DILOS

IMO 9460825

Vessel information

Vessel Name DILOS
IMO Number 9460825
MMSI 636014361
Vessel Type Tanker
Flag 🇱🇷 LIBERIA
Call Sign A8TI5
Length 90 m
Beam 20 m

Detected Events (100)

Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 19:04 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 4h 56m
  • Data Points: 10 AIS positions
  • Period: 2026-07-19T19:04:30+00:00 to 2026-07-20T00:00:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 296.3999999999999772626324556767940521240234375,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-07-19T19:04:30+00:00",
        "lat": 31.38713500000000067302607931196689605712890625,
        "lon": 32.28368329999999986057446221821010112762451171875
    },
    "last_point": {
        "ts": "2026-07-20T00:00:57+00:00",
        "lat": 31.384523300000001455600795452482998371124267578125,
        "lon": 32.273736700000000610089045949280261993408203125
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 18:22 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 38m
  • Data Points: 15 AIS positions
  • Period: 2026-07-19T18:22:48+00:00 to 2026-07-20T00:00:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 338.1000000000000227373675443232059478759765625,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-07-19T18:22:48+00:00",
        "lat": 31.405409999999999826059138285927474498748779296875,
        "lon": 32.2608733000000000856744009070098400115966796875
    },
    "last_point": {
        "ts": "2026-07-20T00:00:57+00:00",
        "lat": 31.384523300000001455600795452482998371124267578125,
        "lon": 32.273736700000000610089045949280261993408203125
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 17:01 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 26m
  • Data Points: 20 AIS positions
  • Period: 2026-07-19T17:34:51+00:00 to 2026-07-20T00:00:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 386.1000000000000227373675443232059478759765625,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-07-19T17:34:51+00:00",
        "lat": 31.405428300000000518821252626366913318634033203125,
        "lon": 32.2609183000000001584339770488440990447998046875
    },
    "last_point": {
        "ts": "2026-07-20T00:00:57+00:00",
        "lat": 31.384523300000001455600795452482998371124267578125,
        "lon": 32.273736700000000610089045949280261993408203125
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 17:01 UTC 75.0%
  • Duration: 1h 39m
  • Radius: 82 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.4055, 32.2609
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 82,
    "duration_minutes": 99.7999999999999971578290569595992565155029296875,
    "points": 12,
    "centroid": {
        "lat": 31.405492925000004333924152888357639312744140625,
        "lon": 32.26088485833333407981626805849373340606689453125
    },
    "bbox": {
        "min_lat": 31.4054067000000003417881089262664318084716796875,
        "min_lon": 32.26055999999999812644091434776782989501953125,
        "max_lat": 31.40617830000000054724296205677092075347900390625,
        "max_lon": 32.260975000000001955413608811795711517333984375
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 16:37 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 3h 8m
  • Data Points: 26 AIS positions
  • Period: 2026-07-19T16:37:48+00:00 to 2026-07-19T19:46:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 188.19999999999998863131622783839702606201171875,
    "points_in_zone": 26,
    "first_point": {
        "ts": "2026-07-19T16:37:48+00:00",
        "lat": 31.40546499999999952024154481478035449981689453125,
        "lon": 32.261020000000002028173184953629970550537109375
    },
    "last_point": {
        "ts": "2026-07-19T19:46:02+00:00",
        "lat": 31.377663299999998258726918720640242099761962890625,
        "lon": 32.31212670000000031222953111864626407623291015625
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 16:37 UTC 75.0%
  • Duration: 2h 3m
  • Radius: 84 meters
  • Data Points: 15 AIS positions
  • Centroid: 31.4055, 32.2609
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 83.7999999999999971578290569595992565155029296875,
    "duration_minutes": 123.7999999999999971578290569595992565155029296875,
    "points": 15,
    "centroid": {
        "lat": 31.40548511333333436823522788472473621368408203125,
        "lon": 32.26091100000000011505107977427542209625244140625
    },
    "bbox": {
        "min_lat": 31.4054067000000003417881089262664318084716796875,
        "min_lon": 32.26055999999999812644091434776782989501953125,
        "max_lat": 31.40617830000000054724296205677092075347900390625,
        "max_lon": 32.2610217000000005782567313872277736663818359375
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 15:25 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 4h 20m
  • Data Points: 31 AIS positions
  • Period: 2026-07-19T15:25:47+00:00 to 2026-07-19T19:46:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 260.19999999999998863131622783839702606201171875,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-07-19T15:25:47+00:00",
        "lat": 31.405446699999998827479430474340915679931640625,
        "lon": 32.26102329999999795973053551279008388519287109375
    },
    "last_point": {
        "ts": "2026-07-19T19:46:02+00:00",
        "lat": 31.377663299999998258726918720640242099761962890625,
        "lon": 32.31212670000000031222953111864626407623291015625
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 15:25 UTC 75.0%
  • Duration: 3h 15m
  • Radius: 86 meters
  • Data Points: 20 AIS positions
  • Centroid: 31.4055, 32.2609
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 85.7000000000000028421709430404007434844970703125,
    "duration_minutes": 195.900000000000005684341886080801486968994140625,
    "points": 20,
    "centroid": {
        "lat": 31.405476004999997030608938075602054595947265625,
        "lon": 32.26093691500000204541720449924468994140625
    },
    "bbox": {
        "min_lat": 31.4054067000000003417881089262664318084716796875,
        "min_lon": 32.26055999999999812644091434776782989501953125,
        "max_lat": 31.40617830000000054724296205677092075347900390625,
        "max_lon": 32.26105830000000196378096006810665130615234375
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 14:25 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 20m
  • Data Points: 34 AIS positions
  • Period: 2026-07-19T14:25:48+00:00 to 2026-07-19T19:46:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 320.19999999999998863131622783839702606201171875,
    "points_in_zone": 34,
    "first_point": {
        "ts": "2026-07-19T14:25:48+00:00",
        "lat": 31.40546499999999952024154481478035449981689453125,
        "lon": 32.2610633000000035508492146618664264678955078125
    },
    "last_point": {
        "ts": "2026-07-19T19:46:02+00:00",
        "lat": 31.377663299999998258726918720640242099761962890625,
        "lon": 32.31212670000000031222953111864626407623291015625
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 14:25 UTC 75.0%
  • Duration: 4h 15m
  • Radius: 86 meters
  • Data Points: 23 AIS positions
  • Centroid: 31.4055, 32.2610
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 86.400000000000005684341886080801486968994140625,
    "duration_minutes": 255.80000000000001136868377216160297393798828125,
    "points": 23,
    "centroid": {
        "lat": 31.40547587391304062975905253551900386810302734375,
        "lon": 32.2609529652173847580343135632574558258056640625
    },
    "bbox": {
        "min_lat": 31.4054067000000003417881089262664318084716796875,
        "min_lon": 32.26055999999999812644091434776782989501953125,
        "max_lat": 31.40617830000000054724296205677092075347900390625,
        "max_lon": 32.261093299999998862404027022421360015869140625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 12:16 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 29m
  • Data Points: 27 AIS positions
  • Period: 2026-07-19T12:34:47+00:00 to 2026-07-19T19:04:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 389.69999999999998863131622783839702606201171875,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-07-19T12:34:47+00:00",
        "lat": 31.405956700000000836325853015296161174774169921875,
        "lon": 32.2609216999999972586010699160397052764892578125
    },
    "last_point": {
        "ts": "2026-07-19T19:04:30+00:00",
        "lat": 31.38713500000000067302607931196689605712890625,
        "lon": 32.28368329999999986057446221821010112762451171875
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 12:16 UTC 75.0%
  • Duration: 6h 24m
  • Radius: 79 meters
  • Data Points: 27 AIS positions
  • Centroid: 31.4055, 32.2610
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 79.2000000000000028421709430404007434844970703125,
    "duration_minutes": 384.80000000000001136868377216160297393798828125,
    "points": 27,
    "centroid": {
        "lat": 31.40554877407407019518359447829425334930419921875,
        "lon": 32.26095271481481319142403663136065006256103515625
    },
    "bbox": {
        "min_lat": 31.4054067000000003417881089262664318084716796875,
        "min_lon": 32.26055999999999812644091434776782989501953125,
        "max_lat": 31.40617830000000054724296205677092075347900390625,
        "max_lon": 32.261093299999998862404027022421360015869140625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 10:40 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 33m
  • Data Points: 19 AIS positions
  • Period: 2026-07-19T10:40:48+00:00 to 2026-07-19T17:13:52+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-07-19T10:40:48+00:00",
        "lat": 31.4061717000000015787009033374488353729248046875,
        "lon": 32.26120329999999825076884008012712001800537109375
    },
    "last_point": {
        "ts": "2026-07-19T17:13:52+00:00",
        "lat": 31.405446699999998827479430474340915679931640625,
        "lon": 32.26095000000000112549969344399869441986083984375
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 10:40 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 66 meters
  • Data Points: 19 AIS positions
  • Centroid: 31.4056, 32.2610
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 66.099999999999994315658113919198513031005859375,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 19,
    "centroid": {
        "lat": 31.4055994842105263842313433997333049774169921875,
        "lon": 32.26100964736841802960043423809111118316650390625
    },
    "bbox": {
        "min_lat": 31.405423299999998931752998032607138156890869140625,
        "min_lon": 32.2609216999999972586010699160397052764892578125,
        "max_lat": 31.4061717000000015787009033374488353729248046875,
        "max_lon": 32.26120329999999825076884008012712001800537109375
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 09:49 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 9m
  • Data Points: 14 AIS positions
  • Period: 2026-07-19T09:49:47+00:00 to 2026-07-19T15:58:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 369,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-07-19T09:49:47+00:00",
        "lat": 31.4062617000000017242200556211173534393310546875,
        "lon": 32.2612850000000008776623872108757495880126953125
    },
    "last_point": {
        "ts": "2026-07-19T15:58:47+00:00",
        "lat": 31.405441700000000793124854681082069873809814453125,
        "lon": 32.26100999999999885403667576611042022705078125
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 09:49 UTC 75.0%
  • Duration: 6h 9m
  • Radius: 65 meters
  • Data Points: 14 AIS positions
  • Centroid: 31.4057, 32.2610
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 65.2000000000000028421709430404007434844970703125,
    "duration_minutes": 369,
    "points": 14,
    "centroid": {
        "lat": 31.405712399999995199095792486332356929779052734375,
        "lon": 32.26103904285714207844648626632988452911376953125
    },
    "bbox": {
        "min_lat": 31.405423299999998931752998032607138156890869140625,
        "min_lon": 32.2609216999999972586010699160397052764892578125,
        "max_lat": 31.4062617000000017242200556211173534393310546875,
        "max_lon": 32.2612850000000008776623872108757495880126953125
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 08:01 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 36m
  • Data Points: 9 AIS positions
  • Period: 2026-07-19T08:01:49+00:00 to 2026-07-19T14:37:49+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 396,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-07-19T08:01:49+00:00",
        "lat": 31.406355000000001354010237264446914196014404296875,
        "lon": 32.26130830000000315749275614507496356964111328125
    },
    "last_point": {
        "ts": "2026-07-19T14:37:49+00:00",
        "lat": 31.405499999999999971578290569595992565155029296875,
        "lon": 32.261093299999998862404027022421360015869140625
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 05:00 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 39m
  • Data Points: 6 AIS positions
  • Period: 2026-07-19T05:40:43+00:00 to 2026-07-19T12:19:49+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 399.1000000000000227373675443232059478759765625,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-07-19T05:40:43+00:00",
        "lat": 31.40640499999999946112438919954001903533935546875,
        "lon": 32.26135330000000323025233228690922260284423828125
    },
    "last_point": {
        "ts": "2026-07-19T12:19:49+00:00",
        "lat": 31.40596670000000045774868340231478214263916015625,
        "lon": 32.26095000000000112549969344399869441986083984375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 04:52 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 48m
  • Data Points: 9 AIS positions
  • Period: 2026-07-19T04:52:15+00:00 to 2026-07-19T10:40:48+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 348.6000000000000227373675443232059478759765625,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-07-19T04:52:15+00:00",
        "lat": 31.365648300000000148202161653898656368255615234375,
        "lon": 32.31311000000000177578840521164238452911376953125
    },
    "last_point": {
        "ts": "2026-07-19T10:40:48+00:00",
        "lat": 31.4061717000000015787009033374488353729248046875,
        "lon": 32.26120329999999825076884008012712001800537109375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 19, 2026 00:21 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 19m
  • Data Points: 7 AIS positions
  • Period: 2026-07-19T00:21:31+00:00 to 2026-07-19T05:40:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 319.19999999999998863131622783839702606201171875,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-07-19T00:21:31+00:00",
        "lat": 31.3653316999999987046976457349956035614013671875,
        "lon": 32.313074999999997771737980656325817108154296875
    },
    "last_point": {
        "ts": "2026-07-19T05:40:43+00:00",
        "lat": 31.40640499999999946112438919954001903533935546875,
        "lon": 32.26135330000000323025233228690922260284423828125
    }
}
Methodology: 2026.01.18
Sts Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 23:36 UTC 95/100
Vessel A: IMO 9460825 (DILOS) LIBERIA
Vessel B: IMO 9826732 (ADAM) LIBERIA
  • Minimum Distance: 45 meters
  • Average Distance: 52 meters
  • Duration: 5h 13m
  • Period: 2026-07-18T23:38:55+00:00 to 2026-07-19T04:52:15+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone

