BEAST

IMO 9290921

Vessel information

Vessel Name BEAST View name history 📜
IMO Number 9290921
MMSI 667001236
Vessel Type Chemical/Products Tanker
Flag 🇸🇱 Sierra leone View flag history 📜
Call Sign 9LU2817
Gross Tonnage 30,030 GT
Year Built 2005

Sanctioned by

🇪🇺 EU 2025-05-06🇬🇧 UK 2025-05-09🇨🇦 CA 2025-06-13🇦🇺 AU 2025-09-18

Company & Ownership

🏢
Ocean Voyage Corp
IMO Company: 6386819
Address Suite 10, 3rd Floor, La Ciotat, Mont Fleuri, Mahe Island Seychelles.
Status Active
Fleet 1.0 owner, 1.0 operator, 1.0 manager, 0.0 beneficial

Management & Operations

ISM Manager
TIDAL TECH MARINERS LLC
Apartment 47, Heydar Aliyev Avenue 32, AZ 5000, Sumqayit Azerbaijan.
Commercial Manager
OCEAN VOYAGE CORP
Suite 10, 3rd Floor, La Ciotat, Mont Fleuri, Mahe Island Seychelles.
Registered Owner
OCEAN VOYAGE CORP
Suite 10, 3rd Floor, La Ciotat, Mont Fleuri, Mahe Island Seychelles.

Classification & Safety

Current Classification
Russian Maritime Register of Shipping Delivered

Port State Control (PSC) Inspections

⚠️
Risk Level
LOW
Last 36 Months
5
Inspections
Last Inspection
📍 Tuapse
📅 2024-11-26

Survey Renewal & Certificates

Code Type Issuer Issued Expires
533 Maritime Labour Certificate Lloyd`s Register (160) 03/09/2023 02/09/2028
510 Safety Management Certificate Lloyd`s Register (160) 03/09/2023 27/08/2028

Programs & Notes

AU vessel designations (DFAT) | SEMA (Canada) — vessel designations | The Russia (Sanctions) (EU Exit) Regulations 2019 | Added in EU Sanctions Package 17 | (Council Decision (CFSP) 2025/931, Annex XVI to Decision 2014/512/CFSP) | Press Release | Official Journal

DateOfListing: 2025-05-21 || DateDesignated: 2025-05-09 | Shipping sanctions: (see “Other information”) | Shipping sanctions: a specified ship is prohibited from being provided with access to or having its master or pilot cause it to enter a port in the UK, may have its registration on the UK Ship Register terminated, and a master or pilot of a specified ship may be given a port barring direction, a detention direction, and a port entry direction or a movement direction. | IMO 9290921 (“BEAST”) is and has been involved in a relevant activity as it is used for an activity whose object or effect is to destabilise Ukraine or undermine or threaten the territorial integrity, sovereignty or independence of Ukraine or to obtain a benefit from or support the Government of Russia. Namely, BEAST is and has been used for carrying oil or oil products that originated in Russia from Russia to a third country.

