JIRISAN EXPLORER

IMO 9941221

Vessel information

Vessel Name JIRISAN EXPLORER
IMO Number 9941221
MMSI 636022279
Vessel Type Tanker
Flag 🇱🇷 Liberia
Call Sign 5LIA3
Length 230 m
Beam 32 m

Detected Events (100)

Zone Dwell Cape Peninsula Surveillance Zone
May 8, 2026 14:25 UTC 80.0% ▼
  • Zone: Cape Peninsula Surveillance Zone
  • Duration: 1h 2m
  • Data Points: 11 AIS positions
  • Period: 2026-05-08T14:25:50+00:00 to 2026-05-08T15:28:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_071",
    "zone_name": "Cape Peninsula Surveillance Zone",
    "dwell_minutes": 62.2000000000000028421709430404007434844970703125,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-05-08T14:25:50+00:00",
        "lat": -34.8347849999999965575625537894666194915771484375,
        "lon": 18.082243299999998242810761439613997936248779296875
    },
    "last_point": {
        "ts": "2026-05-08T15:28:01+00:00",
        "lat": -34.91230329999999781875885673798620700836181640625,
        "lon": 18.337576699999999618739821016788482666015625
    }
}
Methodology: 2026.01.18
Zone Dwell Brest Approaches Monitoring Zone
Feb 24, 2026 13:00 UTC 80.0% ▼
  • Zone: Brest Approaches Monitoring Zone
  • Duration: 1h 58m
  • Data Points: 105 AIS positions
  • Period: 2026-02-24T13:00:21+00:00 to 2026-02-24T14:59:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_057",
    "zone_name": "Brest Approaches Monitoring Zone",
    "dwell_minutes": 118.7999999999999971578290569595992565155029296875,
    "points_in_zone": 105,
    "first_point": {
        "ts": "2026-02-24T13:00:21+00:00",
        "lat": 35.94845000000000112549969344399869441986083984375,
        "lon": -7.42054670000000005103402145323343575000762939453125
    },
    "last_point": {
        "ts": "2026-02-24T14:59:11+00:00",
        "lat": 35.93506330000000303925844491459429264068603515625,
        "lon": -7.90904170000000039664200812694616615772247314453125
    }
}
Methodology: 2026.01.18
Zone Dwell Brest Approaches Monitoring Zone
Feb 24, 2026 12:32 UTC 80.0% ▼
  • Zone: Brest Approaches Monitoring Zone
  • Duration: 2h 26m
  • Data Points: 133 AIS positions
  • Period: 2026-02-24T12:32:21+00:00 to 2026-02-24T14:59:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_057",
    "zone_name": "Brest Approaches Monitoring Zone",
    "dwell_minutes": 146.80000000000001136868377216160297393798828125,
    "points_in_zone": 133,
    "first_point": {
        "ts": "2026-02-24T12:32:21+00:00",
        "lat": 35.954873300000002700471668504178524017333984375,
        "lon": -7.27906829999999960278955768444575369358062744140625
    },
    "last_point": {
        "ts": "2026-02-24T14:59:11+00:00",
        "lat": 35.93506330000000303925844491459429264068603515625,
        "lon": -7.90904170000000039664200812694616615772247314453125
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_168
Feb 24, 2026 10:00 UTC 80.0% ▼
  • Zone: discovered_168
  • Duration: 1h 39m
  • Data Points: 98 AIS positions
  • Period: 2026-02-24T10:00:34+00:00 to 2026-02-24T11:39:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_168",
    "zone_name": "Atlantic Coast Monitoring Zone",
    "dwell_minutes": 99.400000000000005684341886080801486968994140625,
    "points_in_zone": 98,
    "first_point": {
        "ts": "2026-02-24T10:00:34+00:00",
        "lat": 35.9609200000000015506884665228426456451416015625,
        "lon": -6.5551300000000001233502189279533922672271728515625
    },
    "last_point": {
        "ts": "2026-02-24T11:39:57+00:00",
        "lat": 35.93820500000000350837581208907067775726318359375,
        "lon": -7.0620282999999997031181919737718999385833740234375
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_168
Feb 24, 2026 09:51 UTC 80.0% ▼
  • Zone: discovered_168
  • Duration: 1h 48m
  • Data Points: 107 AIS positions
  • Period: 2026-02-24T09:51:16+00:00 to 2026-02-24T11:39:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_168",
    "zone_name": "Atlantic Coast Monitoring Zone",
    "dwell_minutes": 108.7000000000000028421709430404007434844970703125,
    "points_in_zone": 107,
    "first_point": {
        "ts": "2026-02-24T09:51:16+00:00",
        "lat": 35.961673300000001063381205312907695770263671875,
        "lon": -6.51036669999999961788716973387636244297027587890625
    },
    "last_point": {
        "ts": "2026-02-24T11:39:57+00:00",
        "lat": 35.93820500000000350837581208907067775726318359375,
        "lon": -7.0620282999999997031181919737718999385833740234375
    }
}
Methodology: 2026.01.18
Zone Dwell Ceuta/Gibraltar STS Zone
Feb 24, 2026 07:00 UTC 80.0% ▼
  • Zone: Ceuta/Gibraltar STS Zone
  • Duration: 1h 4m
  • Data Points: 63 AIS positions
  • Period: 2026-02-24T07:00:52+00:00 to 2026-02-24T08:05:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_ceuta",
    "zone_name": "Ceuta\/Gibraltar STS Zone",
    "dwell_minutes": 64.599999999999994315658113919198513031005859375,
    "points_in_zone": 63,
    "first_point": {
        "ts": "2026-02-24T07:00:52+00:00",
        "lat": 35.96851670000000211757651413790881633758544921875,
        "lon": -5.6900800000000000267164068645797669887542724609375
    },
    "last_point": {
        "ts": "2026-02-24T08:05:26+00:00",
        "lat": 35.9631600000000020145307644270360469818115234375,
        "lon": -5.99482669999999995269490682403557002544403076171875
    }
}
Methodology: 2026.01.18
Zone Dwell Ceuta/Gibraltar STS Zone
Feb 24, 2026 06:30 UTC 80.0% ▼
  • Zone: Ceuta/Gibraltar STS Zone
  • Duration: 1h 35m
  • Data Points: 92 AIS positions
  • Period: 2026-02-24T06:30:16+00:00 to 2026-02-24T08:05:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_ceuta",
    "zone_name": "Ceuta\/Gibraltar STS Zone",
    "dwell_minutes": 95.2000000000000028421709430404007434844970703125,
    "points_in_zone": 92,
    "first_point": {
        "ts": "2026-02-24T06:30:16+00:00",
        "lat": 35.98700500000000346290107700042426586151123046875,
        "lon": -5.52484670000000033240894481423310935497283935546875
    },
    "last_point": {
        "ts": "2026-02-24T08:05:26+00:00",
        "lat": 35.9631600000000020145307644270360469818115234375,
        "lon": -5.99482669999999995269490682403557002544403076171875
    }
}
Methodology: 2026.01.18
Zone Dwell Ceuta/Gibraltar STS Zone
Feb 24, 2026 05:30 UTC 80.0% ▼
  • Zone: Ceuta/Gibraltar STS Zone
  • Duration: 2h 35m
  • Data Points: 93 AIS positions
  • Period: 2026-02-24T05:30:27+00:00 to 2026-02-24T08:05:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_ceuta",
    "zone_name": "Ceuta\/Gibraltar STS Zone",
    "dwell_minutes": 155,
    "points_in_zone": 93,
    "first_point": {
        "ts": "2026-02-24T05:30:27+00:00",
        "lat": 36.04941170000000028039721655659377574920654296875,
        "lon": -5.22191329999999975797209117445163428783416748046875
    },
    "last_point": {
        "ts": "2026-02-24T08:05:26+00:00",
        "lat": 35.9631600000000020145307644270360469818115234375,
        "lon": -5.99482669999999995269490682403557002544403076171875
    }
}
Methodology: 2026.01.18
Zone Dwell Strait of Gibraltar Surveillance Zone
Feb 24, 2026 02:33 UTC 80.0% ▼
  • Zone: Strait of Gibraltar Surveillance Zone
  • Duration: 2h 56m
  • Data Points: 12 AIS positions
  • Period: 2026-02-24T02:33:45+00:00 to 2026-02-24T05:30:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 176.69999999999998863131622783839702606201171875,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-02-24T02:33:45+00:00",
        "lat": 36.09810829999999981509972712956368923187255859375,
        "lon": -4.31956670000000020337438400019891560077667236328125
    },
    "last_point": {
        "ts": "2026-02-24T05:30:27+00:00",
        "lat": 36.04941170000000028039721655659377574920654296875,
        "lon": -5.22191329999999975797209117445163428783416748046875
    }
}
Methodology: 2026.01.18
Zone Dwell Strait of Gibraltar Surveillance Zone
Feb 24, 2026 01:06 UTC 80.0% ▼
  • Zone: Strait of Gibraltar Surveillance Zone
  • Duration: 4h 24m
  • Data Points: 31 AIS positions
  • Period: 2026-02-24T01:06:27+00:00 to 2026-02-24T05:30:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 264,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-02-24T01:06:27+00:00",
        "lat": 36.12462330000000321206243825145065784454345703125,
        "lon": -3.8923100000000001585931386216543614864349365234375
    },
    "last_point": {
        "ts": "2026-02-24T05:30:27+00:00",
        "lat": 36.04941170000000028039721655659377574920654296875,
        "lon": -5.22191329999999975797209117445163428783416748046875
    }
}
Methodology: 2026.01.18
Zone Dwell Strait of Gibraltar Surveillance Zone
Feb 24, 2026 00:37 UTC 80.0% ▼
  • Zone: Strait of Gibraltar Surveillance Zone
  • Duration: 4h 52m
  • Data Points: 39 AIS positions
  • Period: 2026-02-24T00:37:46+00:00 to 2026-02-24T05:30:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_001",
    "zone_name": "Strait of Gibraltar Surveillance Zone",
    "dwell_minutes": 292.69999999999998863131622783839702606201171875,
    "points_in_zone": 39,
    "first_point": {
        "ts": "2026-02-24T00:37:46+00:00",
        "lat": 36.13691330000000334621290676295757293701171875,
        "lon": -3.743374999999999896971303314785473048686981201171875
    },
    "last_point": {
        "ts": "2026-02-24T05:30:27+00:00",
        "lat": 36.04941170000000028039721655659377574920654296875,
        "lon": -5.22191329999999975797209117445163428783416748046875
    }
}
Methodology: 2026.01.18
Zone Dwell Alboran Sea Surveillance Zone
Feb 23, 2026 20:37 UTC 80.0% ▼
  • Zone: Alboran Sea Surveillance Zone
  • Duration: 1h 12m
  • Data Points: 32 AIS positions
  • Period: 2026-02-23T20:37:46+00:00 to 2026-02-23T21:50:16+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_102",
    "zone_name": "Alboran Sea Surveillance Zone",
    "dwell_minutes": 72.5,
    "points_in_zone": 32,
    "first_point": {
        "ts": "2026-02-23T20:37:46+00:00",
        "lat": 36.21779169999999936635504127480089664459228515625,
        "lon": -2.439554999999999918003368293284438550472259521484375
    },
    "last_point": {
        "ts": "2026-02-23T21:50:16+00:00",
        "lat": 36.18762170000000111258486867882311344146728515625,
        "lon": -2.81708170000000013288854461279697716236114501953125
    }
}
Methodology: 2026.01.18
Zone Dwell Norwegian Sea Sanctions Monitoring Zone
Feb 23, 2026 20:00 UTC 80.0% ▼
  • Zone: Norwegian Sea Sanctions Monitoring Zone
  • Duration: 1h 8m
  • Data Points: 37 AIS positions
  • Period: 2026-02-23T20:00:05+00:00 to 2026-02-23T21:08:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_129",
    "zone_name": "Alboran Sea Monitoring Zone",
    "dwell_minutes": 68,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-02-23T20:00:05+00:00",
        "lat": 36.2362617000000000189174897968769073486328125,
        "lon": -2.230671699999999813002204973599873483180999755859375
    },
    "last_point": {
        "ts": "2026-02-23T21:08:05+00:00",
        "lat": 36.2067617000000012694727047346532344818115234375,
        "lon": -2.60534830000000017236061466974206268787384033203125
    }
}
Methodology: 2026.01.18
Zone Dwell Norwegian Sea Sanctions Monitoring Zone
Feb 23, 2026 19:29 UTC 80.0% ▼
  • Zone: Norwegian Sea Sanctions Monitoring Zone
  • Duration: 1h 38m
  • Data Points: 61 AIS positions
  • Period: 2026-02-23T19:29:57+00:00 to 2026-02-23T21:08:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_129",
    "zone_name": "Alboran Sea Monitoring Zone",
    "dwell_minutes": 98.099999999999994315658113919198513031005859375,
    "points_in_zone": 61,
    "first_point": {
        "ts": "2026-02-23T19:29:57+00:00",