Confidence Analysis

Score: 95/100

High-confidence STS candidate. Two tankers (DILOS and ADAM) maintained close proximity (min 45m, avg 52m) for 313 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Black Sea Sanctioned Vessel Monitoring Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 45m, avg 52m
Duration25/25Duration 313 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±6m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636014361,
        "imo": 9460825,
        "name": "DILOS",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636018688,
        "imo": 9826732,
        "name": "ADAM",
        "flag": "LIBERIA"
    },
    "min_distance_m": 45.10000000000000142108547152020037174224853515625,
    "avg_distance_m": 51.5,
    "distance_consistency_m": 5.5,
    "duration_minutes": 313.30000000000001136868377216160297393798828125,
    "overlap_duration_s": 18800,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-18T23:38:55+00:00",
        "end": "2026-07-19T04:52:15+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 45m, avg 52m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 313 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b16m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Black Sea Sanctioned Vessel Monitoring Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DILOS and ADAM) maintained close proximity (min 45m, avg 52m) for 313 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Black Sea Sanctioned Vessel Monitoring Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 23:16 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 24m
  • Data Points: 11 AIS positions
  • Period: 2026-07-18T23:16:36+00:00 to 2026-07-19T05:40:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 384.1000000000000227373675443232059478759765625,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-07-18T23:16:36+00:00",
        "lat": 31.3632716999999985318936523981392383575439453125,
        "lon": 32.3245433000000019774233805947005748748779296875
    },
    "last_point": {
        "ts": "2026-07-19T05:40:43+00:00",
        "lat": 31.40640499999999946112438919954001903533935546875,
        "lon": 32.26135330000000323025233228690922260284423828125
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 17:06 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 1h 55m
  • Data Points: 6 AIS positions
  • Period: 2026-07-18T17:06:52+00:00 to 2026-07-18T19:02:37+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 115.7999999999999971578290569595992565155029296875,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-07-18T17:06:52+00:00",
        "lat": 31.45758670000000023492248146794736385345458984375,
        "lon": 32.30783170000000126265149447135627269744873046875
    },
    "last_point": {
        "ts": "2026-07-18T19:02:37+00:00",
        "lat": 31.45819829999999939218469080515205860137939453125,
        "lon": 32.30766330000000152722350321710109710693359375
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 18, 2026 17:06 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 2h 45m
  • Data Points: 17 AIS positions
  • Period: 2026-07-18T17:06:52+00:00 to 2026-07-18T19:52:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 165.80000000000001136868377216160297393798828125,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-07-18T17:06:52+00:00",
        "lat": 31.45758670000000023492248146794736385345458984375,
        "lon": 32.30783170000000126265149447135627269744873046875
    },
    "last_point": {
        "ts": "2026-07-18T19:52:39+00:00",
        "lat": 31.386765000000000469526639790274202823638916015625,
        "lon": 32.340478300000000899672158993780612945556640625
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 16:09 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 2h 52m
  • Data Points: 10 AIS positions
  • Period: 2026-07-18T16:09:53+00:00 to 2026-07-18T19:02:37+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 172.69999999999998863131622783839702606201171875,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-07-18T16:09:53+00:00",
        "lat": 31.457681699999998414796209544874727725982666015625,
        "lon": 32.3079283000000003767127054743468761444091796875
    },
    "last_point": {
        "ts": "2026-07-18T19:02:37+00:00",
        "lat": 31.45819829999999939218469080515205860137939453125,
        "lon": 32.30766330000000152722350321710109710693359375
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 18, 2026 16:09 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 3h 42m
  • Data Points: 21 AIS positions
  • Period: 2026-07-18T16:09:53+00:00 to 2026-07-18T19:52:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 222.80000000000001136868377216160297393798828125,
    "points_in_zone": 21,
    "first_point": {
        "ts": "2026-07-18T16:09:53+00:00",
        "lat": 31.457681699999998414796209544874727725982666015625,
        "lon": 32.3079283000000003767127054743468761444091796875
    },
    "last_point": {
        "ts": "2026-07-18T19:52:39+00:00",
        "lat": 31.386765000000000469526639790274202823638916015625,
        "lon": 32.340478300000000899672158993780612945556640625
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 16:09 UTC 75.0%
  • Duration: 2h 52m
  • Radius: 85 meters
  • Data Points: 10 AIS positions
  • Centroid: 31.4577, 32.3079
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 84.5,
    "duration_minutes": 172.69999999999998863131622783839702606201171875,
    "points": 10,
    "centroid": {
        "lat": 31.457705340000000404643287765793502330780029296875,
        "lon": 32.3079351500000058194927987642586231231689453125
    },
    "bbox": {
        "min_lat": 31.4575616999999994050085661001503467559814453125,
        "min_lon": 32.30766330000000152722350321710109710693359375,
        "max_lat": 31.45819829999999939218469080515205860137939453125,
        "max_lon": 32.3088182999999986577677191235125064849853515625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 18, 2026 16:09 UTC 75.0%
  • Duration: 2h 52m
  • Radius: 85 meters
  • Data Points: 10 AIS positions
  • Centroid: 31.4577, 32.3079
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 84.5,
    "duration_minutes": 172.69999999999998863131622783839702606201171875,
    "points": 10,
    "centroid": {
        "lat": 31.457705340000000404643287765793502330780029296875,
        "lon": 32.3079351500000058194927987642586231231689453125
    },
    "bbox": {
        "min_lat": 31.4575616999999994050085661001503467559814453125,
        "min_lon": 32.30766330000000152722350321710109710693359375,
        "max_lat": 31.45819829999999939218469080515205860137939453125,
        "max_lon": 32.3088182999999986577677191235125064849853515625
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 15:18 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 3h 43m
  • Data Points: 12 AIS positions
  • Period: 2026-07-18T15:18:56+00:00 to 2026-07-18T19:02:37+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 223.69999999999998863131622783839702606201171875,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-18T15:18:56+00:00",
        "lat": 31.45766330000000010613803169690072536468505859375,
        "lon": 32.30785829999999947403921396471560001373291015625
    },
    "last_point": {
        "ts": "2026-07-18T19:02:37+00:00",
        "lat": 31.45819829999999939218469080515205860137939453125,
        "lon": 32.30766330000000152722350321710109710693359375
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 18, 2026 15:18 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 4h 33m
  • Data Points: 23 AIS positions
  • Period: 2026-07-18T15:18:56+00:00 to 2026-07-18T19:52:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 273.69999999999998863131622783839702606201171875,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-07-18T15:18:56+00:00",
        "lat": 31.45766330000000010613803169690072536468505859375,
        "lon": 32.30785829999999947403921396471560001373291015625
    },
    "last_point": {
        "ts": "2026-07-18T19:52:39+00:00",
        "lat": 31.386765000000000469526639790274202823638916015625,
        "lon": 32.340478300000000899672158993780612945556640625
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 15:18 UTC 75.0%
  • Duration: 3h 43m
  • Radius: 85 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.4577, 32.3079
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 85.2999999999999971578290569595992565155029296875,
    "duration_minutes": 223.69999999999998863131622783839702606201171875,
    "points": 12,
    "centroid": {
        "lat": 31.457700700000003735112841241061687469482421875,
        "lon": 32.30792748333333719301663222722709178924560546875
    },
    "bbox": {
        "min_lat": 31.4575616999999994050085661001503467559814453125,
        "min_lon": 32.30766330000000152722350321710109710693359375,
        "max_lat": 31.45819829999999939218469080515205860137939453125,
        "max_lon": 32.3088182999999986577677191235125064849853515625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 18, 2026 15:18 UTC 75.0%
  • Duration: 3h 43m
  • Radius: 85 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.4577, 32.3079
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 85.2999999999999971578290569595992565155029296875,
    "duration_minutes": 223.69999999999998863131622783839702606201171875,
    "points": 12,
    "centroid": {
        "lat": 31.457700700000003735112841241061687469482421875,
        "lon": 32.30792748333333719301663222722709178924560546875
    },
    "bbox": {
        "min_lat": 31.4575616999999994050085661001503467559814453125,
        "min_lon": 32.30766330000000152722350321710109710693359375,
        "max_lat": 31.45819829999999939218469080515205860137939453125,
        "max_lon": 32.3088182999999986577677191235125064849853515625
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 12:26 UTC 75.0%
  • Duration: 5h 24m
  • Radius: 252 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.4576, 32.3082
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 252.400000000000005684341886080801486968994140625,
    "duration_minutes": 324.8999999999999772626324556767940521240234375,
    "points": 12,
    "centroid": {
        "lat": 31.4575750083333360862525296397507190704345703125,
        "lon": 32.308173874999994268364389427006244659423828125
    },
    "bbox": {
        "min_lat": 31.456689999999998264001987990923225879669189453125,
        "min_lon": 32.3077583000000032598109100945293903350830078125,
        "max_lat": 31.457795000000000840145730762742459774017333984375,
        "max_lon": 32.310620000000000118234311230480670928955078125
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 18, 2026 12:26 UTC 75.0%
  • Duration: 5h 24m
  • Radius: 252 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.4576, 32.3082
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 252.400000000000005684341886080801486968994140625,
    "duration_minutes": 324.8999999999999772626324556767940521240234375,
    "points": 12,
    "centroid": {
        "lat": 31.4575750083333360862525296397507190704345703125,
        "lon": 32.308173874999994268364389427006244659423828125
    },
    "bbox": {
        "min_lat": 31.456689999999998264001987990923225879669189453125,
        "min_lon": 32.3077583000000032598109100945293903350830078125,
        "max_lat": 31.457795000000000840145730762742459774017333984375,
        "max_lon": 32.310620000000000118234311230480670928955078125
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 18, 2026 12:03 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 48m
  • Data Points: 14 AIS positions
  • Period: 2026-07-18T12:03:34+00:00 to 2026-07-18T17:51:38+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 348.1000000000000227373675443232059478759765625,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-07-18T12:03:34+00:00",
        "lat": 31.458543299999998765770214959047734737396240234375,
        "lon": 32.29050829999999905339791439473628997802734375
    },
    "last_point": {
        "ts": "2026-07-18T17:51:38+00:00",
        "lat": 31.457595000000001306261765421368181705474853515625,
        "lon": 32.30781329999999940127963782288134098052978515625
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 18, 2026 12:03 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 5h 48m
  • Data Points: 14 AIS positions