Vessel Changes

8 changes

AIS Events

50 events detected • 2 zones • Last: Jun 5, 2026

Loiter Eastern Mediterranean Monitoring Zone Jun 5, 2026 05:42 UTC 75.0%
  • Duration: 5h 36m
  • Radius: 369 meters
  • Data Points: 35 AIS positions
  • Centroid: 31.5148, 32.3877
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 368.80000000000001136868377216160297393798828125,
    "duration_minutes": 336.5,
    "points": 35,
    "centroid": {
        "lat": 31.514804288571422574705138686113059520721435546875,
        "lon": 32.38771286571428476008804864250123500823974609375
    },
    "bbox": {
        "min_lat": 31.5115167000000013786120689474046230316162109375,
        "min_lon": 32.38745000000000118234311230480670928955078125,
        "max_lat": 31.51568329999999917845343588851392269134521484375,
        "max_lon": 32.3883000000000009777068044058978557586669921875
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 5, 2026 05:42 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 5h 36m
  • Data Points: 35 AIS positions
  • Period: 2026-06-05T05:42:29+00:00 to 2026-06-05T11:19:01+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 336.5,
    "points_in_zone": 35,
    "first_point": {
        "ts": "2026-06-05T05:42:29+00:00",
        "lat": 31.51568329999999917845343588851392269134521484375,
        "lon": 32.38801670000000143545548780821263790130615234375
    },
    "last_point": {
        "ts": "2026-06-05T11:19:01+00:00",
        "lat": 31.514600000000001500666257925331592559814453125,
        "lon": 32.38754999999999739657141617499291896820068359375
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 5, 2026 03:06 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 162 meters
  • Data Points: 25 AIS positions
  • Centroid: 31.5151, 32.3878
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 162,
    "duration_minutes": 390,
    "points": 25,
    "centroid": {
        "lat": 31.515147999999999939291228656657040119171142578125,
        "lon": 32.3877706759999881569456192664802074432373046875
    },
    "bbox": {
        "min_lat": 31.51466669999999936635504127480089664459228515625,
        "min_lon": 32.3875833000000028505382942967116832733154296875,
        "max_lat": 31.516600000000000392219590139575302600860595703125,
        "max_lon": 32.38801670000000143545548780821263790130615234375
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 5, 2026 03:06 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 30m
  • Data Points: 25 AIS positions
  • Period: 2026-06-05T03:30:29+00:00 to 2026-06-05T10:00:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 390,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-06-05T03:30:29+00:00",
        "lat": 31.516600000000000392219590139575302600860595703125,
        "lon": 32.3875833000000028505382942967116832733154296875
    },
    "last_point": {
        "ts": "2026-06-05T10:00:28+00:00",
        "lat": 31.51466669999999936635504127480089664459228515625,
        "lon": 32.38759999999999905639924691058695316314697265625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 5, 2026 02:06 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 106 meters
  • Data Points: 23 AIS positions
  • Centroid: 31.5157, 32.3878
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 105.5,
    "duration_minutes": 396,
    "points": 23,
    "centroid": {
        "lat": 31.515734043478261128257145173847675323486328125,
        "lon": 32.38777463913043419552195700816810131072998046875
    },
    "bbox": {
        "min_lat": 31.514783300000001275975591852329671382904052734375,
        "min_lon": 32.38756670000000070785972638987004756927490234375,
        "max_lat": 31.516600000000000392219590139575302600860595703125,
        "max_lon": 32.38801670000000143545548780821263790130615234375
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 5, 2026 02:06 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 36m
  • Data Points: 23 AIS positions
  • Period: 2026-06-05T02:51:28+00:00 to 2026-06-05T09:27:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 396,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-06-05T02:51:28+00:00",
        "lat": 31.51650000000000062527760746888816356658935546875,
        "lon": 32.38756670000000070785972638987004756927490234375
    },
    "last_point": {
        "ts": "2026-06-05T09:27:29+00:00",
        "lat": 31.514816700000000793124854681082069873809814453125,
        "lon": 32.3876666999999969220880302600562572479248046875
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 23:15 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 198 meters
  • Data Points: 20 AIS positions
  • Centroid: 31.5166, 32.3874
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 198.19999999999998863131622783839702606201171875,
    "duration_minutes": 393,
    "points": 20,
    "centroid": {
        "lat": 31.516561664999994007985151256434619426727294921875,
        "lon": 32.38740082999999714274963480420410633087158203125
    },
    "bbox": {
        "min_lat": 31.51559999999999917008608463220298290252685546875,
        "min_lon": 32.3853332999999992125594872049987316131591796875,
        "max_lat": 31.516916699999999451620169566012918949127197265625,
        "max_lon": 32.38801670000000143545548780821263790130615234375
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 23:15 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 33m
  • Data Points: 20 AIS positions
  • Period: 2026-06-04T23:24:30+00:00 to 2026-06-05T05:57:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 393,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-06-04T23:24:30+00:00",
        "lat": 31.516799999999999926103555480949580669403076171875,
        "lon": 32.3853332999999992125594872049987316131591796875
    },
    "last_point": {
        "ts": "2026-06-05T05:57:28+00:00",
        "lat": 31.51559999999999917008608463220298290252685546875,
        "lon": 32.38796669999999977562765707261860370635986328125
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 22:09 UTC 75.0%
  • Duration: 5h 33m
  • Radius: 225 meters
  • Data Points: 26 AIS positions
  • Centroid: 31.5162, 32.3866
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 224.69999999999998863131622783839702606201171875,
    "duration_minutes": 333,
    "points": 26,
    "centroid": {
        "lat": 31.516248076923073284660858917050063610076904296875,
        "lon": 32.38661217307691941869052243418991565704345703125
    },
    "bbox": {
        "min_lat": 31.5146332999999998492057784460484981536865234375,
        "min_lon": 32.38470000000000226236807066015899181365966796875,
        "max_lat": 31.516916699999999451620169566012918949127197265625,
        "max_lon": 32.38773330000000072459442890249192714691162109375
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 22:09 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 5h 33m
  • Data Points: 26 AIS positions
  • Period: 2026-06-04T22:09:30+00:00 to 2026-06-05T03:42:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 333,
    "points_in_zone": 26,
    "first_point": {
        "ts": "2026-06-04T22:09:30+00:00",
        "lat": 31.5146332999999998492057784460484981536865234375,
        "lon": 32.38519999999999754436430521309375762939453125
    },
    "last_point": {
        "ts": "2026-06-05T03:42:29+00:00",
        "lat": 31.51658330000000063364495872519910335540771484375,
        "lon": 32.38761670000000236768755712546408176422119140625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 21:03 UTC 75.0%
  • Duration: 6h 29m
  • Radius: 292 meters
  • Data Points: 35 AIS positions
  • Centroid: 31.5159, 32.3862
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 292,
    "duration_minutes": 389.6000000000000227373675443232059478759765625,
    "points": 35,
    "centroid": {
        "lat": 31.515866665714288075150761869736015796661376953125,
        "lon": 32.38622665999999838959411135874688625335693359375
    },
    "bbox": {
        "min_lat": 31.514450000000000073896444519050419330596923828125,
        "min_lon": 32.38321669999999841138560441322624683380126953125,
        "max_lat": 31.516916699999999451620169566012918949127197265625,
        "max_lon": 32.38773330000000072459442890249192714691162109375
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 21:03 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 29m
  • Data Points: 35 AIS positions
  • Period: 2026-06-04T21:12:50+00:00 to 2026-06-05T03:42:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 389.6000000000000227373675443232059478759765625,
    "points_in_zone": 35,
    "first_point": {
        "ts": "2026-06-04T21:12:50+00:00",
        "lat": 31.51451670000000149229890666902065277099609375,
        "lon": 32.38544999999999873807610129006206989288330078125
    },
    "last_point": {
        "ts": "2026-06-05T03:42:29+00:00",
        "lat": 31.51658330000000063364495872519910335540771484375,
        "lon": 32.38761670000000236768755712546408176422119140625
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Mediterranean Surveillance Zone Jun 4, 2026 20:22 UTC 57/100
Vessel A: BEAST (BEAST) SIERRA LEONE
Vessel B: IMO 9286059 (MILANO) LIBERIA
  • Minimum Distance: 78 meters
  • Average Distance: 151 meters
  • Duration: 30 minutes
  • Period: 2026-06-04T20:22:57+00:00 to 2026-06-04T20:52:58+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.6 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 57/100

