923828125,
        "lon": 33.33437330000000287100192508660256862640380859375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 10:03 UTC 75.0%
  • Duration: 1h 30m
  • Radius: 1,102 meters
  • Data Points: 23 AIS positions
  • Centroid: 34.4304, 33.4828
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1101.90000000000009094947017729282379150390625,
    "duration_minutes": 90.2000000000000028421709430404007434844970703125,
    "points": 23,
    "centroid": {
        "lat": 34.43035616956522204645807505585253238677978515625,
        "lon": 33.48282173478261114496490336023271083831787109375
    },
    "bbox": {
        "min_lat": 34.4252467000000024199835024774074554443359375,
        "min_lon": 33.47254170000000073059709393419325351715087890625,
        "max_lat": 34.43488669999999984838723321445286273956298828125,
        "max_lon": 33.493463300000001936496119014918804168701171875
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 14, 2026 09:32 UTC 90/100
Vessel A: IMO 9291224 (GAZ INTERCEPTOR) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 1 meters
  • Average Distance: 38 meters
  • Duration: 5h 56m
  • Period: 2026-09-14T09:29:57+00:00 to 2026-09-14T15:25:55+00:00
  • Vessel A Avg Speed: 0.9 knots
  • Vessel B Avg Speed: 0.9 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 90/100

High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 1m, avg 38m) for 356 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 1m, avg 38m
Duration25/25Duration 356 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency12/15Distance variance ±35m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 351259000,
        "imo": 9291224,
        "name": "GAZ INTERCEPTOR",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 0.8000000000000000444089209850062616169452667236328125,
    "avg_distance_m": 37.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 35.2000000000000028421709430404007434844970703125,
    "duration_minutes": 356,
    "overlap_duration_s": 21358,
    "speed_a_avg": 0.939999999999999946709294817992486059665679931640625,
    "speed_a_std": 0.289999999999999980015985556747182272374629974365234375,
    "speed_b_avg": 0.93000000000000004884981308350688777863979339599609375,
    "speed_b_std": 0.2800000000000000266453525910037569701671600341796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.939999999999999946709294817992486059665679931640625,
            "max_sog": 2
        },
        "vessel_b": {
            "avg_sog": 0.93000000000000004884981308350688777863979339599609375,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-09-14T09:29:57+00:00",
        "end": "2026-09-14T15:25:55+00:00"
    },
    "points_count": {
        "vessel_a": 83,
        "vessel_b": 83
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 38m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 356 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b135m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ INTERCEPTOR and GAZ VICTORY) maintained close proximity (min 1m, avg 38m) for 356 minutes. Both vessels were slow-moving (avg speeds 0.9 and 0.9 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 09:17 UTC 75.0%
  • Duration: 1h 42m
  • Radius: 1,963 meters
  • Data Points: 33 AIS positions
  • Centroid: 34.4180, 33.4670
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1962.799999999999954525264911353588104248046875,
    "duration_minutes": 102.2000000000000028421709430404007434844970703125,
    "points": 33,
    "centroid": {
        "lat": 34.41798288181818321618266054429113864898681640625,
        "lon": 33.466977269696968733114772476255893707275390625
    },
    "bbox": {
        "min_lat": 34.4022317000000015241312212310731410980224609375,
        "min_lon": 33.4628517000000016423655324615538120269775390625,
        "max_lat": 34.42639170000000348181856679730117321014404296875,
        "max_lon": 33.47670329999999694337020628154277801513671875
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 09:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 115 AIS positions
  • Period: 2026-09-14T09:51:54+00:00 to 2026-09-14T16:28:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396.80000000000001136868377216160297393798828125,
    "points_in_zone": 115,
    "first_point": {
        "ts": "2026-09-14T09:51:54+00:00",
        "lat": 34.4148832999999996218321030028164386749267578125,
        "lon": 33.4628517000000016423655324615538120269775390625
    },
    "last_point": {
        "ts": "2026-09-14T16:28:44+00:00",
        "lat": 34.478059999999999263309291563928127288818359375,
        "lon": 33.45305170000000316576915793120861053466796875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 08:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 32m
  • Data Points: 110 AIS positions
  • Period: 2026-09-14T08:57:36+00:00 to 2026-09-14T15:29:45+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 392.1000000000000227373675443232059478759765625,
    "points_in_zone": 110,
    "first_point": {
        "ts": "2026-09-14T08:57:36+00:00",
        "lat": 34.39338670000000064419509726576507091522216796875,
        "lon": 33.507845000000003210516297258436679840087890625
    },
    "last_point": {
        "ts": "2026-09-14T15:29:45+00:00",
        "lat": 34.44629499999999922010829322971403598785400390625,
        "lon": 33.54829500000000308546077576465904712677001953125
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 07:17 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 104 AIS positions
  • Period: 2026-09-14T07:50:03+00:00 to 2026-09-14T14:27:14+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397.19999999999998863131622783839702606201171875,
    "points_in_zone": 104,
    "first_point": {
        "ts": "2026-09-14T07:50:03+00:00",
        "lat": 34.36777330000000318932507070712745189666748046875,
        "lon": 33.61405500000000046156856114976108074188232421875
    },
    "last_point": {
        "ts": "2026-09-14T14:27:14+00:00",
        "lat": 34.44272500000000292175172944553196430206298828125,
        "lon": 33.531104999999996607584762386977672576904296875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 06:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 100 AIS positions
  • Period: 2026-09-14T06:50:13+00:00 to 2026-09-14T13:27:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397.69999999999998863131622783839702606201171875,
    "points_in_zone": 100,
    "first_point": {
        "ts": "2026-09-14T06:50:13+00:00",
        "lat": 34.3885599999999982401277520693838596343994140625,
        "lon": 33.63648500000000041154635255225002765655517578125
    },
    "last_point": {
        "ts": "2026-09-14T13:27:55+00:00",
        "lat": 34.4394367000000016787453205324709415435791015625,
        "lon": 33.51183830000000085647116065956652164459228515625
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 05:22 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 89 AIS positions
  • Period: 2026-09-14T05:54:25+00:00 to 2026-09-14T12:27:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393.5,
    "points_in_zone": 89,
    "first_point": {
        "ts": "2026-09-14T05:54:25+00:00",
        "lat": 34.43671499999999952024154481478035449981689453125,
        "lon": 33.6041383000000024594555725343525409698486328125
    },
    "last_point": {
        "ts": "2026-09-14T12:27:55+00:00",
        "lat": 34.43541830000000203426679945550858974456787109375,
        "lon": 33.49518330000000077006916399113833904266357421875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 04:48 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 80 AIS positions
  • Period: 2026-09-14T04:50:34+00:00 to 2026-09-14T11:28:15+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397.69999999999998863131622783839702606201171875,
    "points_in_zone": 80,
    "first_point": {
        "ts": "2026-09-14T04:50:34+00:00",
        "lat": 34.43320829999999688197931391187012195587158203125,
        "lon": 33.60065999999999775127434986643493175506591796875
    },
    "last_point": {
        "ts": "2026-09-14T11:28:15+00:00",
        "lat": 34.4297049999999984493115334771573543548583984375,
        "lon": 33.480878300000000535874278284609317779541015625
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 03:30 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 34m
  • Data Points: 60 AIS positions
  • Period: 2026-09-14T03:44:46+00:00 to 2026-09-14T10:18:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 394.1000000000000227373675443232059478759765625,
    "points_in_zone": 60,
    "first_point": {
        "ts": "2026-09-14T03:44:46+00:00",
        "lat": 34.4308017000000035068296710960566997528076171875,
        "lon": 33.598534999999998262865119613707065582275390625
    },
    "last_point": {
        "ts": "2026-09-14T10:18:54+00:00",
        "lat": 34.420625000000001136868377216160297393798828125,
        "lon": 33.46578000000000230329533223994076251983642578125
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 03:30 UTC 75.0%
  • Duration: 2h 34m
  • Radius: 514 meters
  • Data Points: 10 AIS positions
  • Centroid: 34.4345, 33.6019
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 514,
    "duration_minutes": 154.5,
    "points": 10,
    "centroid": {
        "lat": 34.43447766999999970494172885082662105560302734375,
        "lon": 33.6019388200000008737333700992166996002197265625
    },
    "bbox": {
        "min_lat": 34.4308017000000035068296710960566997528076171875,
        "min_lon": 33.598534999999998262865119613707065582275390625,
        "max_lat": 34.437444999999996753103914670646190643310546875,
        "max_lon": 33.60477829999999954679879010654985904693603515625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 02:43 UTC 75.0%
  • Duration: 3h 21m
  • Radius: 477 meters
  • Data Points: 12 AIS positions
  • Centroid: 34.4340, 33.6017
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 477.30000000000001136868377216160297393798828125,
    "duration_minutes": 201.19999999999998863131622783839702606201171875,
    "points": 12,
    "centroid": {
        "lat": 34.433980558333331600806559436023235321044921875,
        "lon": 33.6016994333333371969274594448506832122802734375
    },
    "bbox": {
        "min_lat": 34.43050170000000065329004428349435329437255859375,
        "min_lon": 33.598534999999998262865119613707065582275390625,
        "max_lat": 34.437444999999996753103914670646190643310546875,
        "max_lon": 33.60477829999999954679879010654985904693603515625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 02:10 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 34m
  • Data Points: 45 AIS positions
  • Period: 2026-09-14T02:43:20+00:00 to 2026-09-14T09:17:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 394.19999999999998863131622783839702606201171875,
    "points_in_zone": 45,
    "first_point": {
        "ts": "2026-09-14T02:43:20+00:00",
        "lat": 34.43050170000000065329004428349435329437255859375,
        "lon": 33.6000216999999992140146787278354167938232421875
    },
    "last_point": {
        "ts": "2026-09-14T09:17:35+00:00",
        "lat": 34.4022317000000015241312212310731410980224609375,
        "lon": 33.47670329999999694337020628154277801513671875
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 01:47 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 24m
  • Data Points: 41 AIS positions
  • Period: 2026-09-14T01:47:57+00:00 to 2026-09-14T08:12:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 384.8999999999999772626324556767940521240234375,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-09-14T01:47:57+00:00",
        "lat": 34.43967669999999969832060742191970348358154296875,
        "lon": 33.5015216999999978497726260684430599212646484375
    },
    "last_point": {
        "ts": "2026-09-14T08:12:54+00:00",
        "lat": 34.3758983000000029051079764030873775482177734375,
        "lon": 33.57828829999999697974999435245990753173828125
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 14, 2026 00:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 29 AIS positions
  • Period: 2026-09-14T00:51:33+00:00 to 2026-09-14T07:28:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396.8999999999999772626324556767940521240234375,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-09-14T00:51:33+00:00",
        "lat": 34.44119669999999899800968705676496028900146484375,
        "lon": 33.49830670000000054642441682517528533935546875
    },
    "last_point": {
        "ts": "2026-09-14T07:28:24+00:00",
        "lat": 34.3605500000000034788172342814505100250244140625,
        "lon": 33.64589169999999995752659742720425128936767578125
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 14, 2026 00:01 UTC 75.0%
  • Duration: 1h 46m
  • Radius: 330 meters
  • Data Points: 10 AIS positions
  • Centroid: 34.4416, 33.4988
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 329.8999999999999772626324556767940521240234375,
    "duration_minutes": 106.900000000000005684341886080801486968994140625,
    "points": 10,
    "centroid": {
        "lat": 34.44159417000000900088707567192614078521728515625,
        "lon": 33.49877851000000106296283775009214878082275390625
    },
    "bbox": {
        "min_lat": 34.43967669999999969832060742191970348358154296875,
        "min_lon": 33.498296699999997372287907637655735015869140625,
        "max_lat": 34.44257830000000097925294539891183376312255859375,
        "max_lon": 33.5015216999999978497726260684430599212646484375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 23:46 UTC 75.0%
  • Duration: 2h 1m
  • Radius: 980 meters
  • Data Points: 15 AIS positions
  • Centroid: 34.4401, 33.4992
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 979.700000000000045474735088646411895751953125,
    "duration_minutes": 121.900000000000005684341886080801486968994140625,
    "points": 15,
    "centroid": {
        "lat": 34.44010632666665827628094120882451534271240234375,
        "lon": 33.49918389333333124113778467290103435516357421875
    },
    "bbox": {
        "min_lat": 34.43206330000000292557160719297826290130615234375,
        "min_lon": 33.49799829999999900564944255165755748748779296875,
        "max_lat": 34.44257830000000097925294539891183376312255859375,
        "max_lon": 33.503586699999999609644873999059200286865234375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 23:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 30m
  • Data Points: 39 AIS positions
  • Period: 2026-09-13T23:33:55+00:00 to 2026-09-14T06:04:33+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 390.6000000000000227373675443232059478759765625,
    "points_in_zone": 39,
    "first_point": {
        "ts": "2026-09-13T23:33:55+00:00",
        "lat": 34.4153000000000020008883439004421234130859375,
        "lon": 33.51532830000000018344508134759962558746337890625
    },
    "last_point": {
        "ts": "2026-09-14T06:04:33+00:00",
        "lat": 34.437444999999996753103914670646190643310546875,
        "lon": 33.60477829999999954679879010654985904693603515625
    }
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 22:09 UTC 70/100
Vessel A: IMO 9458171 (GAZ VICTORY) PANAMA
Vessel B: IMO 9448487 (GAZ FRATERNITY) Panama
  • Minimum Distance: 22 meters
  • Average Distance: 30 meters
  • Duration: 32 minutes
  • Period: 2026-09-13T22:13:56+00:00 to 2026-09-13T22:46:05+00:00
  • Vessel A Avg Speed: 0.6 knots
  • Vessel B Avg Speed: 0.5 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 70/100

Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and GAZ FRATERNITY) maintained close proximity (min 22m, avg 30m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.5 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 22m, avg 30m
Duration5/25Duration 32 minutes
Speed Stability15/20both very slow; stable speeds
Distance Consistency15/15Distance variance ±10m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "min_distance_m": 22,
    "avg_distance_m": 30,
    "distance_consistency_m": 10,
    "duration_minutes": 32.10000000000000142108547152020037174224853515625,
    "overlap_duration_s": 1929,
    "speed_a_avg": 0.61999999999999999555910790149937383830547332763671875,
    "speed_a_std": 0.479999999999999982236431605997495353221893310546875,
    "speed_b_avg": 0.4699999999999999733546474089962430298328399658203125,
    "speed_b_std": 0.2099999999999999922284388276239042170345783233642578125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.61999999999999999555910790149937383830547332763671875,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 0.4699999999999999733546474089962430298328399658203125,
            "max_sog": 1
        }
    },
    "time_window": {
        "start": "2026-09-13T22:13:56+00:00",
        "end": "2026-09-13T22:46:05+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 22m, avg 30m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 32 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both very slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b110m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and GAZ FRATERNITY) maintained close proximity (min 22m, avg 30m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.5 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 22:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 39m
  • Data Points: 50 AIS positions
  • Period: 2026-09-13T22:50:05+00:00 to 2026-09-14T05:29:17+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 399.19999999999998863131622783839702606201171875,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-09-13T22:50:05+00:00",
        "lat": 34.3856382999999965477400110103189945220947265625,
        "lon": 33.55262499999999903366187936626374721527099609375
    },
    "last_point": {
        "ts": "2026-09-14T05:29:17+00:00",
        "lat": 34.43520670000000194477252080105245113372802734375,
        "lon": 33.6025283000000030142473406158387660980224609375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 21:07 UTC 75.0%
  • Duration: 1h 32m
  • Radius: 1,109 meters
  • Data Points: 20 AIS positions
  • Centroid: 34.3926, 33.5487
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1109.299999999999954525264911353588104248046875,
    "duration_minutes": 92.7000000000000028421709430404007434844970703125,
    "points": 20,
    "centroid": {
        "lat": 34.3926044100000041225939639844000339508056640625,
        "lon": 33.548683575000012524469639174640178680419921875
    },
    "bbox": {
        "min_lat": 34.38271329999999892379491939209401607513427734375,
        "min_lon": 33.54224669999999974834281601943075656890869140625,
        "max_lat": 34.3983300000000014051693142391741275787353515625,
        "max_lon": 33.55320999999999997953636921010911464691162109375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 21:03 UTC 85/100
Vessel A: IMO 9458171 (GAZ VICTORY) PANAMA
Vessel B: IMO 9448487 (GAZ FRATERNITY) Panama
  • Minimum Distance: 21 meters
  • Average Distance: 44 meters
  • Duration: 1h 42m
  • Period: 2026-09-13T21:03:16+00:00 to 2026-09-13T22:46:05+00:00
  • Vessel A Avg Speed: 0.6 knots
  • Vessel B Avg Speed: 0.5 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 85/100