        "lat": 36.2493716999999975314494804479181766510009765625,
        "lon": -2.061098299999999827747387826093472540378570556640625
    },
    "last_point": {
        "ts": "2026-02-23T21:08:05+00:00",
        "lat": 36.2067617000000012694727047346532344818115234375,
        "lon": -2.60534830000000017236061466974206268787384033203125
    }
}
Methodology: 2026.01.18
Zone Dwell Malacca Strait Surveillance Zone
Feb 23, 2026 14:00 UTC 80.0% ▼
  • Zone: Malacca Strait Surveillance Zone
  • Duration: 1h 18m
  • Data Points: 66 AIS positions
  • Period: 2026-02-23T14:00:58+00:00 to 2026-02-23T15:19:00+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_160",
    "zone_name": "Central Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 78,
    "points_in_zone": 66,
    "first_point": {
        "ts": "2026-02-23T14:00:58+00:00",
        "lat": 36.5997449999999986403054208494722843170166015625,
        "lon": -0.296480000000000021298518504409003071486949920654296875
    },
    "last_point": {
        "ts": "2026-02-23T15:19:00+00:00",
        "lat": 36.52861169999999901847331784665584564208984375,
        "lon": -0.711808299999999949392304188222624361515045166015625
    }
}
Methodology: 2026.01.18
Zone Dwell Malacca Strait Surveillance Zone
Feb 23, 2026 13:40 UTC 80.0% ▼
  • Zone: Malacca Strait Surveillance Zone
  • Duration: 1h 38m
  • Data Points: 86 AIS positions
  • Period: 2026-02-23T13:40:09+00:00 to 2026-02-23T15:19:00+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_160",
    "zone_name": "Central Mediterranean Sanctioned Vessel Zone",
    "dwell_minutes": 98.7999999999999971578290569595992565155029296875,
    "points_in_zone": 86,
    "first_point": {
        "ts": "2026-02-23T13:40:09+00:00",
        "lat": 36.61320500000000066620486904866993427276611328125,
        "lon": -0.1861416999999999932757788201342918910086154937744140625
    },
    "last_point": {
        "ts": "2026-02-23T15:19:00+00:00",
        "lat": 36.52861169999999901847331784665584564208984375,
        "lon": -0.711808299999999949392304188222624361515045166015625
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_191
Feb 23, 2026 03:47 UTC 80.0% ▼
  • Zone: discovered_191
  • Duration: 1h 33m
  • Data Points: 16 AIS positions
  • Period: 2026-02-23T03:47:58+00:00 to 2026-02-23T05:21:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_191",
    "zone_name": "Eastern Alboran Sea Monitoring Zone",
    "dwell_minutes": 93.2000000000000028421709430404007434844970703125,
    "points_in_zone": 16,
    "first_point": {
        "ts": "2026-02-23T03:47:58+00:00",
        "lat": 37.2100267000000002326487447135150432586669921875,
        "lon": 2.94184499999999982122744768275879323482513427734375
    },
    "last_point": {
        "ts": "2026-02-23T05:21:09+00:00",
        "lat": 37.1398999999999972487785271368920803070068359375,
        "lon": 2.45247830000000011096972230006940662860870361328125
    }
}
Methodology: 2026.01.18
Zone Dwell Istanbul Black Sea Surveillance Zone
Feb 23, 2026 02:42 UTC 80.0% ▼
  • Zone: Istanbul Black Sea Surveillance Zone
  • Duration: 1h 6m
  • Data Points: 9 AIS positions
  • Period: 2026-02-23T02:42:45+00:00 to 2026-02-23T03:48:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_024",
    "zone_name": "Northern Barents Sea Surveillance Zone",
    "dwell_minutes": 66.2000000000000028421709430404007434844970703125,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-02-23T02:42:45+00:00",
        "lat": 37.2447700000000025966073735617101192474365234375,
        "lon": 3.28831670000000020337438400019891560077667236328125
    },
    "last_point": {
        "ts": "2026-02-23T03:48:59+00:00",
        "lat": 37.20942670000000163099684868939220905303955078125,
        "lon": 2.936423299999999958487251205951906740665435791015625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 19, 2026 19:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 1h 10m
  • Data Points: 7 AIS positions
  • Period: 2026-02-19T19:02:11+00:00 to 2026-02-19T20:12:40+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 70.5,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-02-19T19:02:11+00:00",
        "lat": 36.86206829999999712299540988169610500335693359375,
        "lon": 23.34409670000000147638274938799440860748291015625
    },
    "last_point": {
        "ts": "2026-02-19T20:12:40+00:00",
        "lat": 36.8750016999999985500835464335978031158447265625,
        "lon": 23.343051700000000181489667738787829875946044921875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 19, 2026 18:04 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 2h 8m
  • Data Points: 15 AIS positions
  • Period: 2026-02-19T18:04:02+00:00 to 2026-02-19T20:12:40+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 128.599999999999994315658113919198513031005859375,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-02-19T18:04:02+00:00",
        "lat": 36.842984999999998763087205588817596435546875,
        "lon": 23.334816700000001077341948985122144222259521484375
    },
    "last_point": {
        "ts": "2026-02-19T20:12:40+00:00",
        "lat": 36.8750016999999985500835464335978031158447265625,
        "lon": 23.343051700000000181489667738787829875946044921875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 19, 2026 17:04 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 3h 8m
  • Data Points: 20 AIS positions
  • Period: 2026-02-19T17:04:32+00:00 to 2026-02-19T20:12:40+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 188.099999999999994315658113919198513031005859375,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-02-19T17:04:32+00:00",
        "lat": 36.8201600000000013324097380973398685455322265625,
        "lon": 23.326743300000000402860678150318562984466552734375
    },
    "last_point": {
        "ts": "2026-02-19T20:12:40+00:00",
        "lat": 36.8750016999999985500835464335978031158447265625,
        "lon": 23.343051700000000181489667738787829875946044921875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 19, 2026 03:03 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 1h 49m
  • Data Points: 30 AIS positions
  • Period: 2026-02-19T03:03:12+00:00 to 2026-02-19T04:53:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 109.7999999999999971578290569595992565155029296875,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-02-19T03:03:12+00:00",
        "lat": 36.88434170000000023037500795908272266387939453125,
        "lon": 23.25839500000000015234036254696547985076904296875
    },
    "last_point": {
        "ts": "2026-02-19T04:53:01+00:00",
        "lat": 36.8988666999999992412995197810232639312744140625,
        "lon": 23.24464830000000148402250488288700580596923828125
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 19, 2026 02:41 UTC 75.0% ▼
  • Duration: 1h 48m
  • Radius: 1,458 meters
  • Data Points: 27 AIS positions
  • Centroid: 36.8781, 23.2614
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1458.40000000000009094947017729282379150390625,
    "duration_minutes": 108.7000000000000028421709430404007434844970703125,
    "points": 27,
    "centroid": {
        "lat": 36.87805351851852009303911472670733928680419921875,
        "lon": 23.2614461111111126001560478471219539642333984375
    },
    "bbox": {
        "min_lat": 36.869405000000000427462509833276271820068359375,
        "min_lon": 23.25467499999999887450030655600130558013916015625,
        "max_lat": 36.89001669999999677429514122195541858673095703125,
        "max_lon": 23.268376700000001022772266878746449947357177734375
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 19, 2026 02:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 2h 51m
  • Data Points: 47 AIS positions
  • Period: 2026-02-19T02:02:02+00:00 to 2026-02-19T04:53:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 171,
    "points_in_zone": 47,
    "first_point": {
        "ts": "2026-02-19T02:02:02+00:00",
        "lat": 36.90172499999999899955582804977893829345703125,
        "lon": 23.247460000000000235331754083745181560516357421875
    },
    "last_point": {
        "ts": "2026-02-19T04:53:01+00:00",
        "lat": 36.8988666999999992412995197810232639312744140625,
        "lon": 23.24464830000000148402250488288700580596923828125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 19, 2026 01:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 3h 50m
  • Data Points: 68 AIS positions
  • Period: 2026-02-19T01:02:22+00:00 to 2026-02-19T04:53:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 230.69999999999998863131622783839702606201171875,
    "points_in_zone": 68,
    "first_point": {
        "ts": "2026-02-19T01:02:22+00:00",
        "lat": 36.9137582999999978028426994569599628448486328125,
        "lon": 23.232923299999999500187186640687286853790283203125
    },
    "last_point": {
        "ts": "2026-02-19T04:53:01+00:00",
        "lat": 36.8988666999999992412995197810232639312744140625,
        "lon": 23.24464830000000148402250488288700580596923828125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 19, 2026 00:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 4h 51m
  • Data Points: 88 AIS positions
  • Period: 2026-02-19T00:01:11+00:00 to 2026-02-19T04:53:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 291.80000000000001136868377216160297393798828125,
    "points_in_zone": 88,
    "first_point": {
        "ts": "2026-02-19T00:01:11+00:00",
        "lat": 36.9352267000000011876181815750896930694580078125,
        "lon": 23.22428169999999880701579968445003032684326171875
    },
    "last_point": {
        "ts": "2026-02-19T04:53:01+00:00",
        "lat": 36.8988666999999992412995197810232639312744140625,
        "lon": 23.24464830000000148402250488288700580596923828125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 23:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 5h 50m
  • Data Points: 110 AIS positions
  • Period: 2026-02-18T23:02:31+00:00 to 2026-02-19T04:53:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 350.5,
    "points_in_zone": 110,
    "first_point": {
        "ts": "2026-02-18T23:02:31+00:00",
        "lat": 36.9434899999999970532371662557125091552734375,
        "lon": 23.219056699999999437977749039418995380401611328125
    },
    "last_point": {
        "ts": "2026-02-19T04:53:01+00:00",
        "lat": 36.8988666999999992412995197810232639312744140625,
        "lon": 23.24464830000000148402250488288700580596923828125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 22:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 32m
  • Data Points: 124 AIS positions
  • Period: 2026-02-18T22:20:12+00:00 to 2026-02-19T04:53:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 392.80000000000001136868377216160297393798828125,
    "points_in_zone": 124,
    "first_point": {
        "ts": "2026-02-18T22:20:12+00:00",
        "lat": 36.944261699999998427301761694252490997314453125,
        "lon": 23.212119999999998753992258571088314056396484375
    },
    "last_point": {
        "ts": "2026-02-19T04:53:01+00:00",
        "lat": 36.8988666999999992412995197810232639312744140625,
        "lon": 23.24464830000000148402250488288700580596923828125
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 18, 2026 22:01 UTC 75.0% ▼
  • Duration: 1h 31m
  • Radius: 1,117 meters
  • Data Points: 34 AIS positions
  • Centroid: 36.9406, 23.2213
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1117,
    "duration_minutes": 91.7999999999999971578290569595992565155029296875,
    "points": 34,
    "centroid": {
        "lat": 36.940617941176469685160554945468902587890625,
        "lon": 23.221300585294120111257143435068428516387939453125
    },
    "bbox": {