  • Period: 2026-07-18T12:03:34+00:00 to 2026-07-18T17:51:38+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 348.1000000000000227373675443232059478759765625,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-07-18T12:03:34+00:00",
        "lat": 31.458543299999998765770214959047734737396240234375,
        "lon": 32.29050829999999905339791439473628997802734375
    },
    "last_point": {
        "ts": "2026-07-18T17:51:38+00:00",
        "lat": 31.457595000000001306261765421368181705474853515625,
        "lon": 32.30781329999999940127963782288134098052978515625
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 23:00 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 2h 4m
  • Data Points: 8 AIS positions
  • Period: 2026-07-17T23:00:06+00:00 to 2026-07-18T01:04:56+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 124.7999999999999971578290569595992565155029296875,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-07-17T23:00:06+00:00",
        "lat": 31.407011700000001752641765051521360874176025390625,
        "lon": 32.26121499999999997498889570124447345733642578125
    },
    "last_point": {
        "ts": "2026-07-18T01:04:56+00:00",
        "lat": 31.459348299999998488374330918304622173309326171875,
        "lon": 32.29310170000000113077476271428167819976806640625
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 22:51 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 2h 13m
  • Data Points: 9 AIS positions
  • Period: 2026-07-17T22:51:01+00:00 to 2026-07-18T01:04:56+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 133.900000000000005684341886080801486968994140625,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-07-17T22:51:01+00:00",
        "lat": 31.407043300000001551097739138640463352203369140625,
        "lon": 32.2612400000000008049028110690414905548095703125
    },
    "last_point": {
        "ts": "2026-07-18T01:04:56+00:00",
        "lat": 31.459348299999998488374330918304622173309326171875,
        "lon": 32.29310170000000113077476271428167819976806640625
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 21:09 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 3h 55m
  • Data Points: 12 AIS positions
  • Period: 2026-07-17T21:09:04+00:00 to 2026-07-18T01:04:56+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 235.900000000000005684341886080801486968994140625,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-17T21:09:04+00:00",
        "lat": 31.406980000000000785576048656366765499114990234375,
        "lon": 32.26117500000000148929757415316998958587646484375
    },
    "last_point": {
        "ts": "2026-07-18T01:04:56+00:00",
        "lat": 31.459348299999998488374330918304622173309326171875,
        "lon": 32.29310170000000113077476271428167819976806640625
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 20:06 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 4h 58m
  • Data Points: 15 AIS positions
  • Period: 2026-07-17T20:06:03+00:00 to 2026-07-18T01:04:56+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 298.8999999999999772626324556767940521240234375,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-07-17T20:06:03+00:00",
        "lat": 31.406943299999998231442077667452394962310791015625,
        "lon": 32.26110829999999651818143320269882678985595703125
    },
    "last_point": {
        "ts": "2026-07-18T01:04:56+00:00",
        "lat": 31.459348299999998488374330918304622173309326171875,
        "lon": 32.29310170000000113077476271428167819976806640625
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 20:06 UTC 75.0%
  • Duration: 4h 12m
  • Radius: 81 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.4071, 32.2611
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 81.2000000000000028421709430404007434844970703125,
    "duration_minutes": 252.099999999999994315658113919198513031005859375,
    "points": 12,
    "centroid": {
        "lat": 31.4070848666666648796308436430990695953369140625,
        "lon": 32.26112611666666651899504358880221843719482421875
    },
    "bbox": {
        "min_lat": 31.406943299999998231442077667452394962310791015625,
        "min_lon": 32.2606999999999999317878973670303821563720703125,
        "max_lat": 31.407720000000001192574927699752151966094970703125,
        "max_lon": 32.261251700000002529122866690158843994140625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 19:36 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 28m
  • Data Points: 17 AIS positions
  • Period: 2026-07-17T19:36:02+00:00 to 2026-07-18T01:04:56+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 328.8999999999999772626324556767940521240234375,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-07-17T19:36:02+00:00",
        "lat": 31.406929999999999125748217920772731304168701171875,
        "lon": 32.261106699999999136707629077136516571044921875
    },
    "last_point": {
        "ts": "2026-07-18T01:04:56+00:00",
        "lat": 31.459348299999998488374330918304622173309326171875,
        "lon": 32.29310170000000113077476271428167819976806640625
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 19:36 UTC 75.0%
  • Duration: 4h 42m
  • Radius: 83 meters
  • Data Points: 14 AIS positions
  • Centroid: 31.4071, 32.2611
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 83.2000000000000028421709430404007434844970703125,
    "duration_minutes": 282.1000000000000227373675443232059478759765625,
    "points": 14,
    "centroid": {
        "lat": 31.407063457142850637637820909731090068817138671875,
        "lon": 32.2611236999999988483978086151182651519775390625
    },
    "bbox": {
        "min_lat": 31.406929999999999125748217920772731304168701171875,
        "min_lon": 32.2606999999999999317878973670303821563720703125,
        "max_lat": 31.407720000000001192574927699752151966094970703125,
        "max_lon": 32.261251700000002529122866690158843994140625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 18:12 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 6m
  • Data Points: 15 AIS positions
  • Period: 2026-07-17T18:12:06+00:00 to 2026-07-18T00:18:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 366,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-07-17T18:12:06+00:00",
        "lat": 31.406936699999999262900018948130309581756591796875,
        "lon": 32.2611466999999976223989506252110004425048828125
    },
    "last_point": {
        "ts": "2026-07-18T00:18:06+00:00",
        "lat": 31.407720000000001192574927699752151966094970703125,
        "lon": 32.2606999999999999317878973670303821563720703125
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 18:12 UTC 75.0%
  • Duration: 6h 6m
  • Radius: 84 meters
  • Data Points: 15 AIS positions
  • Centroid: 31.4071, 32.2611
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 84.099999999999994315658113919198513031005859375,
    "duration_minutes": 366,
    "points": 15,
    "centroid": {
        "lat": 31.40705500666666694087325595319271087646484375,
        "lon": 32.261125233333331152607570402324199676513671875
    },
    "bbox": {
        "min_lat": 31.406929999999999125748217920772731304168701171875,
        "min_lon": 32.2606999999999999317878973670303821563720703125,
        "max_lat": 31.407720000000001192574927699752151966094970703125,
        "max_lon": 32.261251700000002529122866690158843994140625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 17:12 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 27m
  • Data Points: 17 AIS positions
  • Period: 2026-07-17T17:50:57+00:00 to 2026-07-18T00:18:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 387.1000000000000227373675443232059478759765625,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-07-17T17:50:57+00:00",
        "lat": 31.4069266999999996414771885611116886138916015625,
        "lon": 32.26112330000000127938619698397815227508544921875
    },
    "last_point": {
        "ts": "2026-07-18T00:18:06+00:00",
        "lat": 31.407720000000001192574927699752151966094970703125,
        "lon": 32.2606999999999999317878973670303821563720703125
    }
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 17:12 UTC 75.0%
  • Duration: 6h 27m
  • Radius: 86 meters
  • Data Points: 17 AIS positions
  • Centroid: 31.4070, 32.2611
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 85.5,
    "duration_minutes": 387.1000000000000227373675443232059478759765625,
    "points": 17,
    "centroid": {
        "lat": 31.407040399999999635838321410119533538818359375,
        "lon": 32.261124911764710532224853523075580596923828125
    },
    "bbox": {
        "min_lat": 31.4069266999999996414771885611116886138916015625,
        "min_lon": 32.2606999999999999317878973670303821563720703125,
        "max_lat": 31.407720000000001192574927699752151966094970703125,
        "max_lon": 32.261251700000002529122866690158843994140625
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Loiter Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 16:23 UTC 75.0%
  • Duration: 6h 29m
  • Radius: 93 meters
  • Data Points: 18 AIS positions
  • Centroid: 31.4070, 32.2611
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 93.2999999999999971578290569595992565155029296875,
    "duration_minutes": 389.6000000000000227373675443232059478759765625,
    "points": 18,
    "centroid": {
        "lat": 31.406985938888890785847252118401229381561279296875,
        "lon": 32.261086483333343721824348904192447662353515625
    },
    "bbox": {
        "min_lat": 31.406786700000001388843884342350065708160400390625,
        "min_lon": 32.26033499999999776264303363859653472900390625,
        "max_lat": 31.40752669999999824312908458523452281951904296875,
        "max_lon": 32.2612400000000008049028110690414905548095703125
    },
    "zone_id": "discovered_025"
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 17, 2026 16:17 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 29m
  • Data Points: 18 AIS positions
  • Period: 2026-07-17T16:30:27+00:00 to 2026-07-17T23:00:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 389.6000000000000227373675443232059478759765625,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-07-17T16:30:27+00:00",
        "lat": 31.40752669999999824312908458523452281951904296875,
        "lon": 32.26033499999999776264303363859653472900390625
    },
    "last_point": {
        "ts": "2026-07-17T23:00:06+00:00",
        "lat": 31.407011700000001752641765051521360874176025390625,
        "lon": 32.26121499999999997498889570124447345733642578125
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 15:00 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 1h 23m
  • Data Points: 14 AIS positions
  • Period: 2026-07-17T15:00:20+00:00 to 2026-07-17T16:23:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 83.2999999999999971578290569595992565155029296875,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-07-17T15:00:20+00:00",
        "lat": 31.448995000000000032969182939268648624420166015625,
        "lon": 32.4355283000000014226316125132143497467041015625
    },
    "last_point": {
        "ts": "2026-07-17T16:23:39+00:00",
        "lat": 31.404984999999999928377292235381901264190673828125,
        "lon": 32.27168999999999954297891235910356044769287109375
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 14:23 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 1h 59m
  • Data Points: 24 AIS positions
  • Period: 2026-07-17T14:23:49+00:00 to 2026-07-17T16:23:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 119.7999999999999971578290569595992565155029296875,
    "points_in_zone": 24,
    "first_point": {
        "ts": "2026-07-17T14:23:49+00:00",
        "lat": 31.441191700000000963655111263506114482879638671875,
        "lon": 32.4797999999999973397279973141849040985107421875
    },
    "last_point": {
        "ts": "2026-07-17T16:23:39+00:00",
        "lat": 31.404984999999999928377292235381901264190673828125,
        "lon": 32.27168999999999954297891235910356044769287109375
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Western Black Sea Surveillance Zone
Jul 17, 2026 11:07 UTC 75/100
Vessel A: IMO 9460825 (DILOS) LIBERIA
Vessel B: IMO 9337016 (CRONUS) LIBERIA
  • Minimum Distance: 76 meters
  • Average Distance: 80 meters
  • Duration: 40 minutes
  • Period: 2026-07-17T11:07:43+00:00 to 2026-07-17T11:47:54+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Western Black Sea Surveillance Zone