Low-confidence STS candidate – may warrant review. Two tankers (BEAST and MILANO) maintained close proximity (min 78m, avg 151m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.6 knots). Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 78m, avg 151m
Duration5/25Duration 30 minutes
Speed Stability12/20both very slow; somewhat variable speeds
Distance Consistency5/15Distance variance ±103m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Mediterranean Surveillance Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-06-05T00:15:04.084361+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001236,
        "imo": 9290921,
        "name": "BEAST",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 636022825,
        "imo": 9286059,
        "name": "MILANO",
        "flag": "LIBERIA"
    },
    "min_distance_m": 77.7000000000000028421709430404007434844970703125,
    "avg_distance_m": 150.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 103.400000000000005684341886080801486968994140625,
    "duration_minutes": 30,
    "overlap_duration_s": 1801,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0.59999999999999997779553950749686919152736663818359375,
    "speed_b_std": 0.84999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.59999999999999997779553950749686919152736663818359375,
            "max_sog": 1.1999999999999999555910790149937383830547332763671875
        }
    },
    "time_window": {
        "start": "2026-06-04T20:22:57+00:00",
        "end": "2026-06-04T20:52:58+00:00"
    },
    "points_count": {
        "vessel_a": 2,
        "vessel_b": 2
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 57,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 78m, avg 151m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 30 minutes"
            },
            "speed_stability": {
                "score": 12,
                "max": 20,
                "detail": "both very slow; somewhat variable speeds"
            },
            "distance_consistency": {
                "score": 5,
                "max": 15,
                "detail": "Distance variance \u00b1103m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (BEAST and MILANO) maintained close proximity (min 78m, avg 151m) for 30 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.6 knots). Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.716988300000000577938408241607248783111572265625,
            "lon": 35.99931000000000125282895169220864772796630859375
        },
        "time_window": {
            "start_ts": "2026-06-04T20:22:57+00:00",
            "end_ts": "2026-06-04T20:52:58+00:00"
        },
        "searched_at": "2026-06-05T00:15:04.084361+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Mediterranean Surveillance Zone Jun 4, 2026 20:22 UTC 72/100
Vessel A: BEAST (BEAST) SIERRA LEONE
Vessel B: AKAR WEST (AKAR WEST) CAMEROON
  • Minimum Distance: 79 meters
  • Average Distance: 108 meters
  • Duration: 32 minutes
  • Period: 2026-06-04T20:22:57+00:00 to 2026-06-04T20:55:08+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 72/100