        "min_lat": 36.931236699999999473220668733119964599609375,
        "min_lon": 23.2157432999999997491613612510263919830322265625,
        "max_lat": 36.9442566999999968402335071004927158355712890625,
        "max_lon": 23.22584499999999962938090902753174304962158203125
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 21:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 36m
  • Data Points: 126 AIS positions
  • Period: 2026-02-18T21:50:02+00:00 to 2026-02-19T04:26:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 396.80000000000001136868377216160297393798828125,
    "points_in_zone": 126,
    "first_point": {
        "ts": "2026-02-18T21:50:02+00:00",
        "lat": 36.943815000000000736690708436071872711181640625,
        "lon": 23.207693299999998970406522857956588268280029296875
    },
    "last_point": {
        "ts": "2026-02-19T04:26:51+00:00",
        "lat": 36.88224170000000157187969307415187358856201171875,
        "lon": 23.256975000000000619593265582807362079620361328125
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 18, 2026 21:01 UTC 75.0% ▼
  • Duration: 2h 24m
  • Radius: 1,175 meters
  • Data Points: 52 AIS positions
  • Centroid: 36.9425, 23.2167
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1175.40000000000009094947017729282379150390625,
    "duration_minutes": 144.30000000000001136868377216160297393798828125,
    "points": 52,
    "centroid": {
        "lat": 36.94248653846153018776021781377494335174560546875,
        "lon": 23.2166712153846077626440091989934444427490234375
    },
    "bbox": {
        "min_lat": 36.93410000000000081854523159563541412353515625,
        "min_lon": 23.206423300000000864429239300079643726348876953125,
        "max_lat": 36.94427830000000056998032960109412670135498046875,
        "max_lon": 23.22473000000000098452801466919481754302978515625
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 18, 2026 20:43 UTC 75.0% ▼
  • Duration: 3h 6m
  • Radius: 1,168 meters
  • Data Points: 66 AIS positions
  • Centroid: 36.9428, 23.2137
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1167.5,
    "duration_minutes": 186,
    "points": 66,
    "centroid": {
        "lat": 36.94280858030302994166049757041037082672119140625,
        "lon": 23.213722648484850452632599626667797565460205078125
    },
    "bbox": {
        "min_lat": 36.936194999999997889972291886806488037109375,
        "min_lon": 23.205169999999998964312908356077969074249267578125,
        "max_lat": 36.94427830000000056998032960109412670135498046875,
        "max_lon": 23.223915000000001640501068322919309139251708984375
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 20:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 130 AIS positions
  • Period: 2026-02-18T20:52:12+00:00 to 2026-02-19T03:29:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397,
    "points_in_zone": 130,
    "first_point": {
        "ts": "2026-02-18T20:52:12+00:00",
        "lat": 36.943545000000000300133251585066318511962890625,
        "lon": 23.2060800000000000409272615797817707061767578125
    },
    "last_point": {
        "ts": "2026-02-19T03:29:12+00:00",
        "lat": 36.87739330000000137488314067013561725616455078125,
        "lon": 23.2617316999999985682734404690563678741455078125
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 18, 2026 19:30 UTC 75.0% ▼
  • Duration: 4h 13m
  • Radius: 1,180 meters
  • Data Points: 72 AIS positions
  • Centroid: 36.9435, 23.2133
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1179.5,
    "duration_minutes": 253.19999999999998863131622783839702606201171875,
    "points": 72,
    "centroid": {
        "lat": 36.94350349027778435129221179522573947906494140625,
        "lon": 23.213275273611113647120873793028295040130615234375
    },
    "bbox": {
        "min_lat": 36.93694330000000292102413368411362171173095703125,
        "min_lon": 23.205169999999998964312908356077969074249267578125,
        "max_lat": 36.9535249999999990677679306827485561370849609375,
        "max_lon": 23.22369330000000076097421697340905666351318359375
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 19:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 33m
  • Data Points: 121 AIS positions
  • Period: 2026-02-18T19:42:42+00:00 to 2026-02-19T02:16:10+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 393.5,
    "points_in_zone": 121,
    "first_point": {
        "ts": "2026-02-18T19:42:42+00:00",
        "lat": 36.9535249999999990677679306827485561370849609375,
        "lon": 23.214246700000000345198714057914912700653076171875
    },
    "last_point": {
        "ts": "2026-02-19T02:16:10+00:00",
        "lat": 36.8971183000000024776454665698111057281494140625,
        "lon": 23.249864999999999781721271574497222900390625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 18:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 117 AIS positions
  • Period: 2026-02-18T18:51:22+00:00 to 2026-02-19T01:28:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397,
    "points_in_zone": 117,
    "first_point": {
        "ts": "2026-02-18T18:51:22+00:00",
        "lat": 36.9607467000000013968019629828631877899169921875,
        "lon": 23.21678670000000010986695997416973114013671875
    },
    "last_point": {
        "ts": "2026-02-19T01:28:21+00:00",
        "lat": 36.90919670000000252230165642686188220977783203125,
        "lon": 23.2403283000000016045305528677999973297119140625
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 18, 2026 18:00 UTC 75.0% ▼
  • Duration: 2h 1m
  • Radius: 1,040 meters
  • Data Points: 36 AIS positions
  • Centroid: 36.9596, 23.2162
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1040.40000000000009094947017729282379150390625,
    "duration_minutes": 121.5,
    "points": 36,
    "centroid": {
        "lat": 36.9596056527777676592450006864964962005615234375,
        "lon": 23.21623537222222211084954324178397655487060546875
    },
    "bbox": {
        "min_lat": 36.9507882999999992534867487847805023193359375,
        "min_lon": 23.212268300000001630678525543771684169769287109375,
        "max_lat": 36.96363170000000053505573305301368236541748046875,
        "max_lon": 23.2173982999999992671291693113744258880615234375
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 17:04 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 38m
  • Data Points: 117 AIS positions
  • Period: 2026-02-18T17:50:12+00:00 to 2026-02-19T00:28:32+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 398.30000000000001136868377216160297393798828125,
    "points_in_zone": 117,
    "first_point": {
        "ts": "2026-02-18T17:50:12+00:00",
        "lat": 36.9631083000000018046193872578442096710205078125,
        "lon": 23.2181183000000004312823875807225704193115234375
    },
    "last_point": {
        "ts": "2026-02-19T00:28:32+00:00",
        "lat": 36.92549000000000347654349752701818943023681640625,
        "lon": 23.228104999999999336068867705762386322021484375
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 18, 2026 17:04 UTC 75.0% ▼
  • Duration: 2h 57m
  • Radius: 1,114 meters
  • Data Points: 48 AIS positions
  • Centroid: 36.9599, 23.2175
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1114.200000000000045474735088646411895751953125,
    "duration_minutes": 177.5,
    "points": 48,
    "centroid": {
        "lat": 36.959897918749987866249284707009792327880859375,
        "lon": 23.21752826458333629489061422646045684814453125
    },
    "bbox": {
        "min_lat": 36.9507882999999992534867487847805023193359375,
        "min_lon": 23.212268300000001630678525543771684169769287109375,
        "max_lat": 36.96363170000000053505573305301368236541748046875,
        "max_lon": 23.224791700000000815862222225405275821685791015625
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 18, 2026 16:13 UTC 75.0% ▼
  • Duration: 3h 48m
  • Radius: 1,557 meters
  • Data Points: 63 AIS positions
  • Centroid: 36.9588, 23.2204
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1556.59999999999990905052982270717620849609375,
    "duration_minutes": 228.5,
    "points": 63,
    "centroid": {
        "lat": 36.958801215873023693347931839525699615478515625,
        "lon": 23.220372380952380098051435197703540325164794921875
    },
    "bbox": {
        "min_lat": 36.9507882999999992534867487847805023193359375,
        "min_lon": 23.212268300000001630678525543771684169769287109375,
        "max_lat": 36.96363170000000053505573305301368236541748046875,
        "max_lon": 23.234796700000000413410816690884530544281005859375
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 16:13 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 36m
  • Data Points: 109 AIS positions
  • Period: 2026-02-18T16:51:32+00:00 to 2026-02-18T23:27:32+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 396,
    "points_in_zone": 109,
    "first_point": {
        "ts": "2026-02-18T16:51:32+00:00",
        "lat": 36.95703830000000067457222030498087406158447265625,
        "lon": 23.226998300000001762555257300846278667449951171875
    },
    "last_point": {
        "ts": "2026-02-18T23:27:32+00:00",
        "lat": 36.94212830000000025165718398056924343109130859375,
        "lon": 23.221779999999998977955328882671892642974853515625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 15:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 33m
  • Data Points: 100 AIS positions
  • Period: 2026-02-18T15:51:41+00:00 to 2026-02-18T22:25:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 393.69999999999998863131622783839702606201171875,
    "points_in_zone": 100,
    "first_point": {
        "ts": "2026-02-18T15:51:41+00:00",
        "lat": 36.96593829999999769597707199864089488983154296875,
        "lon": 23.26261170000000078061930253170430660247802734375
    },
    "last_point": {
        "ts": "2026-02-18T22:25:21+00:00",
        "lat": 36.94427499999999753299562144093215465545654296875,
        "lon": 23.212978299999999620695234625600278377532958984375
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 14:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 32m
  • Data Points: 88 AIS positions
  • Period: 2026-02-18T14:56:31+00:00 to 2026-02-18T21:28:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 392.19999999999998863131622783839702606201171875,
    "points_in_zone": 88,
    "first_point": {
        "ts": "2026-02-18T14:56:31+00:00",
        "lat": 37.03128170000000096706571639515459537506103515625,
        "lon": 23.326523300000001626131052034907042980194091796875
    },
    "last_point": {
        "ts": "2026-02-18T21:28:42+00:00",
        "lat": 36.9427850000000006502887117676436901092529296875,
        "lon": 23.20543169999999832953108125366270542144775390625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 13:35 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 26m
  • Data Points: 93 AIS positions
  • Period: 2026-02-18T13:35:21+00:00 to 2026-02-18T20:01:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 386.19999999999998863131622783839702606201171875,
    "points_in_zone": 93,
    "first_point": {
        "ts": "2026-02-18T13:35:21+00:00",
        "lat": 36.9865266999999988684066920541226863861083984375,
        "lon": 23.32500329999999877372829359956085681915283203125
    },
    "last_point": {
        "ts": "2026-02-18T20:01:31+00:00",
        "lat": 36.9507882999999992534867487847805023193359375,
        "lon": 23.212268300000001630678525543771684169769287109375
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 12:53 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 35m
  • Data Points: 87 AIS positions