High-confidence STS candidate. Two tankers (GAZ VICTORY and GAZ FRATERNITY) maintained close proximity (min 21m, avg 44m) for 103 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.5 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 21m, avg 44m
Duration20/25Duration 103 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency12/15Distance variance ±34m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "min_distance_m": 21.199999999999999289457264239899814128875732421875,
    "avg_distance_m": 44.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 33.7000000000000028421709430404007434844970703125,
    "duration_minutes": 102.7999999999999971578290569595992565155029296875,
    "overlap_duration_s": 6169,
    "speed_a_avg": 0.5500000000000000444089209850062616169452667236328125,
    "speed_a_std": 0.2800000000000000266453525910037569701671600341796875,
    "speed_b_avg": 0.4699999999999999733546474089962430298328399658203125,
    "speed_b_std": 0.13000000000000000444089209850062616169452667236328125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.5500000000000000444089209850062616169452667236328125,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 0.4699999999999999733546474089962430298328399658203125,
            "max_sog": 1
        }
    },
    "time_window": {
        "start": "2026-09-13T21:03:16+00:00",
        "end": "2026-09-13T22:46:05+00:00"
    },
    "points_count": {
        "vessel_a": 22,
        "vessel_b": 22
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 85,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 21m, avg 44m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 103 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b134m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ VICTORY and GAZ FRATERNITY) maintained close proximity (min 21m, avg 44m) for 103 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.5 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 21:03 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 66 AIS positions
  • Period: 2026-09-13T21:10:54+00:00 to 2026-09-14T03:44:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393.8999999999999772626324556767940521240234375,
    "points_in_zone": 66,
    "first_point": {
        "ts": "2026-09-13T21:10:54+00:00",
        "lat": 34.3994167000000032885509426705539226531982421875,
        "lon": 33.54093999999999908823156147263944149017333984375
    },
    "last_point": {
        "ts": "2026-09-14T03:44:46+00:00",
        "lat": 34.4308017000000035068296710960566997528076171875,
        "lon": 33.598534999999998262865119613707065582275390625
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 20:18 UTC 75.0%
  • Duration: 1h 50m
  • Radius: 1,118 meters
  • Data Points: 24 AIS positions
  • Centroid: 34.3945, 33.5469
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1117.700000000000045474735088646411895751953125,
    "duration_minutes": 110.2000000000000028421709430404007434844970703125,
    "points": 24,
    "centroid": {
        "lat": 34.39452742499999970959834172390401363372802734375,
        "lon": 33.54690256250000146565071190707385540008544921875
    },
    "bbox": {
        "min_lat": 34.3856382999999965477400110103189945220947265625,
        "min_lon": 33.53954499999999683268470107577741146087646484375,
        "max_lat": 34.40077500000000298996383207850158214569091796875,
        "max_lon": 33.55320999999999997953636921010911464691162109375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 20:02 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 21 meters
  • Average Distance: 34 meters
  • Duration: 2h 3m
  • Period: 2026-09-13T20:41:46+00:00 to 2026-09-13T22:45:26+00:00
  • Vessel A Avg Speed: 0.5 knots
  • Vessel B Avg Speed: 0.5 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 21m, avg 34m) for 124 minutes. Both vessels were slow-moving (avg speeds 0.5 and 0.5 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 21m, avg 34m
Duration25/25Duration 124 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±13m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 21.199999999999999289457264239899814128875732421875,
    "avg_distance_m": 34.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 13.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 123.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 7420,
    "speed_a_avg": 0.4699999999999999733546474089962430298328399658203125,
    "speed_a_std": 0.13000000000000000444089209850062616169452667236328125,
    "speed_b_avg": 0.54000000000000003552713678800500929355621337890625,
    "speed_b_std": 0.2800000000000000266453525910037569701671600341796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.4699999999999999733546474089962430298328399658203125,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0.54000000000000003552713678800500929355621337890625,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-09-13T20:41:46+00:00",
        "end": "2026-09-13T22:45:26+00:00"
    },
    "points_count": {
        "vessel_a": 23,
        "vessel_b": 23
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 21m, avg 34m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 124 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b113m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 21m, avg 34m) for 124 minutes. Both vessels were slow-moving (avg speeds 0.5 and 0.5 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 20:00 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 38m
  • Data Points: 70 AIS positions
  • Period: 2026-09-13T20:52:05+00:00 to 2026-09-14T03:30:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 398,
    "points_in_zone": 70,
    "first_point": {
        "ts": "2026-09-13T20:52:05+00:00",
        "lat": 34.4018032999999974208549247123301029205322265625,
        "lon": 33.53843669999999832498360774479806423187255859375
    },
    "last_point": {
        "ts": "2026-09-14T03:30:05+00:00",
        "lat": 34.4308233000000001311491359956562519073486328125,
        "lon": 33.59870670000000103527781902812421321868896484375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 19:13 UTC 75.0%
  • Duration: 1h 49m
  • Radius: 1,141 meters
  • Data Points: 32 AIS positions
  • Centroid: 34.4042, 33.5351
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1140.90000000000009094947017729282379150390625,
    "duration_minutes": 109.5,
    "points": 32,
    "centroid": {
        "lat": 34.40420697499998681223587482236325740814208984375,
        "lon": 33.53513749062500437503331340849399566650390625
    },
    "bbox": {
        "min_lat": 34.39696500000000156660462380386888980865478515625,
        "min_lon": 33.5275400000000018962964531965553760528564453125,
        "max_lat": 34.4097416999999978770574671216309070587158203125,
        "max_lon": 33.5439482999999967205440043471753597259521484375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts🛰️✗ Northern Baltic Sea Surveillance Zone
Sep 13, 2026 19:03 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 18 meters
  • Average Distance: 32 meters
  • Duration: 3h 41m
  • Period: 2026-09-13T19:03:56+00:00 to 2026-09-13T22:45:26+00:00
  • Vessel A Avg Speed: 0.5 knots
  • Vessel B Avg Speed: 0.6 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 18m, avg 32m) for 222 minutes. Both vessels were slow-moving (avg speeds 0.5 and 0.6 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 18m, avg 32m
Duration25/25Duration 222 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±14m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-14T01:45:04.040539+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 17.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 32.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 13.5999999999999996447286321199499070644378662109375,
    "duration_minutes": 221.5,
    "overlap_duration_s": 13290,
    "speed_a_avg": 0.520000000000000017763568394002504646778106689453125,
    "speed_a_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_b_avg": 0.57999999999999996003197111349436454474925994873046875,
    "speed_b_std": 0.200000000000000011102230246251565404236316680908203125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.520000000000000017763568394002504646778106689453125,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0.57999999999999996003197111349436454474925994873046875,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-09-13T19:03:56+00:00",
        "end": "2026-09-13T22:45:26+00:00"
    },
    "points_count": {
        "vessel_a": 47,
        "vessel_b": 47
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 18m, avg 32m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 222 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b114m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 18m, avg 32m) for 222 minutes. Both vessels were slow-moving (avg speeds 0.5 and 0.6 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.402173099999998839848558418452739715576171875,
            "lon": 33.5372248999999982288500177673995494842529296875
        },
        "time_window": {
            "start_ts": "2026-09-13T19:03:56+00:00",
            "end_ts": "2026-09-13T22:45:26+00:00"
        },
        "searched_at": "2026-09-14T01:45:04.040539+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 19:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 85 AIS positions
  • Period: 2026-09-13T19:51:05+00:00 to 2026-09-14T02:27:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396.80000000000001136868377216160297393798828125,
    "points_in_zone": 85,
    "first_point": {
        "ts": "2026-09-13T19:51:05+00:00",
        "lat": 34.40891500000000036152414395473897457122802734375,
        "lon": 33.52886000000000166210156749002635478973388671875
    },
    "last_point": {
        "ts": "2026-09-14T02:27:55+00:00",
        "lat": 34.4329383000000035508492146618664264678955078125,
        "lon": 33.57245830000000097470547189004719257354736328125
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 18:25 UTC 75.0%
  • Duration: 1h 47m
  • Radius: 1,154 meters
  • Data Points: 37 AIS positions
  • Centroid: 34.4097, 33.5276
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1153.799999999999954525264911353588104248046875,
    "duration_minutes": 107.7000000000000028421709430404007434844970703125,
    "points": 37,
    "centroid": {
        "lat": 34.40971468108107700345499324612319469451904296875,
        "lon": 33.52763238108108367896420531906187534332275390625
    },
    "bbox": {
        "min_lat": 34.4029383000000024139808374457061290740966796875,
        "min_lon": 33.5185833000000030779119697399437427520751953125,
        "max_lat": 34.415833300000002736851456575095653533935546875,
        "max_lon": 33.537153299999999944702722132205963134765625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts🛰️✗ Northern Baltic Sea Surveillance Zone
Sep 13, 2026 18:02 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 16 meters
  • Average Distance: 32 meters
  • Duration: 4h 43m
  • Period: 2026-09-13T18:02:27+00:00 to 2026-09-13T22:45:26+00:00
  • Vessel A Avg Speed: 0.6 knots
  • Vessel B Avg Speed: 0.6 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 16m, avg 32m) for 283 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.6 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 16m, avg 32m
Duration25/25Duration 283 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±14m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-14T00:45:07.008998+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 15.5,