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (DILOS and CRONUS) maintained close proximity (min 76m, avg 80m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 76m, avg 80m
Duration5/25Duration 40 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±2m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Western Black Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-07-17T17:30:05.236883+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636014361,
        "imo": 9460825,
        "name": "DILOS",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636023785,
        "imo": 9337016,
        "name": "CRONUS",
        "flag": "LIBERIA"
    },
    "min_distance_m": 76.400000000000005684341886080801486968994140625,
    "avg_distance_m": 80.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 2.29999999999999982236431605997495353221893310546875,
    "duration_minutes": 40.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2411,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-17T11:07:43+00:00",
        "end": "2026-07-17T11:47:54+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 76m, avg 80m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 40 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Western Black Sea Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (DILOS and CRONUS) maintained close proximity (min 76m, avg 80m) for 40 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.44143890000000141071723191998898983001708984375,
            "lon": 32.480469999999996844053384847939014434814453125
        },
        "time_window": {
            "start_ts": "2026-07-17T11:07:43+00:00",
            "end_ts": "2026-07-17T11:47:54+00:00"
        },
        "searched_at": "2026-07-17T17:30:05.236883+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 11:01 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 5h 22m
  • Data Points: 30 AIS positions
  • Period: 2026-07-17T11:01:04+00:00 to 2026-07-17T16:23:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 322.6000000000000227373675443232059478759765625,
    "points_in_zone": 30,
    "first_point": {
        "ts": "2026-07-17T11:01:04+00:00",
        "lat": 31.44191169999999857509465073235332965850830078125,
        "lon": 32.48025830000000269137672148644924163818359375
    },
    "last_point": {
        "ts": "2026-07-17T16:23:39+00:00",
        "lat": 31.404984999999999928377292235381901264190673828125,
        "lon": 32.27168999999999954297891235910356044769287109375
    }
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 17, 2026 11:01 UTC 75.0%
  • Duration: 3h 42m
  • Radius: 923 meters
  • Data Points: 11 AIS positions
  • Centroid: 31.4418, 32.4791
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 923.299999999999954525264911353588104248046875,
    "duration_minutes": 222.80000000000001136868377216160297393798828125,
    "points": 11,
    "centroid": {
        "lat": 31.44176803636363359828465036116540431976318359375,
        "lon": 32.4791191000000054600604926235973834991455078125
    },
    "bbox": {
        "min_lat": 31.441071699999998401153789018280804157257080078125,
        "min_lon": 32.469909999999998717612470500171184539794921875,
        "max_lat": 31.44441499999999933834260446019470691680908203125,
        "max_lon": 32.480265000000002828528522513806819915771484375
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Sts🛰️✗ Western Black Sea Surveillance Zone
Jul 17, 2026 10:01 UTC 80/100
Vessel A: IMO 9460825 (DILOS) LIBERIA
Vessel B: IMO 9337016 (CRONUS) LIBERIA
  • Minimum Distance: 76 meters
  • Average Distance: 81 meters
  • Duration: 51 minutes
  • Period: 2026-07-17T10:56:44+00:00 to 2026-07-17T11:47:54+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Western Black Sea Surveillance Zone