  • Period: 2026-02-18T12:53:01+00:00 to 2026-02-18T19:28:41+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 395.69999999999998863131622783839702606201171875,
    "points_in_zone": 87,
    "first_point": {
        "ts": "2026-02-18T12:53:01+00:00",
        "lat": 36.931201700000002574597601778805255889892578125,
        "lon": 23.294540000000001356283974018879234790802001953125
    },
    "last_point": {
        "ts": "2026-02-18T19:28:41+00:00",
        "lat": 36.9554150000000021236701286397874355316162109375,
        "lon": 23.215444999999998998418959672562777996063232421875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 11:16 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 30m
  • Data Points: 61 AIS positions
  • Period: 2026-02-18T11:38:01+00:00 to 2026-02-18T18:08:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 390,
    "points_in_zone": 61,
    "first_point": {
        "ts": "2026-02-18T11:38:01+00:00",
        "lat": 36.895994999999999208739609457552433013916015625,
        "lon": 23.257079999999998420889824046753346920013427734375
    },
    "last_point": {
        "ts": "2026-02-18T18:08:01+00:00",
        "lat": 36.96363170000000053505573305301368236541748046875,
        "lon": 23.217060000000000030695446184836328029632568359375
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 09:27 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 25m
  • Data Points: 37 AIS positions
  • Period: 2026-02-18T09:47:51+00:00 to 2026-02-18T16:13:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 385.19999999999998863131622783839702606201171875,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-02-18T09:47:51+00:00",
        "lat": 36.9279633000000018228092812933027744293212890625,
        "lon": 23.237641700000001065973265212960541248321533203125
    },
    "last_point": {
        "ts": "2026-02-18T16:13:01+00:00",
        "lat": 36.950881699999996499172993935644626617431640625,
        "lon": 23.234796700000000413410816690884530544281005859375
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 08:23 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 14m
  • Data Points: 35 AIS positions
  • Period: 2026-02-18T08:59:30+00:00 to 2026-02-18T15:13:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 374.3999999999999772626324556767940521240234375,
    "points_in_zone": 35,
    "first_point": {
        "ts": "2026-02-18T08:59:30+00:00",
        "lat": 36.91647329999999982419467414729297161102294921875,
        "lon": 23.291644999999999043893694761209189891815185546875
    },
    "last_point": {
        "ts": "2026-02-18T15:13:51+00:00",
        "lat": 37.011560000000002901288098655641078948974609375,
        "lon": 23.30648670000000066693246481008827686309814453125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 07:03 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 39m
  • Data Points: 31 AIS positions
  • Period: 2026-02-18T07:50:32+00:00 to 2026-02-18T14:29:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 399.30000000000001136868377216160297393798828125,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-02-18T07:50:32+00:00",
        "lat": 36.91818669999999968922566040419042110443115234375,
        "lon": 23.299993300000000573390934732742607593536376953125
    },
    "last_point": {
        "ts": "2026-02-18T14:29:51+00:00",
        "lat": 37.0514849999999995588950696401298046112060546875,
        "lon": 23.355683299999999036344888736493885517120361328125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 06:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 30m
  • Data Points: 30 AIS positions
  • Period: 2026-02-18T06:22:51+00:00 to 2026-02-18T12:53:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 390.19999999999998863131622783839702606201171875,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-02-18T06:22:51+00:00",
        "lat": 36.95358999999999838337316759862005710601806640625,
        "lon": 23.237961699999999609644873999059200286865234375
    },
    "last_point": {
        "ts": "2026-02-18T12:53:01+00:00",
        "lat": 36.931201700000002574597601778805255889892578125,
        "lon": 23.294540000000001356283974018879234790802001953125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 05:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 49 AIS positions
  • Period: 2026-02-18T05:00:40+00:00 to 2026-02-18T11:38:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397.3999999999999772626324556767940521240234375,
    "points_in_zone": 49,
    "first_point": {
        "ts": "2026-02-18T05:00:40+00:00",
        "lat": 36.9670100000000019235812942497432231903076171875,
        "lon": 23.249048299999998334897099994122982025146484375
    },
    "last_point": {
        "ts": "2026-02-18T11:38:01+00:00",
        "lat": 36.895994999999999208739609457552433013916015625,
        "lon": 23.257079999999998420889824046753346920013427734375
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 04:12 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 35m
  • Data Points: 51 AIS positions
  • Period: 2026-02-18T04:51:22+00:00 to 2026-02-18T11:26:52+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 395.5,
    "points_in_zone": 51,
    "first_point": {
        "ts": "2026-02-18T04:51:22+00:00",
        "lat": 36.970089999999999008650775067508220672607421875,
        "lon": 23.264649999999999607780409860424697399139404296875
    },
    "last_point": {
        "ts": "2026-02-18T11:26:52+00:00",
        "lat": 36.9013700000000000045474735088646411895751953125,
        "lon": 23.254013300000000441514202975668013095855712890625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 03:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 36m
  • Data Points: 71 AIS positions
  • Period: 2026-02-18T03:11:11+00:00 to 2026-02-18T09:47:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 396.69999999999998863131622783839702606201171875,
    "points_in_zone": 71,
    "first_point": {
        "ts": "2026-02-18T03:11:11+00:00",
        "lat": 37.0342983000000032234311220236122608184814453125,
        "lon": 23.351136700000001411581251886673271656036376953125
    },
    "last_point": {
        "ts": "2026-02-18T09:47:51+00:00",
        "lat": 36.9279633000000018228092812933027744293212890625,
        "lon": 23.237641700000001065973265212960541248321533203125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 02:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 77 AIS positions
  • Period: 2026-02-18T02:50:22+00:00 to 2026-02-18T09:27:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397.1000000000000227373675443232059478759765625,
    "points_in_zone": 77,
    "first_point": {
        "ts": "2026-02-18T02:50:22+00:00",
        "lat": 37.03630170000000276786522590555250644683837890625,
        "lon": 23.331779999999998409521140274591743946075439453125
    },
    "last_point": {
        "ts": "2026-02-18T09:27:31+00:00",
        "lat": 36.9226967000000030338924261741340160369873046875,
        "lon": 23.260531700000001364969648420810699462890625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 01:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 31m
  • Data Points: 97 AIS positions
  • Period: 2026-02-18T01:51:52+00:00 to 2026-02-18T08:23:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 391.30000000000001136868377216160297393798828125,
    "points_in_zone": 97,
    "first_point": {
        "ts": "2026-02-18T01:51:52+00:00",
        "lat": 37.04532669999999683341229683719575405120849609375,
        "lon": 23.2759716999999994868630892597138881683349609375
    },
    "last_point": {
        "ts": "2026-02-18T08:23:12+00:00",
        "lat": 36.91536500000000131649358081631362438201904296875,
        "lon": 23.323081699999999472083800355903804302215576171875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 18, 2026 00:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 29m
  • Data Points: 123 AIS positions
  • Period: 2026-02-18T00:41:11+00:00 to 2026-02-18T07:10:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 389,
    "points_in_zone": 123,
    "first_point": {
        "ts": "2026-02-18T00:41:11+00:00",
        "lat": 37.0338100000000025602275854907929897308349609375,
        "lon": 23.247229999999998284465618780814111232757568359375
    },
    "last_point": {
        "ts": "2026-02-18T07:10:11+00:00",
        "lat": 36.93555330000000225254552788101136684417724609375,
        "lon": 23.271460000000001144826455856673419475555419921875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 23:03 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 128 AIS positions
  • Period: 2026-02-17T23:50:52+00:00 to 2026-02-18T06:28:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397.30000000000001136868377216160297393798828125,
    "points_in_zone": 128,
    "first_point": {
        "ts": "2026-02-17T23:50:52+00:00",
        "lat": 37.0362099999999969668351695872843265533447265625,
        "lon": 23.21921999999999997044142219237983226776123046875
    },
    "last_point": {
        "ts": "2026-02-18T06:28:12+00:00",
        "lat": 36.9521117000000032248863135464489459991455078125,
        "lon": 23.24178330000000158861439558677375316619873046875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 22:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 36m
  • Data Points: 138 AIS positions
  • Period: 2026-02-17T22:51:21+00:00 to 2026-02-18T05:28:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 396.8999999999999772626324556767940521240234375,
    "points_in_zone": 138,
    "first_point": {
        "ts": "2026-02-17T22:51:21+00:00",
        "lat": 37.03786170000000055324562708847224712371826171875,
        "lon": 23.193650000000001654143488849513232707977294921875
    },
    "last_point": {
        "ts": "2026-02-18T05:28:12+00:00",
        "lat": 36.95864999999999866986399865709245204925537109375,
        "lon": 23.214265000000001037960828398354351520538330078125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 21:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 31m
  • Data Points: 151 AIS positions
  • Period: 2026-02-17T21:40:31+00:00 to 2026-02-18T04:12:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 391.69999999999998863131622783839702606201171875,
    "points_in_zone": 151,
    "first_point": {
        "ts": "2026-02-17T21:40:31+00:00",
        "lat": 37.08237170000000304526110994629561901092529296875,
        "lon": 23.26627669999999881156327319331467151641845703125
    },
    "last_point": {
        "ts": "2026-02-18T04:12:11+00:00",
        "lat": 36.99004330000000351219568983651697635650634765625,
        "lon": 23.320781700000001279704520129598677158355712890625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 20:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 35m
  • Data Points: 160 AIS positions
  • Period: 2026-02-17T20:51:31+00:00 to 2026-02-18T03:27:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 395.5,
    "points_in_zone": 160,
    "first_point": {
        "ts": "2026-02-17T20:51:31+00:00",
        "lat": 37.082778300000001081571099348366260528564453125,
        "lon": 23.2473217000000005327819962985813617706298828125
    },
    "last_point": {
        "ts": "2026-02-18T03:27:02+00:00",
        "lat": 37.0322699999999969122654874809086322784423828125,
        "lon": 23.37089830000000034715412766672670841217041015625
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 19:31 UTC 63/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 29 meters
  • Average Distance: 162 meters
  • Duration: 33 minutes
  • Period: 2026-02-17T19:31:11+00:00 to 2026-02-17T20:04:22+00:00
  • Vessel A Avg Speed: 1.0 knots
  • Vessel B Avg Speed: 1.1 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 63/100