    "avg_distance_m": 32.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 14.0999999999999996447286321199499070644378662109375,
    "duration_minutes": 283,
    "overlap_duration_s": 16979,
    "speed_a_avg": 0.59999999999999997779553950749686919152736663818359375,
    "speed_a_std": 0.2099999999999999922284388276239042170345783233642578125,
    "speed_b_avg": 0.64000000000000001332267629550187848508358001708984375,
    "speed_b_std": 0.190000000000000002220446049250313080847263336181640625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.59999999999999997779553950749686919152736663818359375,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.64000000000000001332267629550187848508358001708984375,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-09-13T18:02:27+00:00",
        "end": "2026-09-13T22:45:26+00:00"
    },
    "points_count": {
        "vessel_a": 68,
        "vessel_b": 68
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 16m, avg 32m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 283 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b114m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 16m, avg 32m) for 283 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.6 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.40725690000000014379111235029995441436767578125,
            "lon": 33.5297369999999972378645907156169414520263671875
        },
        "time_window": {
            "start_ts": "2026-09-13T18:02:27+00:00",
            "end_ts": "2026-09-13T22:45:26+00:00"
        },
        "searched_at": "2026-09-14T00:45:07.008998+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 18:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 38m
  • Data Points: 110 AIS positions
  • Period: 2026-09-13T18:20:44+00:00 to 2026-09-14T00:58:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 398.19999999999998863131622783839702606201171875,
    "points_in_zone": 110,
    "first_point": {
        "ts": "2026-09-13T18:20:44+00:00",
        "lat": 34.41992330000000066547727328725159168243408203125,
        "lon": 33.51082670000000263144102063961327075958251953125
    },
    "last_point": {
        "ts": "2026-09-14T00:58:55+00:00",
        "lat": 34.4411199999999979581843945197761058807373046875,
        "lon": 33.49831999999999965211827657185494899749755859375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 17:08 UTC 75.0%
  • Duration: 1h 42m
  • Radius: 1,273 meters
  • Data Points: 36 AIS positions
  • Centroid: 34.4166, 33.5166
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1272.90000000000009094947017729282379150390625,
    "duration_minutes": 102.2000000000000028421709430404007434844970703125,
    "points": 36,
    "centroid": {
        "lat": 34.416600463888897820652346126735210418701171875,
        "lon": 33.51657477222223491253316751681268215179443359375
    },
    "bbox": {
        "min_lat": 34.41036669999999730862327851355075836181640625,
        "min_lon": 33.50491670000000254958649748004972934722900390625,
        "max_lat": 34.42279169999999766105247545056045055389404296875,
        "max_lon": 33.52666330000000272093529929406940937042236328125
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts🛰️✗ Northern Baltic Sea Surveillance Zone
Sep 13, 2026 17:03 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 16 meters
  • Average Distance: 35 meters
  • Duration: 5h 42m
  • Period: 2026-09-13T17:03:03+00:00 to 2026-09-13T22:45:26+00:00
  • Vessel A Avg Speed: 0.7 knots
  • Vessel B Avg Speed: 0.7 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 16m, avg 35m) for 342 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 16m, avg 35m
Duration25/25Duration 342 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±20m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-13T23:45:01.245558+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 15.5,
    "avg_distance_m": 34.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 19.699999999999999289457264239899814128875732421875,
    "duration_minutes": 342.3999999999999772626324556767940521240234375,
    "overlap_duration_s": 20543,
    "speed_a_avg": 0.66000000000000003108624468950438313186168670654296875,
    "speed_a_std": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_b_avg": 0.689999999999999946709294817992486059665679931640625,
    "speed_b_std": 0.2099999999999999922284388276239042170345783233642578125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.66000000000000003108624468950438313186168670654296875,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.689999999999999946709294817992486059665679931640625,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-09-13T17:03:03+00:00",
        "end": "2026-09-13T22:45:26+00:00"
    },
    "points_count": {
        "vessel_a": 85,
        "vessel_b": 85
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 16m, avg 35m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 342 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b120m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 16m, avg 35m) for 342 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.41089430000000248810465564019978046417236328125,
            "lon": 33.52304550000000205045580514706671237945556640625
        },
        "time_window": {
            "start_ts": "2026-09-13T17:03:03+00:00",
            "end_ts": "2026-09-13T22:45:26+00:00"
        },
        "searched_at": "2026-09-13T23:45:01.245558+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 17:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 34m
  • Data Points: 115 AIS positions
  • Period: 2026-09-13T17:50:45+00:00 to 2026-09-14T00:24:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 394,
    "points_in_zone": 115,
    "first_point": {
        "ts": "2026-09-13T17:50:45+00:00",
        "lat": 34.4232999999999975671016727574169635772705078125,
        "lon": 33.503749999999996589394868351519107818603515625
    },
    "last_point": {
        "ts": "2026-09-14T00:24:46+00:00",
        "lat": 34.44184169999999767242115922272205352783203125,
        "lon": 33.49839829999999807341737323440611362457275390625
    }
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 16:04 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 16 meters
  • Average Distance: 34 meters
  • Duration: 6h 22m
  • Period: 2026-09-13T16:22:51+00:00 to 2026-09-13T22:45:26+00:00
  • Vessel A Avg Speed: 0.7 knots
  • Vessel B Avg Speed: 0.7 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 16m, avg 34m) for 383 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 16m, avg 34m
Duration25/25Duration 383 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±19m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 15.5,
    "avg_distance_m": 34.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 18.800000000000000710542735760100185871124267578125,
    "duration_minutes": 382.6000000000000227373675443232059478759765625,
    "overlap_duration_s": 22955,
    "speed_a_avg": 0.689999999999999946709294817992486059665679931640625,
    "speed_a_std": 0.2300000000000000099920072216264088638126850128173828125,
    "speed_b_avg": 0.729999999999999982236431605997495353221893310546875,
    "speed_b_std": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.689999999999999946709294817992486059665679931640625,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.729999999999999982236431605997495353221893310546875,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-09-13T16:22:51+00:00",
        "end": "2026-09-13T22:45:26+00:00"
    },
    "points_count": {
        "vessel_a": 100,
        "vessel_b": 100
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 16m, avg 34m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 383 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b119m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 16m, avg 34m) for 383 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 16:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 38m
  • Data Points: 117 AIS positions
  • Period: 2026-09-13T16:50:25+00:00 to 2026-09-13T23:29:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 398.69999999999998863131622783839702606201171875,
    "points_in_zone": 117,
    "first_point": {
        "ts": "2026-09-13T16:50:25+00:00",
        "lat": 34.4278800000000018144419300369918346405029296875,
        "lon": 33.48491829999999680467226426117122173309326171875
    },
    "last_point": {
        "ts": "2026-09-13T23:29:05+00:00",
        "lat": 34.4087267000000025518602342344820499420166015625,
        "lon": 33.51981669999999979836502461694180965423583984375
    }
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 15:32 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 12 meters
  • Average Distance: 35 meters
  • Duration: 6h 25m
  • Period: 2026-09-13T15:35:51+00:00 to 2026-09-13T22:01:07+00:00
  • Vessel A Avg Speed: 0.8 knots
  • Vessel B Avg Speed: 0.8 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 12m, avg 35m) for 385 minutes. Both vessels were slow-moving (avg speeds 0.8 and 0.8 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 12m, avg 35m
Duration25/25Duration 385 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±19m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.5,
    "avg_distance_m": 34.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 19.300000000000000710542735760100185871124267578125,
    "duration_minutes": 385.30000000000001136868377216160297393798828125,
    "overlap_duration_s": 23116,
    "speed_a_avg": 0.75,
    "speed_a_std": 0.2099999999999999922284388276239042170345783233642578125,
    "speed_b_avg": 0.7800000000000000266453525910037569701671600341796875,
    "speed_b_std": 0.179999999999999993338661852249060757458209991455078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.75,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.7800000000000000266453525910037569701671600341796875,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        }
    },
    "time_window": {
        "start": "2026-09-13T15:35:51+00:00",
        "end": "2026-09-13T22:01:07+00:00"
    },
    "points_count": {
        "vessel_a": 101,
        "vessel_b": 101
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 12m, avg 35m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 385 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b119m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 12m, avg 35m) for 385 minutes. Both vessels were slow-moving (avg speeds 0.8 and 0.8 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 15:32 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 119 AIS positions
  • Period: 2026-09-13T15:51:15+00:00 to 2026-09-13T22:24:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 393.30000000000001136868377216160297393798828125,
    "points_in_zone": 119,
    "first_point": {
        "ts": "2026-09-13T15:51:15+00:00",
        "lat": 34.43045330000000348036337527446448802947998046875,
        "lon": 33.465703300000001263470039702951908111572265625
    },
    "last_point": {
        "ts": "2026-09-13T22:24:35+00:00",
        "lat": 34.39185830000000265727067016996443271636962890625,
        "lon": 33.550763299999999844658304937183856964111328125
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Unknown Maritime Surveillance Zone
Sep 13, 2026 14:57 UTC 75/100
Vessel A: IMO 9458171 (GAZ VICTORY) PANAMA
Vessel B: IMO 9670949 (BAGHEERA) MARSHALL ISLANDS
  • Minimum Distance: 1 meters
  • Average Distance: 2 meters
  • Duration: 30 minutes
  • Period: 2026-09-13T14:57:25+00:00 to 2026-09-13T15:27:55+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Unknown Maritime Surveillance Zone