Confidence Analysis

Score: 80/100

High-confidence STS candidate. Two tankers (DILOS and CRONUS) maintained close proximity (min 76m, avg 81m) for 51 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 76m, avg 81m
Duration10/25Duration 51 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±2m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Western Black Sea Surveillance Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-07-17T12:15:07.436032+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636014361,
        "imo": 9460825,
        "name": "DILOS",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636023785,
        "imo": 9337016,
        "name": "CRONUS",
        "flag": "LIBERIA"
    },
    "min_distance_m": 76.400000000000005684341886080801486968994140625,
    "avg_distance_m": 80.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 2,
    "duration_minutes": 51.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 3070,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-17T10:56:44+00:00",
        "end": "2026-07-17T11:47:54+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 76m, avg 81m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 51 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Western Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (DILOS and CRONUS) maintained close proximity (min 76m, avg 81m) for 51 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.44184080000000136578819365240633487701416015625,
            "lon": 32.4806616999999988593117450363934040069580078125
        },
        "time_window": {
            "start_ts": "2026-07-17T10:01:25+00:00",
            "end_ts": "2026-07-17T11:47:54+00:00"
        },
        "searched_at": "2026-07-17T12:15:07.436032+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 10:01 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 6h 22m
  • Data Points: 40 AIS positions
  • Period: 2026-07-17T10:01:25+00:00 to 2026-07-17T16:23:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 382.19999999999998863131622783839702606201171875,
    "points_in_zone": 40,
    "first_point": {
        "ts": "2026-07-17T10:01:25+00:00",
        "lat": 31.442121700000001283115125261247158050537109375,
        "lon": 32.4803567000000015241312212310731410980224609375
    },
    "last_point": {
        "ts": "2026-07-17T16:23:39+00:00",
        "lat": 31.404984999999999928377292235381901264190673828125,
        "lon": 32.27168999999999954297891235910356044769287109375
    }
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 17, 2026 10:01 UTC 75.0%
  • Duration: 4h 42m
  • Radius: 971 meters
  • Data Points: 21 AIS positions
  • Centroid: 31.4419, 32.4797
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 971.200000000000045474735088646411895751953125,
    "duration_minutes": 282.3999999999999772626324556767940521240234375,
    "points": 21,
    "centroid": {
        "lat": 31.44189325714285843105244566686451435089111328125,
        "lon": 32.4796936619047613703514798544347286224365234375
    },
    "bbox": {
        "min_lat": 31.441071699999998401153789018280804157257080078125,
        "min_lon": 32.469909999999998717612470500171184539794921875,
        "max_lat": 31.44441499999999933834260446019470691680908203125,
        "max_lon": 32.48036669999999759284037281759083271026611328125
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 09:01 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 6h 35m
  • Data Points: 41 AIS positions
  • Period: 2026-07-17T09:41:33+00:00 to 2026-07-17T16:17:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 395.6000000000000227373675443232059478759765625,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-07-17T09:41:33+00:00",
        "lat": 31.442118300000000630234353593550622463226318359375,
        "lon": 32.4803433000000012498276191763579845428466796875
    },
    "last_point": {
        "ts": "2026-07-17T16:17:09+00:00",
        "lat": 31.4023667000000017424099496565759181976318359375,
        "lon": 32.2842016999999970039425534196197986602783203125
    }
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 17, 2026 09:01 UTC 75.0%
  • Duration: 5h 41m
  • Radius: 989 meters
  • Data Points: 32 AIS positions
  • Centroid: 31.4420, 32.4799
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 988.5,
    "duration_minutes": 341.8999999999999772626324556767940521240234375,
    "points": 32,
    "centroid": {
        "lat": 31.441998543750006689379006274975836277008056640625,
        "lon": 32.4799199062500036916389944963157176971435546875
    },
    "bbox": {
        "min_lat": 31.441071699999998401153789018280804157257080078125,
        "min_lon": 32.469909999999998717612470500171184539794921875,
        "max_lat": 31.44441499999999933834260446019470691680908203125,
        "max_lon": 32.48036830000000207974153454415500164031982421875
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Sts Western Black Sea Surveillance Zone
Jul 17, 2026 08:02 UTC 95/100
Vessel A: IMO 9337016 (CRONUS) LIBERIA
Vessel B: IMO 9460825 (DILOS) LIBERIA
  • Minimum Distance: 76 meters
  • Average Distance: 80 meters
  • Duration: 3h 43m
  • Period: 2026-07-17T08:02:32+00:00 to 2026-07-17T11:46:09+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Western Black Sea Surveillance Zone

Confidence Analysis

Score: 95/100

High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 76m, avg 80m) for 224 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 76m, avg 80m
Duration25/25Duration 224 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±2m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636023785,
        "imo": 9337016,
        "name": "CRONUS",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636014361,
        "imo": 9460825,
        "name": "DILOS",
        "flag": "LIBERIA"
    },
    "min_distance_m": 75.5,
    "avg_distance_m": 80.400000000000005684341886080801486968994140625,
    "distance_consistency_m": 1.6999999999999999555910790149937383830547332763671875,
    "duration_minutes": 223.599999999999994315658113919198513031005859375,
    "overlap_duration_s": 13417,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-17T08:02:32+00:00",
        "end": "2026-07-17T11:46:09+00:00"
    },
    "points_count": {
        "vessel_a": 15,
        "vessel_b": 15
    },
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 76m, avg 80m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 224 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Western Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 76m, avg 80m) for 224 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 08:02 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 49 AIS positions
  • Period: 2026-07-17T08:51:12+00:00 to 2026-07-17T15:27:50+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 396.6000000000000227373675443232059478759765625,
    "points_in_zone": 49,
    "first_point": {
        "ts": "2026-07-17T08:51:12+00:00",
        "lat": 31.442313299999998577050064341165125370025634765625,
        "lon": 32.48037500000000221689333557151257991790771484375
    },
    "last_point": {
        "ts": "2026-07-17T15:27:50+00:00",
        "lat": 31.439886699999998853627403150312602519989013671875,
        "lon": 32.37982670000000240406734519638121128082275390625
    }
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 17, 2026 08:02 UTC 75.0%
  • Duration: 6h 31m
  • Radius: 995 meters
  • Data Points: 40 AIS positions
  • Centroid: 31.4421, 32.4800
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 995.1000000000000227373675443232059478759765625,
    "duration_minutes": 391.1000000000000227373675443232059478759765625,
    "points": 40,
    "centroid": {
        "lat": 31.44205046000001146921931649558246135711669921875,
        "lon": 32.4800086350000043466934585012495517730712890625
    },
    "bbox": {
        "min_lat": 31.441071699999998401153789018280804157257080078125,
        "min_lon": 32.469909999999998717612470500171184539794921875,
        "max_lat": 31.44441499999999933834260446019470691680908203125,
        "max_lon": 32.480379999999996698534232564270496368408203125
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Sts Western Black Sea Surveillance Zone
Jul 17, 2026 07:07 UTC 95/100
Vessel A: IMO 9337016 (CRONUS) LIBERIA
Vessel B: IMO 9460825 (DILOS) LIBERIA
  • Minimum Distance: 76 meters
  • Average Distance: 80 meters
  • Duration: 4h 32m
  • Period: 2026-07-17T07:14:09+00:00 to 2026-07-17T11:46:09+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Western Black Sea Surveillance Zone

Confidence Analysis

Score: 95/100

High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 76m, avg 80m) for 272 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 76m, avg 80m
Duration25/25Duration 272 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±2m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636023785,
        "imo": 9337016,
        "name": "CRONUS",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636014361,
        "imo": 9460825,
        "name": "DILOS",
        "flag": "LIBERIA"
    },
    "min_distance_m": 75.5,
    "avg_distance_m": 80.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 272,
    "overlap_duration_s": 16320,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-07-17T07:14:09+00:00",
        "end": "2026-07-17T11:46:09+00:00"
    },
    "points_count": {
        "vessel_a": 18,
        "vessel_b": 18
    },
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 76m, avg 80m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 272 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Western Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 76m, avg 80m) for 272 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 07:07 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 6h 36m
  • Data Points: 42 AIS positions
  • Period: 2026-07-17T07:51:44+00:00 to 2026-07-17T14:28:00+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 396.30000000000001136868377216160297393798828125,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-07-17T07:51:44+00:00",
        "lat": 31.442203299999999188685251283459365367889404296875,
        "lon": 32.48035999999999745568857179023325443267822265625
    },
    "last_point": {
        "ts": "2026-07-17T14:28:00+00:00",
        "lat": 31.441113300000001373746272292919456958770751953125,
        "lon": 32.47979169999999982110239216126501560211181640625
    }
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 17, 2026 07:07 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 112 meters
  • Data Points: 42 AIS positions
  • Centroid: 31.4420, 32.4803
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 112.2000000000000028421709430404007434844970703125,
    "duration_minutes": 396.30000000000001136868377216160297393798828125,
    "points": 42,
    "centroid": {
        "lat": 31.442031588095250782544098910875618457794189453125,
        "lon": 32.48028834285714339102923986501991748809814453125
    },
    "bbox": {
        "min_lat": 31.441113300000001373746272292919456958770751953125,
        "min_lon": 32.47979169999999982110239216126501560211181640625,
        "max_lat": 31.44231669999999922993083600886166095733642578125,
        "max_lon": 32.480379999999996698534232564270496368408203125
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 06:01 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 5h 46m
  • Data Points: 47 AIS positions
  • Period: 2026-07-17T06:01:12+00:00 to 2026-07-17T11:47:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 346.69999999999998863131622783839702606201171875,
    "points_in_zone": 47,
    "first_point": {
        "ts": "2026-07-17T06:01:12+00:00",
        "lat": 31.442229999999998568682713084854185581207275390625,
        "lon": 32.4804366999999984955138643272221088409423828125
    },
    "last_point": {
        "ts": "2026-07-17T11:47:54+00:00",
        "lat": 31.4416666999999989684511092491447925567626953125,
        "lon": 32.4801700000000010959411156363785266876220703125
    }
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 17, 2026 06:01 UTC 75.0%
  • Duration: 5h 46m
  • Radius: 52 meters
  • Data Points: 47 AIS positions
  • Centroid: 31.4421, 32.4803
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 51.7999999999999971578290569595992565155029296875,
    "duration_minutes": 346.69999999999998863131622783839702606201171875,
    "points": 47,
    "centroid": {
        "lat": 31.442112446808511805329544586129486560821533203125,
        "lon": 32.4803337659574395956951775588095188140869140625
    },
    "bbox": {
        "min_lat": 31.4416666999999989684511092491447925567626953125,
        "min_lon": 32.4801700000000010959411156363785266876220703125,
        "max_lat": 31.44231669999999922993083600886166095733642578125,
        "max_lon": 32.4804366999999984955138643272221088409423828125
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Sts Western Black Sea Surveillance Zone
Jul 17, 2026 05:46 UTC 95/100
Vessel A: IMO 9337016 (CRONUS) LIBERIA
Vessel B: IMO 9460825 (DILOS) LIBERIA
  • Minimum Distance: 76 meters
  • Average Distance: 80 meters
  • Duration: 5h 59m
  • Period: 2026-07-17T05:46:34+00:00 to 2026-07-17T11:46:09+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Western Black Sea Surveillance Zone