Moderate-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 29m, avg 162m) for 33 minutes. Both vessels were slow-moving (avg speeds 1.0 and 1.1 knots). Moderate distance variation observed during the encounter. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 29m, avg 162m
Duration5/25Duration 33 minutes
Speed Stability15/20both slow; very stable speeds
Distance Consistency8/15Distance variance ±97m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T21:45:01.637060+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 28.60000000000000142108547152020037174224853515625,
    "avg_distance_m": 161.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 97.2000000000000028421709430404007434844970703125,
    "duration_minutes": 33.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 1991,
    "speed_a_avg": 1.0100000000000000088817841970012523233890533447265625,
    "speed_a_std": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_avg": 1.0500000000000000444089209850062616169452667236328125,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.0100000000000000088817841970012523233890533447265625,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 1.0500000000000000444089209850062616169452667236328125,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        }
    },
    "time_window": {
        "start": "2026-02-17T19:31:11+00:00",
        "end": "2026-02-17T20:04:22+00:00"
    },
    "points_count": {
        "vessel_a": 15,
        "vessel_b": 15
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 63,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 29m, avg 162m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 33 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b197m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 29m, avg 162m) for 33 minutes. Both vessels were slow-moving (avg speeds 1.0 and 1.1 knots). Moderate distance variation observed during the encounter. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.0789836000000008198185241781175136566162109375,
            "lon": 23.2197728000000012116288417018949985504150390625
        },
        "time_window": {
            "start_ts": "2026-02-17T19:31:11+00:00",
            "end_ts": "2026-02-17T20:04:22+00:00"
        },
        "searched_at": "2026-02-17T21:45:01.637060+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 19:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 36m
  • Data Points: 162 AIS positions
  • Period: 2026-02-17T19:51:12+00:00 to 2026-02-18T02:27:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 396.5,
    "points_in_zone": 162,
    "first_point": {
        "ts": "2026-02-17T19:51:12+00:00",
        "lat": 37.0790750000000031150193535722792148590087890625,
        "lon": 23.22068829999999906021912465803325176239013671875
    },
    "last_point": {
        "ts": "2026-02-18T02:27:42+00:00",
        "lat": 37.03896329999999892379491939209401607513427734375,
        "lon": 23.31087670000000144909790833480656147003173828125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 18:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 33m
  • Data Points: 162 AIS positions
  • Period: 2026-02-17T18:51:32+00:00 to 2026-02-18T01:25:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 393.80000000000001136868377216160297393798828125,
    "points_in_zone": 162,
    "first_point": {
        "ts": "2026-02-17T18:51:32+00:00",
        "lat": 37.07290330000000011523297871463000774383544921875,
        "lon": 23.1958300000000008367351256310939788818359375
    },
    "last_point": {
        "ts": "2026-02-18T01:25:21+00:00",
        "lat": 37.0447199999999980946085997857153415679931640625,
        "lon": 23.256139999999998480006979661993682384490966796875
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 17:05 UTC 75/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 46 meters
  • Average Distance: 62 meters
  • Duration: 30 minutes
  • Period: 2026-02-17T17:05:22+00:00 to 2026-02-17T17:36:11+00:00
  • Vessel A Avg Speed: 0.3 knots
  • Vessel B Avg Speed: 0.3 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 46m, avg 62m) for 31 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 46m, avg 62m
Duration5/25Duration 31 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±16m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T23:45:07.368408+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 46.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 61.60000000000000142108547152020037174224853515625,
    "distance_consistency_m": 16.300000000000000710542735760100185871124267578125,
    "duration_minutes": 30.800000000000000710542735760100185871124267578125,
    "overlap_duration_s": 1849,
    "speed_a_avg": 0.25,
    "speed_a_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0.340000000000000024424906541753443889319896697998046875,
    "speed_b_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.25,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.340000000000000024424906541753443889319896697998046875,
            "max_sog": 0.5
        }
    },
    "time_window": {
        "start": "2026-02-17T17:05:22+00:00",
        "end": "2026-02-17T17:36:11+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 46m, avg 62m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 31 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b116m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 46m, avg 62m) for 31 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.0698928999999992583980201743543148040771484375,
            "lon": 23.1758458999999987781848176382482051849365234375
        },
        "time_window": {
            "start_ts": "2026-02-17T17:05:22+00:00",
            "end_ts": "2026-02-17T17:36:11+00:00"
        },
        "searched_at": "2026-02-17T23:45:07.368408+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 17:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 163 AIS positions
  • Period: 2026-02-17T17:50:12+00:00 to 2026-02-18T00:28:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397.80000000000001136868377216160297393798828125,
    "points_in_zone": 163,
    "first_point": {
        "ts": "2026-02-17T17:50:12+00:00",
        "lat": 37.06933500000000236695996136404573917388916015625,
        "lon": 23.179424999999998391331246239133179187774658203125
    },
    "last_point": {
        "ts": "2026-02-18T00:28:01+00:00",
        "lat": 37.03414169999999927540557109750807285308837890625,
        "lon": 23.23852169999999972560544847510755062103271484375
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 17, 2026 17:00 UTC 75.0% ▼
  • Duration: 1h 31m
  • Radius: 1,161 meters
  • Data Points: 37 AIS positions
  • Centroid: 37.0701, 23.1833
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1160.5,
    "duration_minutes": 91.2000000000000028421709430404007434844970703125,
    "points": 37,
    "centroid": {
        "lat": 37.0701131972972888206641073338687419891357421875,
        "lon": 23.1832536891891862751435837708413600921630859375
    },
    "bbox": {
        "min_lat": 37.06923669999999759738784632645547389984130859375,
        "min_lon": 23.17586000000000012732925824820995330810546875,
        "max_lat": 37.07290330000000011523297871463000774383544921875,
        "max_lon": 23.1958300000000008367351256310939788818359375
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 17, 2026 16:38 UTC 75.0% ▼
  • Duration: 1h 52m
  • Radius: 1,157 meters
  • Data Points: 45 AIS positions
  • Centroid: 37.0697, 23.1802
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1157.40000000000009094947017729282379150390625,
    "duration_minutes": 112.7000000000000028421709430404007434844970703125,
    "points": 45,
    "centroid": {
        "lat": 37.06968107555555747012476786039769649505615234375,
        "lon": 23.180229960000001909747879835776984691619873046875
    },
    "bbox": {
        "min_lat": 37.0679482999999976300387061201035976409912109375,
        "min_lon": 23.172695000000000931095200940035283565521240234375,
        "max_lat": 37.07217829999999736401150585152208805084228515625,
        "max_lon": 23.192866699999999724468580097891390323638916015625
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 16:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 38m
  • Data Points: 163 AIS positions
  • Period: 2026-02-17T16:50:51+00:00 to 2026-02-17T23:29:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 398.5,
    "points_in_zone": 163,
    "first_point": {
        "ts": "2026-02-17T16:50:51+00:00",
        "lat": 37.0679482999999976300387061201035976409912109375,
        "lon": 23.172695000000000931095200940035283565521240234375
    },
    "last_point": {
        "ts": "2026-02-17T23:29:21+00:00",
        "lat": 37.03616670000000254958649748004972934722900390625,
        "lon": 23.209883300000001327134668827056884765625
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 16:01 UTC 82/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 39 meters
  • Average Distance: 71 meters
  • Duration: 1h 34m
  • Period: 2026-02-17T16:01:52+00:00 to 2026-02-17T17:36:11+00:00
  • Vessel A Avg Speed: 0.6 knots
  • Vessel B Avg Speed: 0.6 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 82/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 39m, avg 71m) for 94 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 Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 39m, avg 71m
Duration20/25Duration 94 minutes
Speed Stability15/20both very slow; stable speeds
Distance Consistency12/15Distance variance ±37m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T22:45:06.294620+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 38.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 70.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 36.60000000000000142108547152020037174224853515625,
    "duration_minutes": 94.2999999999999971578290569595992565155029296875,
    "overlap_duration_s": 5659,
    "speed_a_avg": 0.57999999999999996003197111349436454474925994873046875,
    "speed_a_std": 0.340000000000000024424906541753443889319896697998046875,
    "speed_b_avg": 0.61999999999999999555910790149937383830547332763671875,
    "speed_b_std": 0.299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.57999999999999996003197111349436454474925994873046875,
            "max_sog": 1.1999999999999999555910790149937383830547332763671875
        },
        "vessel_b": {
            "avg_sog": 0.61999999999999999555910790149937383830547332763671875,
            "max_sog": 1.1999999999999999555910790149937383830547332763671875
        }
    },
    "time_window": {
        "start": "2026-02-17T16:01:52+00:00",
        "end": "2026-02-17T17:36:11+00:00"
    },
    "points_count": {
        "vessel_a": 38,
        "vessel_b": 38
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 82,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 39m, avg 71m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 94 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both very slow; stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b137m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 39m, avg 71m) for 94 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 Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.066324100000002772503648884594440460205078125,
            "lon": 23.170580999999998539351508952677249908447265625
        },
        "time_window": {
            "start_ts": "2026-02-17T16:01:52+00:00",
            "end_ts": "2026-02-17T17:36:11+00:00"
        },
        "searched_at": "2026-02-17T22:45:06.294620+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 15:09 UTC 87/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 27 meters
  • Average Distance: 66 meters
  • Duration: 2h 27m
  • Period: 2026-02-17T15:09:02+00:00 to 2026-02-17T17:36:11+00:00
  • Vessel A Avg Speed: 0.6 knots
  • Vessel B Avg Speed: 0.6 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 87/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 27m, avg 66m) for 147 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 Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 27m, avg 66m
Duration25/25Duration 147 minutes
Speed Stability15/20both very slow; stable speeds
Distance Consistency12/15Distance variance ±33m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T21:45:08.979757+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 27.199999999999999289457264239899814128875732421875,
    "avg_distance_m": 65.7999999999999971578290569595992565155029296875,
    "distance_consistency_m": 33.10000000000000142108547152020037174224853515625,
    "duration_minutes": 147.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 8829,
    "speed_a_avg": 0.58999999999999996891375531049561686813831329345703125,
    "speed_a_std": 0.309999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 0.61999999999999999555910790149937383830547332763671875,
    "speed_b_std": 0.2800000000000000266453525910037569701671600341796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.58999999999999996891375531049561686813831329345703125,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 0.61999999999999999555910790149937383830547332763671875,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-02-17T15:09:02+00:00",
        "end": "2026-02-17T17:36:11+00:00"
    },
    "points_count": {
        "vessel_a": 60,
        "vessel_b": 60
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 87,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 27m, avg 66m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 147 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both very slow; stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b133m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 27m, avg 66m) for 147 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 Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.0634639000000021269443095661699771881103515625,
            "lon": 23.16579589999999910787664703093469142913818359375
        },
        "time_window": {
            "start_ts": "2026-02-17T15:09:02+00:00",
            "end_ts": "2026-02-17T17:36:11+00:00"
        },
        "searched_at": "2026-02-17T21:45:08.979757+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 15:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 162 AIS positions
  • Period: 2026-02-17T15:52:12+00:00 to 2026-02-17T22:29:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397,
    "points_in_zone": 162,
    "first_point": {
        "ts": "2026-02-17T15:52:12+00:00",
        "lat": 37.0596450000000032787283998914062976837158203125,
        "lon": 23.160938300000001532907845103181898593902587890625
    },
    "last_point": {
        "ts": "2026-02-17T22:29:12+00:00",
        "lat": 37.04784500000000235786501434631645679473876953125,
        "lon": 23.2132332999999988487616064958274364471435546875
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 17, 2026 15:01 UTC 75.0% ▼
  • Duration: 2h 31m
  • Radius: 1,348 meters
  • Data Points: 61 AIS positions
  • Centroid: 37.0667, 23.1733
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1347.90000000000009094947017729282379150390625,
    "duration_minutes": 151.19999999999998863131622783839702606201171875,
    "points": 61,
    "centroid": {
        "lat": 37.06669425737705836354507482610642910003662109375,
        "lon": 23.17328032295082351765813655219972133636474609375
    },
    "bbox": {
        "min_lat": 37.0596450000000032787283998914062976837158203125,
        "min_lon": 23.160938300000001532907845103181898593902587890625,
        "max_lat": 37.06998829999999855999703868292272090911865234375,
        "max_lon": 23.185596700000001391117621096782386302947998046875
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Sts Laconian Gulf STS Zone
Feb 17, 2026 14:59 UTC 83/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 27 meters
  • Average Distance: 78 meters
  • Duration: 2h 36m
  • Period: 2026-02-17T14:59:31+00:00 to 2026-02-17T17:36:11+00:00
  • Vessel A Avg Speed: 0.6 knots
  • Vessel B Avg Speed: 0.7 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 83/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 27m, avg 78m) for 157 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.7 knots). Moderate distance variation observed during the encounter. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 27m, avg 78m
Duration25/25Duration 157 minutes
Speed Stability15/20both very slow; stable speeds
Distance Consistency8/15Distance variance ±62m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 27.199999999999999289457264239899814128875732421875,
    "avg_distance_m": 77.5,
    "distance_consistency_m": 61.7000000000000028421709430404007434844970703125,
    "duration_minutes": 156.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 9400,
    "speed_a_avg": 0.63000000000000000444089209850062616169452667236328125,
    "speed_a_std": 0.340000000000000024424906541753443889319896697998046875,
    "speed_b_avg": 0.66000000000000003108624468950438313186168670654296875,
    "speed_b_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.63000000000000000444089209850062616169452667236328125,
            "max_sog": 1.399999999999999911182158029987476766109466552734375
        },
        "vessel_b": {
            "avg_sog": 0.66000000000000003108624468950438313186168670654296875,
            "max_sog": 1.3000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-02-17T14:59:31+00:00",
        "end": "2026-02-17T17:36:11+00:00"
    },
    "points_count": {
        "vessel_a": 64,
        "vessel_b": 64
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 83,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 27m, avg 78m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 157 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both very slow; stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b162m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 27m, avg 78m) for 157 minutes. Both vessels were slow-moving (avg speeds 0.6 and 0.7 knots). Moderate distance variation observed during the encounter. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 17, 2026 14:46 UTC 75.0% ▼
  • Duration: 1h 49m
  • Radius: 1,154 meters
  • Data Points: 46 AIS positions
  • Centroid: 37.0586, 23.1589
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1154.299999999999954525264911353588104248046875,
    "duration_minutes": 109,
    "points": 46,
    "centroid": {
        "lat": 37.05857840434781991234558518044650554656982421875,
        "lon": 23.158883578260873292720134486444294452667236328125
    },
    "bbox": {
        "min_lat": 37.05238669999999956417013891041278839111328125,
        "min_lon": 23.149488300000001572698238305747509002685546875,
        "max_lat": 37.06484999999999985220711096189916133880615234375,
        "max_lon": 23.16923669999999901847331784665584564208984375
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 14:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 35m
  • Data Points: 163 AIS positions
  • Period: 2026-02-17T14:52:32+00:00 to 2026-02-17T21:28:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 395.5,
    "points_in_zone": 163,
    "first_point": {
        "ts": "2026-02-17T14:52:32+00:00",
        "lat": 37.05238669999999956417013891041278839111328125,
        "lon": 23.15291669999999868423401494510471820831298828125
    },
    "last_point": {
        "ts": "2026-02-17T21:28:02+00:00",
        "lat": 37.086731700000001410444383509457111358642578125,
        "lon": 23.27047830000000061545506468974053859710693359375
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 13:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 38m
  • Data Points: 158 AIS positions
  • Period: 2026-02-17T13:50:12+00:00 to 2026-02-17T20:28:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 398.6000000000000227373675443232059478759765625,
    "points_in_zone": 158,
    "first_point": {
        "ts": "2026-02-17T13:50:12+00:00",
        "lat": 37.1165467000000006692062015645205974578857421875,
        "lon": 23.16756170000000025765984901227056980133056640625
    },
    "last_point": {
        "ts": "2026-02-17T20:28:51+00:00",
        "lat": 37.0820767000000017787897377274930477142333984375,
        "lon": 23.234564999999999912461134954355657100677490234375