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and BAGHEERA) maintained close proximity (min 1m, avg 2m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 1m, avg 2m
Duration5/25Duration 30 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±0m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Unknown Maritime Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-13T16:00:01.761795+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 538010350,
        "imo": 9670949,
        "name": "BAGHEERA",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 1.3000000000000000444089209850062616169452667236328125,
    "avg_distance_m": 1.6999999999999999555910790149937383830547332763671875,
    "distance_consistency_m": 0.299999999999999988897769753748434595763683319091796875,
    "duration_minutes": 30.5,
    "overlap_duration_s": 1830,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-13T14:57:25+00:00",
        "end": "2026-09-13T15:27:55+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 2m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 30 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b10m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and BAGHEERA) maintained close proximity (min 1m, avg 2m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717095400000001603757482371293008327484130859375,
            "lon": 35.99936430000000342488419846631586551666259765625
        },
        "time_window": {
            "start_ts": "2026-09-13T14:57:25+00:00",
            "end_ts": "2026-09-13T15:27:55+00:00"
        },
        "searched_at": "2026-09-13T16:00:01.761795+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts Unknown Maritime Surveillance Zone
Sep 13, 2026 14:57 UTC 75/100
Vessel A: IMO 9376816 (YANBU) Liberia
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 2 meters
  • Average Distance: 8 meters
  • Duration: 33 minutes
  • Period: 2026-09-13T14:55:51+00:00 to 2026-09-13T15:28:50+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Unknown Maritime Surveillance Zone