Confidence Analysis

Score: 95/100

High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 76m, avg 80m) for 360 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 76m, avg 80m
Duration25/25Duration 360 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±2m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636023785,
        "imo": 9337016,
        "name": "CRONUS",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636014361,
        "imo": 9460825,
        "name": "DILOS",
        "flag": "LIBERIA"
    },
    "min_distance_m": 75.5,
    "avg_distance_m": 80.2999999999999971578290569595992565155029296875,
    "distance_consistency_m": 1.600000000000000088817841970012523233890533447265625,
    "duration_minutes": 359.6000000000000227373675443232059478759765625,
    "overlap_duration_s": 21575,
    "speed_a_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_a_std": 0.0200000000000000004163336342344337026588618755340576171875,
    "speed_b_avg": 0.01000000000000000020816681711721685132943093776702880859375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.01000000000000000020816681711721685132943093776702880859375,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-07-17T05:46:34+00:00",
        "end": "2026-07-17T11:46:09+00:00"
    },
    "points_count": {
        "vessel_a": 19,
        "vessel_b": 19
    },
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 76m, avg 80m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 360 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b12m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Western Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 76m, avg 80m) for 360 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Western Black Sea Surveillance Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Loiter Western Black Sea Surveillance Zone
Jul 17, 2026 05:27 UTC 75.0%
  • Duration: 6h 20m
  • Radius: 1,203 meters
  • Data Points: 53 AIS positions
  • Centroid: 31.4420, 32.4809
  • Zone: Western Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 1202.59999999999990905052982270717620849609375,
    "duration_minutes": 380.3999999999999772626324556767940521240234375,
    "points": 53,
    "centroid": {
        "lat": 31.4419546849056672499500564299523830413818359375,
        "lon": 32.48089066603773034103141981177031993865966796875
    },
    "bbox": {
        "min_lat": 31.437258299999999877627487876452505588531494140625,
        "min_lon": 32.4801700000000010959411156363785266876220703125,
        "max_lat": 31.443020000000000635509422863833606243133544921875,
        "max_lon": 32.492293300000000044747139327228069305419921875
    },
    "zone_id": "discovered_156"
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 17, 2026 05:27 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 6h 20m
  • Data Points: 53 AIS positions
  • Period: 2026-07-17T05:27:27+00:00 to 2026-07-17T11:47:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 380.3999999999999772626324556767940521240234375,
    "points_in_zone": 53,
    "first_point": {
        "ts": "2026-07-17T05:27:27+00:00",
        "lat": 31.437258299999999877627487876452505588531494140625,
        "lon": 32.492293300000000044747139327228069305419921875
    },
    "last_point": {
        "ts": "2026-07-17T11:47:54+00:00",
        "lat": 31.4416666999999989684511092491447925567626953125,
        "lon": 32.4801700000000010959411156363785266876220703125
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 16, 2026 18:20 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 1h 14m
  • Data Points: 8 AIS positions
  • Period: 2026-07-16T18:20:54+00:00 to 2026-07-16T19:35:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 74.5,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-07-16T18:20:54+00:00",
        "lat": 31.731326700000000329282556776888668537139892578125,
        "lon": 30.930531699999999517558535444550216197967529296875
    },
    "last_point": {
        "ts": "2026-07-16T19:35:24+00:00",
        "lat": 31.746649999999998925659383530728518962860107421875,
        "lon": 31.1314382999999992307493812404572963714599609375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 11, 2026 14:02 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 3h 14m
  • Data Points: 12 AIS positions
  • Period: 2026-07-11T14:02:55+00:00 to 2026-07-11T17:17:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 194.69999999999998863131622783839702606201171875,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-11T14:02:55+00:00",
        "lat": 31.75346329999999994697645888663828372955322265625,
        "lon": 31.37404670000000095342329586856067180633544921875
    },
    "last_point": {
        "ts": "2026-07-11T17:17:35+00:00",
        "lat": 31.735125000000000028421709430404007434844970703125,
        "lon": 30.92906169999999832498360774479806423187255859375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 11, 2026 12:12 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 4m
  • Data Points: 18 AIS positions
  • Period: 2026-07-11T12:12:45+00:00 to 2026-07-11T17:17:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 304.80000000000001136868377216160297393798828125,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-07-11T12:12:45+00:00",
        "lat": 31.759151700000000317913873004727065563201904296875,
        "lon": 31.616466700000000145109879667870700359344482421875
    },
    "last_point": {
        "ts": "2026-07-11T17:17:35+00:00",
        "lat": 31.735125000000000028421709430404007434844970703125,
        "lon": 30.92906169999999832498360774479806423187255859375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 11, 2026 11:21 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 5h 56m
  • Data Points: 24 AIS positions
  • Period: 2026-07-11T11:21:33+00:00 to 2026-07-11T17:17:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 356,
    "points_in_zone": 24,
    "first_point": {
        "ts": "2026-07-11T11:21:33+00:00",
        "lat": 31.68864669999999961191861075349152088165283203125,
        "lon": 31.6874600000000015143086784519255161285400390625
    },
    "last_point": {
        "ts": "2026-07-11T17:17:35+00:00",
        "lat": 31.735125000000000028421709430404007434844970703125,
        "lon": 30.92906169999999832498360774479806423187255859375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 11, 2026 10:53 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 6h 24m
  • Data Points: 26 AIS positions
  • Period: 2026-07-11T10:53:34+00:00 to 2026-07-11T17:17:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 384,
    "points_in_zone": 26,
    "first_point": {
        "ts": "2026-07-11T10:53:34+00:00",
        "lat": 31.63669829999999905112417764030396938323974609375,
        "lon": 31.7106050000000010413714335300028324127197265625
    },
    "last_point": {
        "ts": "2026-07-11T17:17:35+00:00",
        "lat": 31.735125000000000028421709430404007434844970703125,
        "lon": 30.92906169999999832498360774479806423187255859375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 9, 2026 23:20 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 1 hours
  • Data Points: 5 AIS positions
  • Period: 2026-07-09T23:20:26+00:00 to 2026-07-10T00:20:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 60,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-07-09T23:20:26+00:00",
        "lat": 31.3803367000000008602000889368355274200439453125,
        "lon": 32.27544329999999916935848887078464031219482421875
    },
    "last_point": {
        "ts": "2026-07-10T00:20:26+00:00",
        "lat": 31.38031670000000161735442816279828548431396484375,
        "lon": 32.2755183000000016591002349741756916046142578125
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 9, 2026 22:29 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 1h 51m
  • Data Points: 6 AIS positions
  • Period: 2026-07-09T22:29:26+00:00 to 2026-07-10T00:20:26+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 111,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-07-09T22:29:26+00:00",
        "lat": 31.38037669999999934589141048491001129150390625,
        "lon": 32.275568300000003318928065709769725799560546875
    },
    "last_point": {
        "ts": "2026-07-10T00:20:26+00:00",
        "lat": 31.38031670000000161735442816279828548431396484375,
        "lon": 32.2755183000000016591002349741756916046142578125
    }
}
Methodology: 2026.01.18
Zone Dwell Western Black Sea Surveillance Zone
Jul 9, 2026 15:40 UTC 80.0%
  • Zone: Western Black Sea Surveillance Zone
  • Duration: 2h 56m
  • Data Points: 2 AIS positions
  • Period: 2026-07-09T15:40:59+00:00 to 2026-07-09T18:37:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_156",
    "zone_name": "Western Black Sea Surveillance Zone",
    "dwell_minutes": 176.099999999999994315658113919198513031005859375,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-07-09T15:40:59+00:00",
        "lat": 31.439685000000000769659891375340521335601806640625,
        "lon": 32.4793700000000029604052542708814144134521484375
    },
    "last_point": {
        "ts": "2026-07-09T18:37:02+00:00",
        "lat": 31.441803300000000120917320600710809230804443359375,
        "lon": 32.47553330000000215704858419485390186309814453125
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jul 4, 2026 10:30 UTC 80.0%
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 1h 27m
  • Data Points: 7 AIS positions
  • Period: 2026-07-04T10:30:08+00:00 to 2026-07-04T11:57:37+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 87.5,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-07-04T10:30:08+00:00",
        "lat": 31.396119999999999805595507496036589145660400390625,
        "lon": 32.26373499999999694409780204296112060546875
    },
    "last_point": {
        "ts": "2026-07-04T11:57:37+00:00",
        "lat": 31.396041700000001384296410833485424518585205078125,
        "lon": 32.26366170000000010986695997416973114013671875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 17, 2026 20:14 UTC 80.0%
  • Zone: discovered_020
  • Duration: 1h 41m
  • Data Points: 4 AIS positions
  • Period: 2026-06-17T20:14:16+00:00 to 2026-06-17T21:55:23+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 101.099999999999994315658113919198513031005859375,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-06-17T20:14:16+00:00",
        "lat": 31.5555650000000014188117347657680511474609375,
        "lon": 32.36840670000000130812622956000268459320068359375
    },
    "last_point": {
        "ts": "2026-06-17T21:55:23+00:00",
        "lat": 31.5877933000000012953023542650043964385986328125,
        "lon": 32.174606699999998227212927304208278656005859375
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 17, 2026 14:03 UTC 80.0%
  • Zone: discovered_020
  • Duration: 6h 20m
  • Data Points: 9 AIS positions
  • Period: 2026-06-17T14:03:56+00:00 to 2026-06-17T20:24:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 380.1000000000000227373675443232059478759765625,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-06-17T14:03:56+00:00",
        "lat": 31.541418300000000130012267618440091609954833984375,
        "lon": 32.3767883000000011861629900522530078887939453125
    },
    "last_point": {
        "ts": "2026-06-17T20:24:05+00:00",
        "lat": 31.557301700000000010959411156363785266876220703125,
        "lon": 32.36723330000000231621015700511634349822998046875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 17, 2026 13:13 UTC 80.0%
  • Zone: discovered_020
  • Duration: 6h 32m
  • Data Points: 12 AIS positions
  • Period: 2026-06-17T13:51:46+00:00 to 2026-06-17T20:24:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 392.30000000000001136868377216160297393798828125,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-06-17T13:51:46+00:00",
        "lat": 31.540964999999999918145476840436458587646484375,
        "lon": 32.37709670000000272693796432577073574066162109375
    },
    "last_point": {
        "ts": "2026-06-17T20:24:05+00:00",
        "lat": 31.557301700000000010959411156363785266876220703125,
        "lon": 32.36723330000000231621015700511634349822998046875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 17, 2026 12:39 UTC 80.0%
  • Zone: discovered_020
  • Duration: 1h 52m
  • Data Points: 19 AIS positions