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 12:02 UTC 80/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 11 meters
  • Average Distance: 57 meters
  • Duration: 1h 24m
  • Period: 2026-02-17T12:02:32+00:00 to 2026-02-17T13:27:22+00:00
  • Vessel A Avg Speed: 1.2 knots
  • Vessel B Avg Speed: 1.2 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 80/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 57m) for 85 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 11m, avg 57m
Duration15/25Duration 85 minutes
Speed Stability15/20both slow; very stable speeds
Distance Consistency15/15Distance variance ±26m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T18:45:07.028505+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.4000000000000003552713678800500929355621337890625,
    "avg_distance_m": 56.89999999999999857891452847979962825775146484375,
    "distance_consistency_m": 26.39999999999999857891452847979962825775146484375,
    "duration_minutes": 84.7999999999999971578290569595992565155029296875,
    "overlap_duration_s": 5090,
    "speed_a_avg": 1.189999999999999946709294817992486059665679931640625,
    "speed_a_std": 0.2800000000000000266453525910037569701671600341796875,
    "speed_b_avg": 1.229999999999999982236431605997495353221893310546875,
    "speed_b_std": 0.289999999999999980015985556747182272374629974365234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.189999999999999946709294817992486059665679931640625,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 1.229999999999999982236431605997495353221893310546875,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-02-17T12:02:32+00:00",
        "end": "2026-02-17T13:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 36,
        "vessel_b": 36
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 11m, avg 57m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 85 minutes"
            },
            "speed_stability": {
                "score": 15,
                "max": 20,
                "detail": "both slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b126m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 57m) for 85 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.12841689999999772453520563431084156036376953125,
            "lon": 23.163295000000001522266757092438638210296630859375
        },
        "time_window": {
            "start_ts": "2026-02-17T12:02:32+00:00",
            "end_ts": "2026-02-17T13:27:22+00:00"
        },
        "searched_at": "2026-02-17T18:45:07.028505+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 12:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 36m
  • Data Points: 155 AIS positions
  • Period: 2026-02-17T12:51:51+00:00 to 2026-02-17T19:28:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 396.69999999999998863131622783839702606201171875,
    "points_in_zone": 155,
    "first_point": {
        "ts": "2026-02-17T12:51:51+00:00",
        "lat": 37.12937670000000167647158377803862094879150390625,
        "lon": 23.165683300000001310081643168814480304718017578125
    },
    "last_point": {
        "ts": "2026-02-17T19:28:31+00:00",
        "lat": 37.07635499999999950659912428818643093109130859375,
        "lon": 23.21246670000000023037500795908272266387939453125
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 11:03 UTC 87/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 11 meters
  • Average Distance: 58 meters
  • Duration: 2h 24m
  • Period: 2026-02-17T11:03:12+00:00 to 2026-02-17T13:27:22+00:00
  • Vessel A Avg Speed: 1.1 knots
  • Vessel B Avg Speed: 1.2 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 87/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 58m) for 144 minutes. Both vessels were slow-moving (avg speeds 1.1 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 11m, avg 58m
Duration25/25Duration 144 minutes
Speed Stability12/20both slow; stable speeds
Distance Consistency15/15Distance variance ±23m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T17:45:06.575760+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.4000000000000003552713678800500929355621337890625,
    "avg_distance_m": 58.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 22.800000000000000710542735760100185871124267578125,
    "duration_minutes": 144.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 8650,
    "speed_a_avg": 1.12000000000000010658141036401502788066864013671875,
    "speed_a_std": 0.309999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 1.1799999999999999378275106209912337362766265869140625,
    "speed_b_std": 0.299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.12000000000000010658141036401502788066864013671875,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 1.1799999999999999378275106209912337362766265869140625,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-02-17T11:03:12+00:00",
        "end": "2026-02-17T13:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 60,
        "vessel_b": 60
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 87,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 11m, avg 58m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 144 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b123m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 58m) for 144 minutes. Both vessels were slow-moving (avg speeds 1.1 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.12069869999999838228177395649254322052001953125,
            "lon": 23.158359300000000757790985517203807830810546875
        },
        "time_window": {
            "start_ts": "2026-02-17T11:03:12+00:00",
            "end_ts": "2026-02-17T13:27:22+00:00"
        },
        "searched_at": "2026-02-17T17:45:06.575760+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 11:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 38m
  • Data Points: 156 AIS positions
  • Period: 2026-02-17T11:50:21+00:00 to 2026-02-17T18:28:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 398.5,
    "points_in_zone": 156,
    "first_point": {
        "ts": "2026-02-17T11:50:21+00:00",
        "lat": 37.1145216999999973950252751819789409637451171875,
        "lon": 23.154419999999998225348463165573775768280029296875
    },
    "last_point": {
        "ts": "2026-02-17T18:28:51+00:00",
        "lat": 37.070511699999997290433384478092193603515625,
        "lon": 23.18739000000000061163518694229423999786376953125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 10:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 156 AIS positions
  • Period: 2026-02-17T10:51:22+00:00 to 2026-02-17T17:28:22+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397,
    "points_in_zone": 156,
    "first_point": {
        "ts": "2026-02-17T10:51:22+00:00",
        "lat": 37.10128670000000283835106529295444488525390625,
        "lon": 23.14561499999999938381733954884111881256103515625
    },
    "last_point": {
        "ts": "2026-02-17T17:28:22+00:00",
        "lat": 37.0697899999999975761966197751462459564208984375,
        "lon": 23.176616700000000292902768705971539020538330078125
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 10:01 UTC 87/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 11 meters
  • Average Distance: 62 meters
  • Duration: 3h 25m
  • Period: 2026-02-17T10:01:30+00:00 to 2026-02-17T13:27:22+00:00
  • Vessel A Avg Speed: 1.1 knots
  • Vessel B Avg Speed: 1.2 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 87/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 62m) for 206 minutes. Both vessels were slow-moving (avg speeds 1.1 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 11m, avg 62m
Duration25/25Duration 206 minutes
Speed Stability12/20both slow; stable speeds
Distance Consistency15/15Distance variance ±24m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T16:45:06.812465+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.4000000000000003552713678800500929355621337890625,
    "avg_distance_m": 62.10000000000000142108547152020037174224853515625,
    "distance_consistency_m": 24,
    "duration_minutes": 205.900000000000005684341886080801486968994140625,
    "overlap_duration_s": 12352,
    "speed_a_avg": 1.12000000000000010658141036401502788066864013671875,
    "speed_a_std": 0.34999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 1.1799999999999999378275106209912337362766265869140625,
    "speed_b_std": 0.330000000000000015543122344752191565930843353271484375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.12000000000000010658141036401502788066864013671875,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        },
        "vessel_b": {
            "avg_sog": 1.1799999999999999378275106209912337362766265869140625,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-02-17T10:01:30+00:00",
        "end": "2026-02-17T13:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 74,
        "vessel_b": 74
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 87,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 11m, avg 62m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 206 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b124m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 62m) for 206 minutes. Both vessels were slow-moving (avg speeds 1.1 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.11762900000000087175067164935171604156494140625,
            "lon": 23.155174599999998719113136758096516132354736328125
        },
        "time_window": {
            "start_ts": "2026-02-17T10:01:30+00:00",
            "end_ts": "2026-02-17T13:27:22+00:00"
        },
        "searched_at": "2026-02-17T16:45:06.812465+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 09:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 36m
  • Data Points: 158 AIS positions
  • Period: 2026-02-17T09:51:21+00:00 to 2026-02-17T16:28:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 396.69999999999998863131622783839702606201171875,
    "points_in_zone": 158,
    "first_point": {
        "ts": "2026-02-17T09:51:21+00:00",
        "lat": 37.1149199999999979127096594311296939849853515625,
        "lon": 23.137938299999998292832970037125051021575927734375
    },
    "last_point": {
        "ts": "2026-02-17T16:28:02+00:00",
        "lat": 37.06327999999999889269020059145987033843994140625,
        "lon": 23.1670850000000001500666257925331592559814453125
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 09:02 UTC 87/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 11 meters
  • Average Distance: 62 meters
  • Duration: 4h 24m
  • Period: 2026-02-17T09:02:32+00:00 to 2026-02-17T13:27:22+00:00
  • Vessel A Avg Speed: 1.2 knots
  • Vessel B Avg Speed: 1.2 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 87/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 62m) for 265 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 11m, avg 62m
Duration25/25Duration 265 minutes
Speed Stability12/20both slow; stable speeds
Distance Consistency15/15Distance variance ±23m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T15:45:06.369318+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.4000000000000003552713678800500929355621337890625,
    "avg_distance_m": 62.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 23.199999999999999289457264239899814128875732421875,
    "duration_minutes": 264.80000000000001136868377216160297393798828125,
    "overlap_duration_s": 15890,
    "speed_a_avg": 1.1599999999999999200639422269887290894985198974609375,
    "speed_a_std": 0.340000000000000024424906541753443889319896697998046875,
    "speed_b_avg": 1.2199999999999999733546474089962430298328399658203125,
    "speed_b_std": 0.320000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.1599999999999999200639422269887290894985198974609375,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        },
        "vessel_b": {
            "avg_sog": 1.2199999999999999733546474089962430298328399658203125,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-02-17T09:02:32+00:00",
        "end": "2026-02-17T13:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 98,
        "vessel_b": 98
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 87,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 11m, avg 62m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 265 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b123m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 62m) for 265 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.1163485000000008540155249647796154022216796875,
            "lon": 23.15265550000000160935087478719651699066162109375
        },
        "time_window": {
            "start_ts": "2026-02-17T09:02:32+00:00",
            "end_ts": "2026-02-17T13:27:22+00:00"
        },
        "searched_at": "2026-02-17T15:45:06.369318+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Loiter Laconian Gulf STS Zone
Feb 17, 2026 08:43 UTC 75.0% ▼
  • Duration: 1h 33m
  • Radius: 1,380 meters
  • Data Points: 40 AIS positions
  • Centroid: 37.1092, 23.1455
  • Zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "radius_m": 1379.90000000000009094947017729282379150390625,
    "duration_minutes": 93.5,
    "points": 40,
    "centroid": {
        "lat": 37.10923091000000795247615315020084381103515625,
        "lon": 23.145528332500003187988113495521247386932373046875
    },
    "bbox": {
        "min_lat": 37.09989329999999796427800902165472507476806640625,
        "min_lon": 23.136566699999999485726220882497727870941162109375,
        "max_lat": 37.11586330000000089057721197605133056640625,
        "max_lon": 23.15577830000000147947503137402236461639404296875
    },
    "zone_id": "osint_laconian_gulf"
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 08:05 UTC 87/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 11 meters
  • Average Distance: 60 meters
  • Duration: 5h 21m
  • Period: 2026-02-17T08:05:40+00:00 to 2026-02-17T13:27:22+00:00
  • Vessel A Avg Speed: 1.2 knots
  • Vessel B Avg Speed: 1.2 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 87/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 60m) for 322 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 11m, avg 60m
Duration25/25Duration 322 minutes
Speed Stability12/20both slow; stable speeds
Distance Consistency15/15Distance variance ±24m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T14:45:07.381355+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.4000000000000003552713678800500929355621337890625,
    "avg_distance_m": 60.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 23.5,
    "duration_minutes": 321.69999999999998863131622783839702606201171875,
    "overlap_duration_s": 19302,
    "speed_a_avg": 1.1699999999999999289457264239899814128875732421875,
    "speed_a_std": 0.309999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 1.20999999999999996447286321199499070644378662109375,
    "speed_b_std": 0.289999999999999980015985556747182272374629974365234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.1699999999999999289457264239899814128875732421875,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        },
        "vessel_b": {
            "avg_sog": 1.20999999999999996447286321199499070644378662109375,
            "max_sog": 1.8000000000000000444089209850062616169452667236328125
        }
    },
    "time_window": {
        "start": "2026-02-17T08:05:40+00:00",
        "end": "2026-02-17T13:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 122,
        "vessel_b": 122
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 87,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 11m, avg 60m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 322 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b124m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 60m) for 322 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.11255729999999886103978496976196765899658203125,
            "lon": 23.153666799999999881265466683544218540191650390625
        },
        "time_window": {
            "start_ts": "2026-02-17T08:05:40+00:00",
            "end_ts": "2026-02-17T13:27:22+00:00"
        },
        "searched_at": "2026-02-17T14:45:07.381355+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 08:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 158 AIS positions
  • Period: 2026-02-17T08:50:42+00:00 to 2026-02-17T15:28:12+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397.5,
    "points_in_zone": 158,
    "first_point": {
        "ts": "2026-02-17T08:50:42+00:00",
        "lat": 37.10210500000000166664904099889099597930908203125,
        "lon": 23.154411700000000706722858012653887271881103515625
    },
    "last_point": {
        "ts": "2026-02-17T15:28:12+00:00",
        "lat": 37.05797499999999899955582804977893829345703125,
        "lon": 23.15635830000000083828126662410795688629150390625
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Laconian Gulf STS Zone
Feb 17, 2026 07:10 UTC 87/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 11 meters
  • Average Distance: 61 meters
  • Duration: 6h 16m
  • Period: 2026-02-17T07:10:51+00:00 to 2026-02-17T13:27:22+00:00
  • Vessel A Avg Speed: 1.2 knots
  • Vessel B Avg Speed: 1.3 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 87/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 61m) for 376 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 11m, avg 61m
Duration25/25Duration 376 minutes
Speed Stability12/20both slow; stable speeds
Distance Consistency15/15Distance variance ±27m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-02-17T13:45:07.224385+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.4000000000000003552713678800500929355621337890625,
    "avg_distance_m": 61.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 26.699999999999999289457264239899814128875732421875,
    "duration_minutes": 376.5,
    "overlap_duration_s": 22591,
    "speed_a_avg": 1.20999999999999996447286321199499070644378662109375,
    "speed_a_std": 0.309999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 1.2600000000000000088817841970012523233890533447265625,
    "speed_b_std": 0.299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.20999999999999996447286321199499070644378662109375,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        },
        "vessel_b": {
            "avg_sog": 1.2600000000000000088817841970012523233890533447265625,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-02-17T07:10:51+00:00",
        "end": "2026-02-17T13:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 143,
        "vessel_b": 143
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 87,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 11m, avg 61m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 376 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b127m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 61m) for 376 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 37.1078509999999965884853736497461795806884765625,
            "lon": 23.1565168999999997367922333069145679473876953125
        },
        "time_window": {
            "start_ts": "2026-02-17T07:10:51+00:00",
            "end_ts": "2026-02-17T13:27:22+00:00"
        },
        "searched_at": "2026-02-17T13:45:07.224385+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 07:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 34m
  • Data Points: 158 AIS positions
  • Period: 2026-02-17T07:52:22+00:00 to 2026-02-17T14:26:20+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 394,
    "points_in_zone": 158,
    "first_point": {
        "ts": "2026-02-17T07:52:22+00:00",
        "lat": 37.08530999999999977490006131120026111602783203125,
        "lon": 23.168413300000000987211024039424955844879150390625
    },
    "last_point": {
        "ts": "2026-02-17T14:26:20+00:00",
        "lat": 37.07162170000000145364538184367120265960693359375,
        "lon": 23.174385000000000900399754755198955535888671875
    }
}
Methodology: 2026.01.18
Sts Laconian Gulf STS Zone
Feb 17, 2026 06:54 UTC 87/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9506162 (GAZ VENTURE) PANAMA
  • Minimum Distance: 11 meters
  • Average Distance: 61 meters
  • Duration: 6h 33m
  • Period: 2026-02-17T06:54:12+00:00 to 2026-02-17T13:27:22+00:00
  • Vessel A Avg Speed: 1.2 knots
  • Vessel B Avg Speed: 1.3 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 87/100