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (YANBU and GAZ VICTORY) maintained close proximity (min 2m, avg 8m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 2m, avg 8m
Duration5/25Duration 33 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±10m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Unknown Maritime Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636023504,
        "imo": 9376816,
        "name": "YANBU",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 2.100000000000000088817841970012523233890533447265625,
    "avg_distance_m": 7.70000000000000017763568394002504646778106689453125,
    "distance_consistency_m": 10,
    "duration_minutes": 33,
    "overlap_duration_s": 1979,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0.190000000000000002220446049250313080847263336181640625,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.59999999999999997779553950749686919152736663818359375
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-13T14:55:51+00:00",
        "end": "2026-09-13T15:28:50+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 2m, avg 8m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 33 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b110m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (YANBU and GAZ VICTORY) maintained close proximity (min 2m, avg 8m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Unknown Maritime Surveillance Zone
Sep 13, 2026 14:57 UTC 72/100
Vessel A: IMO 9458171 (GAZ VICTORY) PANAMA
Vessel B: IMO 9976874 (NAVIG8 EXPRESS) Singapore
  • Minimum Distance: 0 meters
  • Average Distance: 6 meters
  • Duration: 30 minutes
  • Period: 2026-09-13T14:57:25+00:00 to 2026-09-13T15:27:55+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.2 knots
  • Zone: Unknown Maritime Surveillance Zone

Confidence Analysis

Score: 72/100

Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and NAVIG8 EXPRESS) maintained close proximity (min 0m, avg 6m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 0m, avg 6m
Duration5/25Duration 30 minutes
Speed Stability17/20both nearly stationary; stable speeds
Distance Consistency15/15Distance variance ±6m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Unknown Maritime Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-13T16:30:01.305782+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 563261400,
        "imo": 9976874,
        "name": "NAVIG8 EXPRESS",
        "flag": "Singapore"
    },
    "min_distance_m": 0.40000000000000002220446049250313080847263336181640625,
    "avg_distance_m": 6.20000000000000017763568394002504646778106689453125,
    "distance_consistency_m": 6.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 30.5,
    "overlap_duration_s": 1830,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.2399999999999999911182158029987476766109466552734375,
    "speed_b_std": 0.38000000000000000444089209850062616169452667236328125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.2399999999999999911182158029987476766109466552734375,
            "max_sog": 0.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-09-13T14:57:25+00:00",
        "end": "2026-09-13T15:27:55+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 72,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 0m, avg 6m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 30 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and NAVIG8 EXPRESS) maintained close proximity (min 0m, avg 6m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717081900000000160844138008542358875274658203125,
            "lon": 35.9993733000000020183506421744823455810546875
        },
        "time_window": {
            "start_ts": "2026-09-13T14:57:25+00:00",
            "end_ts": "2026-09-13T15:27:55+00:00"
        },
        "searched_at": "2026-09-13T16:30:01.305782+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts Unknown Maritime Surveillance Zone
Sep 13, 2026 14:56 UTC 65/100
Vessel A: IMO 9458171 (GAZ VICTORY) PANAMA
Vessel B: IMO 9282297 (KASTOS I) Panama
  • Minimum Distance: 1 meters
  • Average Distance: 148 meters
  • Duration: 32 minutes
  • Period: 2026-09-13T14:55:13+00:00 to 2026-09-13T15:27:55+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Unknown Maritime Surveillance Zone