  • Period: 2026-06-17T12:39:06+00:00 to 2026-06-17T14:31:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 112.7999999999999971578290569595992565155029296875,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-06-17T12:39:06+00:00",
        "lat": 31.471174999999998789235178264789283275604248046875,
        "lon": 32.3267783000000008541974239051342010498046875
    },
    "last_point": {
        "ts": "2026-06-17T14:31:54+00:00",
        "lat": 31.547536699999998432986103580333292484283447265625,
        "lon": 32.37337500000000289901436190120875835418701171875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 12, 2026 16:04 UTC 80.0%
  • Zone: discovered_020
  • Duration: 2h 1m
  • Data Points: 4 AIS positions
  • Period: 2026-06-12T16:04:11+00:00 to 2026-06-12T18:05:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 121.7000000000000028421709430404007434844970703125,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-06-12T16:04:11+00:00",
        "lat": 31.533958299999998331486494862474501132965087890625,
        "lon": 31.73892000000000024328983272425830364227294921875
    },
    "last_point": {
        "ts": "2026-06-12T18:05:51+00:00",
        "lat": 31.4516966999999993959136190824210643768310546875,
        "lon": 31.76924999999999954525264911353588104248046875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 12, 2026 00:02 UTC 80.0%
  • Zone: discovered_020
  • Duration: 2 hours
  • Data Points: 18 AIS positions
  • Period: 2026-06-12T00:02:59+00:00 to 2026-06-12T02:03:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 120,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-06-12T00:02:59+00:00",
        "lat": 31.534258300000001185026121675036847591400146484375,
        "lon": 31.739405000000001422222339897416532039642333984375
    },
    "last_point": {
        "ts": "2026-06-12T02:03:02+00:00",
        "lat": 31.53410170000000078971424954943358898162841796875,
        "lon": 31.73922999999999916553861112333834171295166015625
    }
}
Methodology: 2026.01.18
Loiter discovered_020
Jun 12, 2026 00:02 UTC 75.0%
  • Duration: 2 hours
  • Radius: 15 meters
  • Data Points: 18 AIS positions
  • Centroid: 31.5342, 31.7393
  • Zone: discovered_020
Show Raw Evidence JSON
{
    "radius_m": 15.4000000000000003552713678800500929355621337890625,
    "duration_minutes": 120,
    "points": 18,
    "centroid": {
        "lat": 31.5341954722222226337180472910404205322265625,
        "lon": 31.739315000000001276703187613748013973236083984375
    },
    "bbox": {
        "min_lat": 31.53410170000000078971424954943358898162841796875,
        "min_lon": 31.73922999999999916553861112333834171295166015625,
        "max_lat": 31.534306699999998357952790684066712856292724609375,
        "max_lon": 31.739411700000001559374140924774110317230224609375
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 11, 2026 21:08 UTC 80.0%
  • Zone: discovered_020
  • Duration: 4h 54m
  • Data Points: 19 AIS positions
  • Period: 2026-06-11T21:08:59+00:00 to 2026-06-12T02:03:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 294.1000000000000227373675443232059478759765625,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-06-11T21:08:59+00:00",
        "lat": 31.534318299999998913563103997148573398590087890625,
        "lon": 31.739411700000001559374140924774110317230224609375
    },
    "last_point": {
        "ts": "2026-06-12T02:03:02+00:00",
        "lat": 31.53410170000000078971424954943358898162841796875,
        "lon": 31.73922999999999916553861112333834171295166015625
    }
}
Methodology: 2026.01.18
Loiter discovered_020
Jun 11, 2026 21:08 UTC 75.0%
  • Duration: 4h 54m
  • Radius: 16 meters
  • Data Points: 19 AIS positions
  • Centroid: 31.5342, 31.7393
  • Zone: discovered_020
Show Raw Evidence JSON
{
    "radius_m": 15.5999999999999996447286321199499070644378662109375,
    "duration_minutes": 294.1000000000000227373675443232059478759765625,
    "points": 19,
    "centroid": {
        "lat": 31.534201936842098490387797937728464603424072265625,
        "lon": 31.739320089473693542458931915462017059326171875
    },
    "bbox": {
        "min_lat": 31.53410170000000078971424954943358898162841796875,
        "min_lon": 31.73922999999999916553861112333834171295166015625,
        "max_lat": 31.534318299999998913563103997148573398590087890625,
        "max_lon": 31.739411700000001559374140924774110317230224609375
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 11, 2026 20:59 UTC 80.0%
  • Zone: discovered_020
  • Duration: 5h 3m
  • Data Points: 20 AIS positions
  • Period: 2026-06-11T20:59:58+00:00 to 2026-06-12T02:03:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 303.1000000000000227373675443232059478759765625,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-06-11T20:59:58+00:00",
        "lat": 31.534220000000001249418346560560166835784912109375,
        "lon": 31.73932669999999944820956443436443805694580078125
    },
    "last_point": {
        "ts": "2026-06-12T02:03:02+00:00",
        "lat": 31.53410170000000078971424954943358898162841796875,
        "lon": 31.73922999999999916553861112333834171295166015625
    }
}
Methodology: 2026.01.18
Loiter discovered_020
Jun 11, 2026 20:59 UTC 75.0%
  • Duration: 5h 3m
  • Radius: 16 meters
  • Data Points: 20 AIS positions
  • Centroid: 31.5342, 31.7393
  • Zone: discovered_020
Show Raw Evidence JSON
{
    "radius_m": 15.5,
    "duration_minutes": 303.1000000000000227373675443232059478759765625,
    "points": 20,
    "centroid": {
        "lat": 31.534202839999995404696164769120514392852783203125,
        "lon": 31.739320419999994982163116219453513622283935546875
    },
    "bbox": {
        "min_lat": 31.53410170000000078971424954943358898162841796875,
        "min_lon": 31.73922999999999916553861112333834171295166015625,
        "max_lat": 31.534318299999998913563103997148573398590087890625,
        "max_lon": 31.739411700000001559374140924774110317230224609375
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 11, 2026 19:00 UTC 80.0%
  • Zone: discovered_020
  • Duration: 6h 27m
  • Data Points: 25 AIS positions
  • Period: 2026-06-11T19:35:59+00:00 to 2026-06-12T02:03:02+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 387.1000000000000227373675443232059478759765625,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-06-11T19:35:59+00:00",
        "lat": 31.5341667000000001053194864653050899505615234375,
        "lon": 31.73926829999999910114638623781502246856689453125
    },
    "last_point": {
        "ts": "2026-06-12T02:03:02+00:00",
        "lat": 31.53410170000000078971424954943358898162841796875,
        "lon": 31.73922999999999916553861112333834171295166015625
    }
}
Methodology: 2026.01.18
Loiter discovered_020
Jun 11, 2026 19:00 UTC 75.0%
  • Duration: 6h 27m
  • Radius: 16 meters
  • Data Points: 25 AIS positions
  • Centroid: 31.5342, 31.7393
  • Zone: discovered_020
Show Raw Evidence JSON
{
    "radius_m": 16.300000000000000710542735760100185871124267578125,
    "duration_minutes": 387.1000000000000227373675443232059478759765625,
    "points": 25,
    "centroid": {
        "lat": 31.5341986039999966351388138718903064727783203125,
        "lon": 31.739311468000000360234480467624962329864501953125
    },
    "bbox": {
        "min_lat": 31.53410170000000078971424954943358898162841796875,
        "min_lon": 31.73922999999999916553861112333834171295166015625,
        "max_lat": 31.534318299999998913563103997148573398590087890625,
        "max_lon": 31.739411700000001559374140924774110317230224609375
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 11, 2026 18:56 UTC 80.0%
  • Zone: discovered_020
  • Duration: 6h 33m
  • Data Points: 23 AIS positions
  • Period: 2026-06-11T18:56:57+00:00 to 2026-06-12T01:30:04+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 393.1000000000000227373675443232059478759765625,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-06-11T18:56:57+00:00",
        "lat": 31.534103300000001723901732475496828556060791015625,
        "lon": 31.739208300000001372609403915703296661376953125
    },
    "last_point": {
        "ts": "2026-06-12T01:30:04+00:00",
        "lat": 31.5341599999999999681676854379475116729736328125,
        "lon": 31.73927499999999923829818726517260074615478515625
    }
}
Methodology: 2026.01.18
Loiter discovered_020
Jun 11, 2026 18:56 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 18 meters
  • Data Points: 23 AIS positions
  • Centroid: 31.5342, 31.7393
  • Zone: discovered_020
Show Raw Evidence JSON
{
    "radius_m": 18.199999999999999289457264239899814128875732421875,
    "duration_minutes": 393.1000000000000227373675443232059478759765625,
    "points": 23,
    "centroid": {
        "lat": 31.53418579999999593610482406802475452423095703125,
        "lon": 31.73929927826086583309006527997553348541259765625
    },
    "bbox": {
        "min_lat": 31.534054999999998614157448173500597476959228515625,
        "min_lon": 31.739200000000000301270119962282478809356689453125,
        "max_lat": 31.534318299999998913563103997148573398590087890625,
        "max_lon": 31.739411700000001559374140924774110317230224609375
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 9, 2026 21:17 UTC 80.0%
  • Zone: discovered_020
  • Duration: 2h 33m
  • Data Points: 2 AIS positions
  • Period: 2026-06-09T21:17:39+00:00 to 2026-06-09T23:50:41+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 153,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-06-09T21:17:39+00:00",
        "lat": 31.37797499999999928377292235381901264190673828125,
        "lon": 32.27443170000000094432834885083138942718505859375
    },
    "last_point": {
        "ts": "2026-06-09T23:50:41+00:00",
        "lat": 31.378086700000000774934960645623505115509033203125,
        "lon": 32.27490329999999829624357516877353191375732421875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 9, 2026 19:02 UTC 80.0%
  • Zone: discovered_020
  • Duration: 4h 47m
  • Data Points: 3 AIS positions
  • Period: 2026-06-09T19:02:46+00:00 to 2026-06-09T23:50:41+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 287.8999999999999772626324556767940521240234375,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-06-09T19:02:46+00:00",
        "lat": 31.457571699999999026431396487168967723846435546875,
        "lon": 32.41621330000000256177372648380696773529052734375
    },
    "last_point": {
        "ts": "2026-06-09T23:50:41+00:00",
        "lat": 31.378086700000000774934960645623505115509033203125,
        "lon": 32.27490329999999829624357516877353191375732421875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 9, 2026 18:29 UTC 80.0%
  • Zone: discovered_020
  • Duration: 5h 21m
  • Data Points: 11 AIS positions
  • Period: 2026-06-09T18:29:37+00:00 to 2026-06-09T23:50:41+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 321.1000000000000227373675443232059478759765625,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-06-09T18:29:37+00:00",
        "lat": 31.44355829999999940582711133174598217010498046875,
        "lon": 32.48122330000000346217348123900592327117919921875
    },
    "last_point": {
        "ts": "2026-06-09T23:50:41+00:00",
        "lat": 31.378086700000000774934960645623505115509033203125,
        "lon": 32.27490329999999829624357516877353191375732421875
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 9, 2026 13:08 UTC 80.0%
  • Zone: discovered_020
  • Duration: 5h 54m
  • Data Points: 14 AIS positions
  • Period: 2026-06-09T13:08:44+00:00 to 2026-06-09T19:02:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 354,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-06-09T13:08:44+00:00",
        "lat": 31.44231669999999922993083600886166095733642578125,
        "lon": 32.48180169999999833407855476252734661102294921875
    },
    "last_point": {
        "ts": "2026-06-09T19:02:46+00:00",
        "lat": 31.457571699999999026431396487168967723846435546875,
        "lon": 32.41621330000000256177372648380696773529052734375
    }
}
Methodology: 2026.01.18
Sts discovered_020
Jun 9, 2026 13:01 UTC 80/100
Vessel A: IMO 9337016 (CRONUS) LIBERIA
Vessel B: IMO 9460825 (DILOS) LIBERIA
  • Minimum Distance: 75 meters
  • Average Distance: 80 meters
  • Duration: 54 minutes
  • Period: 2026-06-09T13:01:24+00:00 to 2026-06-09T13:55:49+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: discovered_020