High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 61m) for 393 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 11m, avg 61m
Duration25/25Duration 393 minutes
Speed Stability12/20both slow; stable speeds
Distance Consistency15/15Distance variance ±27m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 356141000,
        "imo": 9506162,
        "name": "GAZ VENTURE",
        "flag": "PANAMA"
    },
    "min_distance_m": 11.4000000000000003552713678800500929355621337890625,
    "avg_distance_m": 61,
    "distance_consistency_m": 26.699999999999999289457264239899814128875732421875,
    "duration_minutes": 393.19999999999998863131622783839702606201171875,
    "overlap_duration_s": 23590,
    "speed_a_avg": 1.2199999999999999733546474089962430298328399658203125,
    "speed_a_std": 0.309999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 1.2600000000000000088817841970012523233890533447265625,
    "speed_b_std": 0.299999999999999988897769753748434595763683319091796875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 1.2199999999999999733546474089962430298328399658203125,
            "max_sog": 1.899999999999999911182158029987476766109466552734375
        },
        "vessel_b": {
            "avg_sog": 1.2600000000000000088817841970012523233890533447265625,
            "max_sog": 2
        }
    },
    "time_window": {
        "start": "2026-02-17T06:54:12+00:00",
        "end": "2026-02-17T13:27:22+00:00"
    },
    "points_count": {
        "vessel_a": 144,
        "vessel_b": 144
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 87,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 11m, avg 61m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 393 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both slow; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b127m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ VENTURE) maintained close proximity (min 11m, avg 61m) for 393 minutes. Both vessels were slow-moving (avg speeds 1.2 and 1.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Laconian Gulf STS Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 06:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 164 AIS positions
  • Period: 2026-02-17T06:52:02+00:00 to 2026-02-17T13:29:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397.80000000000001136868377216160297393798828125,
    "points_in_zone": 164,
    "first_point": {
        "ts": "2026-02-17T06:52:02+00:00",
        "lat": 37.066086699999999609644873999059200286865234375,
        "lon": 23.196241700000001628723111934959888458251953125
    },
    "last_point": {
        "ts": "2026-02-17T13:29:51+00:00",
        "lat": 37.13685000000000258069121628068387508392333984375,
        "lon": 23.165068300000001499938662163913249969482421875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 05:11 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 37m
  • Data Points: 165 AIS positions
  • Period: 2026-02-17T05:51:11+00:00 to 2026-02-17T12:28:22+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 397.19999999999998863131622783839702606201171875,
    "points_in_zone": 165,
    "first_point": {
        "ts": "2026-02-17T05:51:11+00:00",
        "lat": 36.979663299999998571365722455084323883056640625,
        "lon": 23.188296699999998651264832005836069583892822265625
    },
    "last_point": {
        "ts": "2026-02-17T12:28:22+00:00",
        "lat": 37.12378170000000210393409361131489276885986328125,
        "lon": 23.15972500000000167119651450775563716888427734375
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 04:03 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 33m
  • Data Points: 150 AIS positions
  • Period: 2026-02-17T04:44:11+00:00 to 2026-02-17T11:17:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 393.19999999999998863131622783839702606201171875,
    "points_in_zone": 150,
    "first_point": {
        "ts": "2026-02-17T04:44:11+00:00",
        "lat": 37.01223499999999688725438318215310573577880859375,
        "lon": 23.194038299999998997691363911144435405731201171875
    },
    "last_point": {
        "ts": "2026-02-17T11:17:21+00:00",
        "lat": 37.103780000000000427462509833276271820068359375,
        "lon": 23.148721699999999401597960968501865863800048828125
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 03:00 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 38m
  • Data Points: 150 AIS positions
  • Period: 2026-02-17T03:50:51+00:00 to 2026-02-17T10:29:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 398.5,
    "points_in_zone": 150,
    "first_point": {
        "ts": "2026-02-17T03:50:51+00:00",
        "lat": 37.0094849999999979672793415375053882598876953125,
        "lon": 23.20543169999999832953108125366270542144775390625
    },
    "last_point": {
        "ts": "2026-02-17T10:29:21+00:00",
        "lat": 37.09328000000000002955857780762016773223876953125,
        "lon": 23.1389199999999988222043612040579319000244140625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 02:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 35m
  • Data Points: 143 AIS positions
  • Period: 2026-02-17T02:54:11+00:00 to 2026-02-17T09:29:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 395.5,
    "points_in_zone": 143,
    "first_point": {
        "ts": "2026-02-17T02:54:11+00:00",
        "lat": 36.98550329999999775054675410501658916473388671875,
        "lon": 23.2264167000000014695615391246974468231201171875
    },
    "last_point": {
        "ts": "2026-02-17T09:29:42+00:00",
        "lat": 37.11370500000000305362846120260655879974365234375,
        "lon": 23.146711700000000888621798367239534854888916015625
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 17, 2026 01:39 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 31m
  • Data Points: 134 AIS positions
  • Period: 2026-02-17T01:58:31+00:00 to 2026-02-17T08:29:40+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 391.1000000000000227373675443232059478759765625,
    "points_in_zone": 134,
    "first_point": {
        "ts": "2026-02-17T01:58:31+00:00",
        "lat": 36.95535000000000280806489172391593456268310546875,
        "lon": 23.299343300000000311911207973025739192962646484375
    },
    "last_point": {
        "ts": "2026-02-17T08:29:40+00:00",
        "lat": 37.0958049999999985857357387430965900421142578125,
        "lon": 23.1585867000000007465132512152194976806640625
    }
}
Methodology: 2026.01.18
Ais Gap🛰️✓ Laconian Gulf STS Zone
Feb 16, 2026 19:43 UTC 70.0% ▼
  • Gap Duration: 5h 55m
  • Last Seen: 2026-02-16T19:43:22+00:00 at 37.0025, 23.2197 (Zone: Laconian Gulf STS Zone)
  • Next Seen: 2026-02-17T01:39:12+00:00 at 36.9457, 23.3300