Confidence Analysis

Score: 65/100

Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and KASTOS I) maintained close proximity (min 1m, avg 148m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 1m, avg 148m
Duration5/25Duration 33 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency5/15Distance variance ±130m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Unknown Maritime Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 352004029,
        "imo": 9282297,
        "name": "KASTOS I",
        "flag": "Panama"
    },
    "min_distance_m": 1.1999999999999999555910790149937383830547332763671875,
    "avg_distance_m": 148.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 129.5,
    "duration_minutes": 32.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 1962,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.14000000000000001332267629550187848508358001708984375,
    "speed_b_std": 0.190000000000000002220446049250313080847263336181640625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.14000000000000001332267629550187848508358001708984375,
            "max_sog": 0.59999999999999997779553950749686919152736663818359375
        }
    },
    "time_window": {
        "start": "2026-09-13T14:55:13+00:00",
        "end": "2026-09-13T15:27:55+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 1m, avg 148m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 33 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 5,
                "max": 15,
                "detail": "Distance variance \u00b1130m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and KASTOS I) maintained close proximity (min 1m, avg 148m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Sts Unknown Maritime Surveillance Zone
Sep 13, 2026 14:55 UTC 75/100
Vessel A: IMO 9611541 (THALIA) Liberia
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 0 meters
  • Average Distance: 2 meters
  • Duration: 37 minutes
  • Period: 2026-09-13T14:51:03+00:00 to 2026-09-13T15:28:53+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Unknown Maritime Surveillance Zone

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (THALIA and GAZ VICTORY) maintained close proximity (min 0m, avg 2m) for 38 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 0m, avg 2m
Duration5/25Duration 38 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±1m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Unknown Maritime Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636015372,
        "imo": 9611541,
        "name": "THALIA",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 0.40000000000000002220446049250313080847263336181640625,
    "avg_distance_m": 2,
    "distance_consistency_m": 1.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 37.7999999999999971578290569595992565155029296875,
    "overlap_duration_s": 2270,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.0200000000000000004163336342344337026588618755340576171875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-09-13T14:51:03+00:00",
        "end": "2026-09-13T15:28:53+00:00"
    },
    "points_count": {
        "vessel_a": 13,
        "vessel_b": 13
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 0m, avg 2m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 38 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b11m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (THALIA and GAZ VICTORY) maintained close proximity (min 0m, avg 2m) for 38 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Unknown Maritime Surveillance Zone
Sep 13, 2026 14:55 UTC 75/100
Vessel A: IMO 9458171 (GAZ VICTORY) PANAMA
Vessel B: IMO 9517288 (ALFA SEA) Panama
  • Minimum Distance: 2 meters
  • Average Distance: 3 meters
  • Duration: 32 minutes
  • Period: 2026-09-13T14:55:13+00:00 to 2026-09-13T15:27:55+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Unknown Maritime Surveillance Zone

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and ALFA SEA) maintained close proximity (min 2m, avg 3m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 2m, avg 3m
Duration5/25Duration 33 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±2m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Unknown Maritime Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-09-13T16:15:11.423463+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 353657000,
        "imo": 9517288,
        "name": "ALFA SEA",
        "flag": "Panama"
    },
    "min_distance_m": 1.600000000000000088817841970012523233890533447265625,
    "avg_distance_m": 3.20000000000000017763568394002504646778106689453125,
    "distance_consistency_m": 1.5,
    "duration_minutes": 32.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 1962,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-13T14:55:13+00:00",
        "end": "2026-09-13T15:27:55+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_134",
    "zone_name": "Unknown Maritime Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 2m, avg 3m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 33 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Unknown Maritime Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (GAZ VICTORY and ALFA SEA) maintained close proximity (min 2m, avg 3m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Unknown Maritime Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.71709630000000146310412674210965633392333984375,
            "lon": 35.99936799999999692545316065661609172821044921875
        },
        "time_window": {
            "start_ts": "2026-09-13T14:55:13+00:00",
            "end_ts": "2026-09-13T15:27:55+00:00"
        },
        "searched_at": "2026-09-13T16:15:11.423463+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 14:01 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 12 meters
  • Average Distance: 35 meters
  • Duration: 6h 29m
  • Period: 2026-09-13T14:44:01+00:00 to 2026-09-13T21:13:06+00:00
  • Vessel A Avg Speed: 0.8 knots
  • Vessel B Avg Speed: 0.8 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 12m, avg 34m) for 389 minutes. Both vessels were slow-moving (avg speeds 0.8 and 0.8 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 12m, avg 34m
Duration25/25Duration 389 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±19m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.5,
    "avg_distance_m": 34.5,
    "distance_consistency_m": 19.300000000000000710542735760100185871124267578125,
    "duration_minutes": 389.1000000000000227373675443232059478759765625,
    "overlap_duration_s": 23345,
    "speed_a_avg": 0.7600000000000000088817841970012523233890533447265625,
    "speed_a_std": 0.200000000000000011102230246251565404236316680908203125,
    "speed_b_avg": 0.79000000000000003552713678800500929355621337890625,
    "speed_b_std": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.7600000000000000088817841970012523233890533447265625,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.79000000000000003552713678800500929355621337890625,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        }
    },
    "time_window": {
        "start": "2026-09-13T14:44:01+00:00",
        "end": "2026-09-13T21:13:06+00:00"
    },
    "points_count": {
        "vessel_a": 98,
        "vessel_b": 98
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 12m, avg 34m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 389 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b119m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 12m, avg 34m) for 389 minutes. Both vessels were slow-moving (avg speeds 0.8 and 0.8 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 13:02 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 6 meters
  • Average Distance: 35 meters
  • Duration: 6h 29m
  • Period: 2026-09-13T13:53:22+00:00 to 2026-09-13T20:23:05+00:00
  • Vessel A Avg Speed: 0.7 knots
  • Vessel B Avg Speed: 0.8 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 6m, avg 35m) for 390 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.8 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 6m, avg 35m
Duration25/25Duration 390 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±20m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 5.79999999999999982236431605997495353221893310546875,
    "avg_distance_m": 34.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 19.89999999999999857891452847979962825775146484375,
    "duration_minutes": 389.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 23383,
    "speed_a_avg": 0.729999999999999982236431605997495353221893310546875,
    "speed_a_std": 0.2099999999999999922284388276239042170345783233642578125,
    "speed_b_avg": 0.770000000000000017763568394002504646778106689453125,
    "speed_b_std": 0.179999999999999993338661852249060757458209991455078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.729999999999999982236431605997495353221893310546875,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.770000000000000017763568394002504646778106689453125,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        }
    },
    "time_window": {
        "start": "2026-09-13T13:53:22+00:00",
        "end": "2026-09-13T20:23:05+00:00"
    },
    "points_count": {
        "vessel_a": 107,
        "vessel_b": 107
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 35m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 390 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b120m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 6m, avg 35m) for 390 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.8 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 13:00 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 1h 46m
  • Data Points: 32 AIS positions
  • Period: 2026-09-13T13:00:36+00:00 to 2026-09-13T14:46:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 106.2999999999999971578290569595992565155029296875,
    "points_in_zone": 32,
    "first_point": {
        "ts": "2026-09-13T13:00:36+00:00",
        "lat": 34.42875670000000098980308393947780132293701171875,
        "lon": 33.4313532999999978301275405101478099822998046875
    },
    "last_point": {
        "ts": "2026-09-13T14:46:55+00:00",
        "lat": 34.43076169999999791571099194698035717010498046875,
        "lon": 33.44868000000000307636582874692976474761962890625
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 13:00 UTC 75.0%
  • Duration: 1h 46m
  • Radius: 902 meters
  • Data Points: 32 AIS positions
  • Centroid: 34.4295, 33.4390
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 901.8999999999999772626324556767940521240234375,
    "duration_minutes": 106.2999999999999971578290569595992565155029296875,
    "points": 32,
    "centroid": {
        "lat": 34.42953552187498900138962198980152606964111328125,
        "lon": 33.43898005937500528261807630769908428192138671875
    },
    "bbox": {
        "min_lat": 34.42875670000000098980308393947780132293701171875,
        "min_lon": 33.4313532999999978301275405101478099822998046875,
        "max_lat": 34.43076169999999791571099194698035717010498046875,
        "max_lon": 33.44868000000000307636582874692976474761962890625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 12:04 UTC 93/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 6 meters
  • Average Distance: 34 meters
  • Duration: 6h 34m
  • Period: 2026-09-13T12:42:12+00:00 to 2026-09-13T19:16:56+00:00
  • Vessel A Avg Speed: 0.7 knots
  • Vessel B Avg Speed: 0.7 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 93/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 6m, avg 34m) for 395 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 6m, avg 34m
Duration25/25Duration 395 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±20m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 5.79999999999999982236431605997495353221893310546875,
    "avg_distance_m": 34,
    "distance_consistency_m": 19.5,
    "duration_minutes": 394.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 23684,
    "speed_a_avg": 0.68000000000000004884981308350688777863979339599609375,
    "speed_a_std": 0.270000000000000017763568394002504646778106689453125,
    "speed_b_avg": 0.7199999999999999733546474089962430298328399658203125,
    "speed_b_std": 0.2300000000000000099920072216264088638126850128173828125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.68000000000000004884981308350688777863979339599609375,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.7199999999999999733546474089962430298328399658203125,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        }
    },
    "time_window": {
        "start": "2026-09-13T12:42:12+00:00",
        "end": "2026-09-13T19:16:56+00:00"
    },
    "points_count": {
        "vessel_a": 111,
        "vessel_b": 111
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 93,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 34m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 395 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b120m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 6m, avg 34m) for 395 minutes. Both vessels were slow-moving (avg speeds 0.7 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 12:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 2h 44m
  • Data Points: 51 AIS positions
  • Period: 2026-09-13T12:02:14+00:00 to 2026-09-13T14:46:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 164.69999999999998863131622783839702606201171875,
    "points_in_zone": 51,
    "first_point": {
        "ts": "2026-09-13T12:02:14+00:00",
        "lat": 34.42806829999999962410583975724875926971435546875,
        "lon": 33.4263116999999994050085661001503467559814453125
    },
    "last_point": {
        "ts": "2026-09-13T14:46:55+00:00",
        "lat": 34.43076169999999791571099194698035717010498046875,
        "lon": 33.44868000000000307636582874692976474761962890625
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 12:02 UTC 75.0%
  • Duration: 2h 25m
  • Radius: 1,164 meters
  • Data Points: 45 AIS positions
  • Centroid: 34.4293, 33.4361
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1164.200000000000045474735088646411895751953125,
    "duration_minutes": 145.19999999999998863131622783839702606201171875,
    "points": 45,
    "centroid": {
        "lat": 34.4292552200000017137426766566932201385498046875,
        "lon": 33.4361448222222179538221098482608795166015625
    },
    "bbox": {
        "min_lat": 34.42830330000000316204022965393960475921630859375,
        "min_lon": 33.42754330000000351219568983651697635650634765625,
        "max_lat": 34.43076169999999791571099194698035717010498046875,
        "max_lon": 33.44868000000000307636582874692976474761962890625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Sts Northern Baltic Sea Surveillance Zone
Sep 13, 2026 11:06 UTC 90/100
Vessel A: IMO 9448487 (GAZ FRATERNITY) Panama
Vessel B: IMO 9458171 (GAZ VICTORY) PANAMA
  • Minimum Distance: 6 meters
  • Average Distance: 33 meters
  • Duration: 6h 34m
  • Period: 2026-09-13T11:52:41+00:00 to 2026-09-13T18:27:35+00:00
  • Vessel A Avg Speed: 0.6 knots
  • Vessel B Avg Speed: 0.7 knots
  • Zone: Northern Baltic Sea Surveillance Zone