Confidence Analysis

Score: 80/100

High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 75m, avg 80m) for 54 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Monitoring Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 75m, avg 80m
Duration10/25Duration 54 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±3m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 636023785,
        "imo": 9337016,
        "name": "CRONUS",
        "flag": "LIBERIA"
    },
    "vessel_b": {
        "mmsi": 636014361,
        "imo": 9460825,
        "name": "DILOS",
        "flag": "LIBERIA"
    },
    "min_distance_m": 75.2000000000000028421709430404007434844970703125,
    "avg_distance_m": 80,
    "distance_consistency_m": 2.79999999999999982236431605997495353221893310546875,
    "duration_minutes": 54.39999999999999857891452847979962825775146484375,
    "overlap_duration_s": 3265,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-09T13:01:24+00:00",
        "end": "2026-06-09T13:55:49+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 75m, avg 80m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 54 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b13m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Monitoring Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (CRONUS and DILOS) maintained close proximity (min 75m, avg 80m) for 54 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Monitoring Zone, a known STS activity area."
    }
}
Methodology: 2026.01.18
Zone Dwell discovered_020
Jun 9, 2026 12:11 UTC 80.0%
  • Zone: discovered_020
  • Duration: 6h 27m
  • Data Points: 15 AIS positions
  • Period: 2026-06-09T12:35:40+00:00 to 2026-06-09T19:02:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 387.1000000000000227373675443232059478759765625,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-06-09T12:35:40+00:00",
        "lat": 31.442433300000001139551386586390435695648193359375,
        "lon": 32.482044999999999390638549812138080596923828125
    },
    "last_point": {
        "ts": "2026-06-09T19:02:46+00:00",
        "lat": 31.457571699999999026431396487168967723846435546875,
        "lon": 32.41621330000000256177372648380696773529052734375
    }
}
Methodology: 2026.01.18

Recent Position Data

Time (UTC) Lat Lon Speed Course Zone
Jul 22 07:57 31.4393 32.4780 0.0 kn 0.0° Western Black Sea Surveillance Zone
Jul 22 07:45 31.4393 32.4780 0.1 kn 352.2° Western Black Sea Surveillance Zone
Jul 20 00:00 31.3845 32.2737 6.6 kn 275.9° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:46 31.3777 32.3121 0.0 kn 37.8° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:43 31.3776 32.3121 0.0 kn 18.5° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:41 31.3776 32.3121 0.0 kn 180.7° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:38 31.3776 32.3121 0.0 kn 180.7° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:33 31.3777 32.3121 0.1 kn 247.3° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:30 31.3777 32.3122 0.1 kn 286.1° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:27 31.3775 32.3126 1.4 kn 317.4° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:24 31.3769 32.3134 0.8 kn 308.4° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 19:04 31.3871 32.2837 6.5 kn 111.8° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 18:58 31.3909 32.2720 6.0 kn 107.2° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 18:56 31.3923 32.2686 6.1 kn 137.7° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 18:41 31.4062 32.2606 0.7 kn 344.4° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 18:37 31.4055 32.2608 0.5 kn 338.2° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 18:22 31.4054 32.2609 0.0 kn 90.3° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 17:58 31.4054 32.2609 0.1 kn 277.0° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 17:52 31.4054 32.2609 0.0 kn 125.8° Black Sea Sanctioned Vessel Monitoring Zone
Jul 19 17:40 31.4054 32.2609 0.0 kn 298.5° Black Sea Sanctioned Vessel Monitoring Zone

Showing 20 of 100 recent positions.

Data Source

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

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