🛰️ Gap Corroboration

🛰️ Imagery Available

These are snapshots that may corroborate presence during the gap. They do not reconstruct a continuous route.

SAR Imagery (Sentinel-1)

Status: ✓ Snapshot available

SAR snapshot available for review

Scene: S1A_IW_GRDH_1SDV_20260216T163137_20260216T163202_063247_07F0DC_EECA_COG • Time: 2026-02-16T16:31:37.575028Z

SAR preview

SAR coverage thumbnail

VIIRS Thermal Anomaly

Status: ✗ No detections

No VIIRS thermal/light detections in corridor

Searched: 2026-02-17T01:45:02.108085+00:00

Show Raw Evidence JSON
{
    "gap_minutes": 355.80000000000001136868377216160297393798828125,
    "last_seen": {
        "ts": "2026-02-16T19:43:22+00:00",
        "lat": 37.0025083000000023503162083216011524200439453125,
        "lon": 23.219656700000001592343323864042758941650390625,
        "sog": 2.79999999999999982236431605997495353221893310546875,
        "zone_id": "osint_laconian_gulf"
    },
    "next_seen": {
        "ts": "2026-02-17T01:39:12+00:00",
        "lat": 36.94572670000000158552211360074579715728759765625,
        "lon": 23.329968300000000880345396581105887889862060546875,
        "zone_ids": [
            "osint_laconian_gulf"
        ]
    },
    "gap_enrichment": {
        "status": "done",
        "corridor": {
            "start": {
                "lat": 37.0025083000000023503162083216011524200439453125,
                "lon": 23.219656700000001592343323864042758941650390625,
                "ts": "2026-02-16T19:43:22+00:00"
            },
            "end": {
                "lat": 36.94572670000000158552211360074579715728759765625,
                "lon": 23.329968300000000880345396581105887889862060546875,
                "ts": "2026-02-17T01:39:12+00:00"
            },
            "bbox": {
                "min_lat": 36.765546999999997979102772660553455352783203125,
                "min_lon": 22.994122999999998313569449237547814846038818359375,
                "max_lat": 37.1826879999999988513081916607916355133056640625,
                "max_lon": 23.555502000000000606405592407099902629852294921875
            },
            "buffer_km": 20
        },
        "sar": {
            "status": "snapshot",
            "scene_id": "S1A_IW_GRDH_1SDV_20260216T163137_20260216T163202_063247_07F0DC_EECA_COG",
            "scene_time": "2026-02-16T16:31:37.575028Z",
            "platform": "sentinel-1a",
            "assets": {
                "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/02\/event_113325_thumbnail_20260217014507.png",
                "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/02\/event_113325_thumbnail_20260217014507.png",
                "source": "copernicus_dataspace"
            },
            "notes": "SAR snapshot available for review"
        },
        "viirs": {
            "status": "not_found",
            "notes": "No VIIRS thermal\/light detections in corridor"
        },
        "searched_at": "2026-02-17T01:45:02.108085+00:00"
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 16, 2026 19:02 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 6h 32m
  • Data Points: 11 AIS positions
  • Period: 2026-02-16T19:43:22+00:00 to 2026-02-17T02:15:32+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 392.19999999999998863131622783839702606201171875,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-02-16T19:43:22+00:00",
        "lat": 37.0025083000000023503162083216011524200439453125,
        "lon": 23.219656700000001592343323864042758941650390625
    },
    "last_point": {
        "ts": "2026-02-17T02:15:32+00:00",
        "lat": 36.96374999999999744204615126363933086395263671875,
        "lon": 23.277106700000000927275323192588984966278076171875
    }
}
Methodology: 2026.01.18
Zone Dwell Laconian Gulf STS Zone
Feb 16, 2026 18:01 UTC 80.0% ▼
  • Zone: Laconian Gulf STS Zone
  • Duration: 1h 42m
  • Data Points: 41 AIS positions
  • Period: 2026-02-16T18:01:01+00:00 to 2026-02-16T19:43:22+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "dwell_minutes": 102.2999999999999971578290569595992565155029296875,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-02-16T18:01:01+00:00",
        "lat": 37.0844517000000024609107640571892261505126953125,
        "lon": 23.129683299999999945839590509422123432159423828125
    },
    "last_point": {
        "ts": "2026-02-16T19:43:22+00:00",
        "lat": 37.0025083000000023503162083216011524200439453125,
        "lon": 23.219656700000001592343323864042758941650390625
    }
}
Methodology: 2026.01.18
Sts🛰️? Laconian Gulf STS Zone
Feb 16, 2026 17:10 UTC 73/100 ▼
Vessel A: IMO 9941221 (JIRISAN EXPLORER) Liberia
Vessel B: IMO 9448487 (GAZ FRATERNITY) Panama
  • Minimum Distance: 49 meters
  • Average Distance: 70 meters
  • Duration: 43 minutes
  • Period: 2026-02-16T17:10:12+00:00 to 2026-02-16T17:53:52+00:00
  • Vessel A Avg Speed: 0.8 knots
  • Vessel B Avg Speed: 0.8 knots
  • Zone: Laconian Gulf STS Zone

Confidence Analysis

Score: 73/100

Moderate-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ FRATERNITY) maintained close proximity (min 49m, avg 70m) for 44 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 Laconian Gulf STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 49m, avg 70m
Duration5/25Duration 44 minutes
Speed Stability18/20both very slow; very stable speeds
Distance Consistency15/15Distance variance ±21m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Laconian Gulf STS Zone

🛰️ Satellite Corroboration

? SAR Inconclusive

Satellite imagery available but requires review

Preview available for manual review

Scene: S1A_IW_GRDH_1SDV_20260216T163137_20260216T163202_063247_07F0DC_EECA_COG • Acquired: 2026-02-16T16:31:37.575028Z • Platform: sentinel-1a
SAR satellite preview for event 113097

Click image to view full size

Searched: 2026-02-16T23:45:01.876650+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636022279,
        "imo": 9941221,
        "name": "JIRISAN EXPLORER",
        "flag": "Liberia"
    },
    "vessel_b": {
        "mmsi": 372668000,
        "imo": 9448487,
        "name": "GAZ FRATERNITY",
        "flag": "Panama"
    },
    "min_distance_m": 48.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 69.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 21,
    "duration_minutes": 43.7000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2620,
    "speed_a_avg": 0.82999999999999996003197111349436454474925994873046875,
    "speed_a_std": 0.13000000000000000444089209850062616169452667236328125,
    "speed_b_avg": 0.7800000000000000266453525910037569701671600341796875,
    "speed_b_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.82999999999999996003197111349436454474925994873046875,
            "max_sog": 1.100000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.7800000000000000266453525910037569701671600341796875,
            "max_sog": 0.90000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-02-16T17:10:12+00:00",
        "end": "2026-02-16T17:53:52+00:00"
    },
    "points_count": {
        "vessel_a": 17,
        "vessel_b": 17
    },
    "zone_id": "osint_laconian_gulf",
    "zone_name": "Laconian Gulf STS Zone",
    "score": {
        "value": 73,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 49m, avg 70m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 44 minutes"
            },
            "speed_stability": {
                "score": 18,
                "max": 20,
                "detail": "both very slow; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b121m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Laconian Gulf STS Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (JIRISAN EXPLORER and GAZ FRATERNITY) maintained close proximity (min 49m, avg 70m) for 44 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 Laconian Gulf STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "inconclusive",
        "centroid": {
            "lat": 37.093720300000001088847056962549686431884765625,
            "lon": 23.130356899999998887551555526442825794219970703125
        },
        "time_window": {
            "start_ts": "2026-02-16T17:10:12+00:00",
            "end_ts": "2026-02-16T17:53:52+00:00"
        },
        "searched_at": "2026-02-16T23:45:01.876650+00:00",
        "scene_id": "S1A_IW_GRDH_1SDV_20260216T163137_20260216T163202_063247_07F0DC_EECA_COG",
        "scene_datetime": "2026-02-16T16:31:37.575028Z",
        "platform": "sentinel-1a",
        "bbox": {
            "min_lon": 20.118427000000000504087438457645475864410400390625,
            "min_lat": 36.2893370000000032860043575055897235870361328125,
            "max_lon": 23.387581000000000841509972815401852130889892578125,
            "max_lat": 38.2040209999999973433659761212766170501708984375
        },
        "assets": {
            "preview_url": "https:\/\/fleetleaks.com\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/02\/event_113097_thumbnail_20260216234507.png",
            "stored_path": "\/home\/fleetleaks\/public_html\/wp-content\/uploads\/fleetleaks-evidence\/sar-imagery\/2026\/02\/event_113097_thumbnail_20260216234507.png",
            "source": "copernicus_dataspace"
        },
        "notes": "Preview available for manual review"
    }
}
Methodology: 2026.01.18

Recent Position Data

Time (UTC) Lat Lon Speed Course Zone
May 8 15:28 -34.9123 18.3376 13.3 kn 109.1° Cape Peninsula Surveillance Zone
May 8 15:27 -34.9110 18.3334 13.2 kn 109.8° Cape Peninsula Surveillance Zone
May 8 15:24 -34.9075 18.3214 13.1 kn 109.5° Cape Peninsula Surveillance Zone
May 8 15:20 -34.9034 18.3073 12.5 kn 108.3° Cape Peninsula Surveillance Zone
May 8 15:16 -34.8980 18.2887 13.3 kn 109.2° Cape Peninsula Surveillance Zone
May 8 15:14 -34.8953 18.2796 12.9 kn 110.0° Cape Peninsula Surveillance Zone
May 8 15:12 -34.8931 18.2720 13.0 kn 109.5° Cape Peninsula Surveillance Zone
May 8 14:53 -34.8689 18.1930 13.4 kn 111.7° Cape Peninsula Surveillance Zone
May 8 14:48 -34.8635 18.1747 13.2 kn 111.2° Cape Peninsula Surveillance Zone
May 8 14:35 -34.8462 18.1190 12.9 kn 110.1° Cape Peninsula Surveillance Zone
May 8 14:25 -34.8348 18.0822 12.7 kn 109.9° Cape Peninsula Surveillance Zone

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.