Confidence Analysis

Score: 90/100

High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 6m, avg 33m) for 395 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 6m, avg 33m
Duration25/25Duration 395 minutes
Speed Stability15/20both very slow; stable speeds
Distance Consistency15/15Distance variance ±20m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "vessel_b": {
        "mmsi": 355213000,
        "imo": 9458171,
        "name": "GAZ VICTORY",
        "flag": "PANAMA"
    },
    "min_distance_m": 5.79999999999999982236431605997495353221893310546875,
    "avg_distance_m": 33.39999999999999857891452847979962825775146484375,
    "distance_consistency_m": 20.10000000000000142108547152020037174224853515625,
    "duration_minutes": 394.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 23694,
    "speed_a_avg": 0.59999999999999997779553950749686919152736663818359375,
    "speed_a_std": 0.309999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 0.65000000000000002220446049250313080847263336181640625,
    "speed_b_std": 0.299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.59999999999999997779553950749686919152736663818359375,
            "max_sog": 1
        },
        "vessel_b": {
            "avg_sog": 0.65000000000000002220446049250313080847263336181640625,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        }
    },
    "time_window": {
        "start": "2026-09-13T11:52:41+00:00",
        "end": "2026-09-13T18:27:35+00:00"
    },
    "points_count": {
        "vessel_a": 106,
        "vessel_b": 106
    },
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "score": {
        "value": 90,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 33m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 395 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both very slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b120m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Northern Baltic Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ FRATERNITY and GAZ VICTORY) maintained close proximity (min 6m, avg 33m) for 395 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.7 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Northern Baltic Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 11:02 UTC 75.0%
  • Duration: 2h 43m
  • Radius: 1,131 meters
  • Data Points: 51 AIS positions
  • Centroid: 34.4290, 33.4338
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1130.5,
    "duration_minutes": 163.5,
    "points": 51,
    "centroid": {
        "lat": 34.42896427843138695834568352438509464263916015625,
        "lon": 33.433751054901932775464956648647785186767578125
    },
    "bbox": {
        "min_lat": 34.427968300000003409877535887062549591064453125,
        "min_lon": 33.42590500000000020008883439004421234130859375,
        "max_lat": 34.4303766999999965037204674445092678070068359375,
        "max_lon": 33.4459317000000027064743335358798503875732421875
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 11:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 3h 44m
  • Data Points: 69 AIS positions
  • Period: 2026-09-13T11:02:15+00:00 to 2026-09-13T14:46:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 224.69999999999998863131622783839702606201171875,
    "points_in_zone": 69,
    "first_point": {
        "ts": "2026-09-13T11:02:15+00:00",
        "lat": 34.4349433000000004767571226693689823150634765625,
        "lon": 33.4227750000000014551915228366851806640625
    },
    "last_point": {
        "ts": "2026-09-13T14:46:55+00:00",
        "lat": 34.43076169999999791571099194698035717010498046875,
        "lon": 33.44868000000000307636582874692976474761962890625
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 10:50 UTC 75.0%
  • Duration: 3h 21m
  • Radius: 2,428 meters
  • Data Points: 65 AIS positions
  • Centroid: 34.4296, 33.4291
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 2427.59999999999990905052982270717620849609375,
    "duration_minutes": 201.099999999999994315658113919198513031005859375,
    "points": 65,
    "centroid": {
        "lat": 34.42961140461537894452703767456114292144775390625,
        "lon": 33.429128696923072538993437774479389190673828125
    },
    "bbox": {
        "min_lat": 34.427965000000000372892827726900577545166015625,
        "min_lon": 33.404449999999997089616954326629638671875,
        "max_lat": 34.4374083000000013043973012827336788177490234375,
        "max_lon": 33.44158999999999792862581671215593814849853515625
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 10:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 4h 44m
  • Data Points: 86 AIS positions
  • Period: 2026-09-13T10:02:55+00:00 to 2026-09-13T14:46:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 284,
    "points_in_zone": 86,
    "first_point": {
        "ts": "2026-09-13T10:02:55+00:00",
        "lat": 34.4381867000000028156136977486312389373779296875,
        "lon": 33.35017669999999867513906792737543582916259765625
    },
    "last_point": {
        "ts": "2026-09-13T14:46:55+00:00",
        "lat": 34.43076169999999791571099194698035717010498046875,
        "lon": 33.44868000000000307636582874692976474761962890625
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 09:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 5h 44m
  • Data Points: 101 AIS positions
  • Period: 2026-09-13T09:02:15+00:00 to 2026-09-13T14:46:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 344.69999999999998863131622783839702606201171875,
    "points_in_zone": 101,
    "first_point": {
        "ts": "2026-09-13T09:02:15+00:00",
        "lat": 34.4181267000000019606886780820786952972412109375,
        "lon": 33.3818916999999970585122355259954929351806640625
    },
    "last_point": {
        "ts": "2026-09-13T14:46:55+00:00",
        "lat": 34.43076169999999791571099194698035717010498046875,
        "lon": 33.44868000000000307636582874692976474761962890625
    }
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 08:07 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 117 AIS positions
  • Period: 2026-09-13T08:10:55+00:00 to 2026-09-13T14:46:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 396,
    "points_in_zone": 117,
    "first_point": {
        "ts": "2026-09-13T08:10:55+00:00",
        "lat": 34.41787169999999917990862741135060787200927734375,
        "lon": 33.38953169999999914807631284929811954498291015625
    },
    "last_point": {
        "ts": "2026-09-13T14:46:55+00:00",
        "lat": 34.43076169999999791571099194698035717010498046875,
        "lon": 33.44868000000000307636582874692976474761962890625
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 08:07 UTC 75.0%
  • Duration: 1h 36m
  • Radius: 550 meters
  • Data Points: 28 AIS positions
  • Centroid: 34.4182, 33.3841
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 550.200000000000045474735088646411895751953125,
    "duration_minutes": 96.400000000000005684341886080801486968994140625,
    "points": 28,
    "centroid": {
        "lat": 34.4182387535714298110178788192570209503173828125,
        "lon": 33.3840894035714228493816335685551166534423828125
    },
    "bbox": {
        "min_lat": 34.41739170000000314075805363245308399200439453125,
        "min_lon": 33.3806000000000011596057447604835033416748046875,
        "max_lat": 34.4209383000000030961018637754023075103759765625,
        "max_lon": 33.39006830000000292102413368411362171173095703125
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 07:02 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 115 AIS positions
  • Period: 2026-09-13T07:51:26+00:00 to 2026-09-13T14:26:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 395.30000000000001136868377216160297393798828125,
    "points_in_zone": 115,
    "first_point": {
        "ts": "2026-09-13T07:51:26+00:00",
        "lat": 34.4189982999999983803718350827693939208984375,
        "lon": 33.392470000000002983142621815204620361328125
    },
    "last_point": {
        "ts": "2026-09-13T14:26:44+00:00",
        "lat": 34.430166700000000901127350516617298126220703125,
        "lon": 33.4443849999999969213604344986379146575927734375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 07:02 UTC 75.0%
  • Duration: 2h 41m
  • Radius: 855 meters
  • Data Points: 46 AIS positions
  • Centroid: 34.4192, 33.3882
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 854.6000000000000227373675443232059478759765625,
    "duration_minutes": 161.099999999999994315658113919198513031005859375,
    "points": 46,
    "centroid": {
        "lat": 34.41920547173913291771896183490753173828125,
        "lon": 33.38820981956521194433662458322942256927490234375
    },
    "bbox": {
        "min_lat": 34.41739170000000314075805363245308399200439453125,
        "min_lon": 33.3806000000000011596057447604835033416748046875,
        "max_lat": 34.42251830000000012432792573235929012298583984375,
        "max_lon": 33.39660330000000243444446823559701442718505859375
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 06:01 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 34m
  • Data Points: 116 AIS positions
  • Period: 2026-09-13T06:54:14+00:00 to 2026-09-13T13:28:14+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 394,
    "points_in_zone": 116,
    "first_point": {
        "ts": "2026-09-13T06:54:14+00:00",
        "lat": 34.4228499999999968395059113390743732452392578125,
        "lon": 33.397158300000000963336788117885589599609375
    },
    "last_point": {
        "ts": "2026-09-13T13:28:14+00:00",
        "lat": 34.42908829999999653637132723815739154815673828125,
        "lon": 33.43487830000000116115188575349748134613037109375
    }
}
Methodology: 2026.01.18
Loiter Northern Baltic Sea Surveillance Zone
Sep 13, 2026 06:01 UTC 75.0%
  • Duration: 3h 42m
  • Radius: 916 meters
  • Data Points: 61 AIS positions
  • Centroid: 34.4200, 33.3906
  • Zone: Northern Baltic Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 916.3999999999999772626324556767940521240234375,
    "duration_minutes": 222.099999999999994315658113919198513031005859375,
    "points": 61,
    "centroid": {
        "lat": 34.41997456065573857131312252022325992584228515625,
        "lon": 33.39055352459015324484425946138799190521240234375
    },
    "bbox": {
        "min_lat": 34.41739170000000314075805363245308399200439453125,
        "min_lon": 33.3806000000000011596057447604835033416748046875,
        "max_lat": 34.42297330000000243899194174446165561676025390625,
        "max_lon": 33.39821500000000042973624658770859241485595703125
    },
    "zone_id": "discovered_039"
}
Methodology: 2026.01.18
Zone Dwell Northern Baltic Sea Surveillance Zone
Sep 13, 2026 05:09 UTC 80.0%
  • Zone: Northern Baltic Sea Surveillance Zone
  • Duration: 6h 37m
  • Data Points: 113 AIS positions
  • Period: 2026-09-13T05:52:54+00:00 to 2026-09-13T12:29:55+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_039",
    "zone_name": "Northern Baltic Sea Surveillance Zone",
    "dwell_minutes": 397,
    "points_in_zone": 113,
    "first_point": {
        "ts": "2026-09-13T05:52:54+00:00",
        "lat": 34.4206999999999965211827657185494899749755859375,
        "lon": 33.3981849999999980127540766261518001556396484375
    },
    "last_point": {
        "ts": "2026-09-13T12:29:55+00:00",
        "lat": 34.42843330000000179325070348568260669708251953125,
        "lon": 33.42826000000000163936419994570314884185791015625
    }
}
Methodology: 2026.01.18

Recent Position Data

Time (UTC) Lat Lon Speed Course Zone
Sep 15 07:16 34.2492 34.0226 13.7 kn 113.0° Northern Baltic Sea Surveillance Zone
Sep 15 06:59 34.2745 33.9501 13.7 kn 112.3° Northern Baltic Sea Surveillance Zone
Sep 15 06:56 34.2793 33.9358 13.7 kn 112.2° Northern Baltic Sea Surveillance Zone
Sep 15 06:55 34.2808 33.9316 13.7 kn 112.1° Northern Baltic Sea Surveillance Zone
Sep 15 06:49 34.2888 33.9075 13.6 kn 111.3° Northern Baltic Sea Surveillance Zone
Sep 15 05:18 34.4238 33.5475 10.2 kn 125.1° Northern Baltic Sea Surveillance Zone
Sep 15 05:06 34.4319 33.5295 2.7 kn 26.9° Northern Baltic Sea Surveillance Zone
Sep 15 04:42 34.4298 33.5290 0.1 kn 16.9° Northern Baltic Sea Surveillance Zone
Sep 15 04:37 34.4296 33.5289 0.1 kn 16.9° Northern Baltic Sea Surveillance Zone
Sep 15 04:33 34.4295 33.5289 0.1 kn 16.9° Northern Baltic Sea Surveillance Zone
Sep 15 04:30 34.4294 33.5288 0.1 kn 16.9° Northern Baltic Sea Surveillance Zone
Sep 15 04:19 34.4290 33.5287 0.1 kn 16.9° Northern Baltic Sea Surveillance Zone
Sep 15 04:17 34.4289 33.5286 0.1 kn 16.9° Northern Baltic Sea Surveillance Zone
Sep 15 04:02 34.4284 33.5283 0.1 kn 13.2° Northern Baltic Sea Surveillance Zone
Sep 15 03:59 34.4283 33.5283 0.1 kn 15.7° Northern Baltic Sea Surveillance Zone
Sep 15 03:56 34.4282 33.5282 0.1 kn 160.5° Northern Baltic Sea Surveillance Zone
Sep 15 03:53 34.4280 33.5281 0.1 kn 160.5° Northern Baltic Sea Surveillance Zone
Sep 15 03:51 34.4280 33.5280 0.1 kn 160.5° Northern Baltic Sea Surveillance Zone
Sep 15 03:48 34.4279 33.5279 0.1 kn 160.5° Northern Baltic Sea Surveillance Zone
Sep 15 03:43 34.4278 33.5278 0.1 kn 160.5° Northern Baltic Sea Surveillance Zone

Showing 20 of 100 recent positions.

Data Source

Vessel observed through FleetLeaks' AIS monitoring system in zones of interest. Identity and position data derived from AIS broadcasts and public maritime databases.

Disclaimer: AIS data can be spoofed or falsified. Vessel identities should be independently verified before making compliance decisions.