Moderate-confidence STS candidate. Two tankers (BEAST and AKAR WEST) maintained close proximity (min 79m, avg 108m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 79m, avg 108m
Duration5/25Duration 32 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±48m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Mediterranean Surveillance Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-06-04T23:00:01.620710+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001236,
        "imo": 9290921,
        "name": "BEAST",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 613612000,
        "imo": 9258167,
        "name": "AKAR WEST",
        "flag": "CAMEROON"
    },
    "min_distance_m": 78.599999999999994315658113919198513031005859375,
    "avg_distance_m": 108.2000000000000028421709430404007434844970703125,
    "distance_consistency_m": 47.7000000000000028421709430404007434844970703125,
    "duration_minutes": 32.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 1931,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:22:57+00:00",
        "end": "2026-06-04T20:55:08+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 72,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 79m, avg 108m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 32 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b148m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (BEAST and AKAR WEST) maintained close proximity (min 79m, avg 108m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.716986299999998522025634883902966976165771484375,
            "lon": 35.99909579999999920119080343283712863922119140625
        },
        "time_window": {
            "start_ts": "2026-06-04T20:22:57+00:00",
            "end_ts": "2026-06-04T20:55:08+00:00"
        },
        "searched_at": "2026-06-04T23:00:01.620710+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Mediterranean Surveillance Zone Jun 4, 2026 20:10 UTC 68/100
Vessel A: BEAST (BEAST) SIERRA LEONE
Vessel B: JASPER (JASPER) CAMEROON
  • Minimum Distance: 80 meters
  • Average Distance: 143 meters
  • Duration: 44 minutes
  • Period: 2026-06-04T20:10:57+00:00 to 2026-06-04T20:55:08+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 68/100

Moderate-confidence STS candidate. Two tankers (BEAST and JASPER) maintained close proximity (min 80m, avg 143m) for 44 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 80m, avg 143m
Duration5/25Duration 44 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±56m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Mediterranean Surveillance Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-06-05T00:15:01.667136+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001236,
        "imo": 9290921,
        "name": "BEAST",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 613472020,
        "imo": 9299886,
        "name": "JASPER",
        "flag": "CAMEROON"
    },
    "min_distance_m": 80.400000000000005684341886080801486968994140625,
    "avg_distance_m": 143.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 55.7999999999999971578290569595992565155029296875,
    "duration_minutes": 44.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2651,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-06-04T20:10:57+00:00",
        "end": "2026-06-04T20:55:08+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 68,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 80m, avg 143m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 44 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b156m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (BEAST and JASPER) maintained close proximity (min 80m, avg 143m) for 44 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.716828799999998267367118387483060359954833984375,
            "lon": 35.9990731999999979962012730538845062255859375
        },
        "time_window": {
            "start_ts": "2026-06-04T20:10:57+00:00",
            "end_ts": "2026-06-04T20:55:08+00:00"
        },
        "searched_at": "2026-06-05T00:15:01.667136+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Mediterranean Surveillance Zone Jun 4, 2026 20:10 UTC 68/100
Vessel A: BEAST (BEAST) SIERRA LEONE
Vessel B: OPAL (OPAL) CAMEROON
  • Minimum Distance: 83 meters
  • Average Distance: 144 meters
  • Duration: 44 minutes
  • Period: 2026-06-04T20:10:57+00:00 to 2026-06-04T20:55:08+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 68/100

Moderate-confidence STS candidate. Two tankers (BEAST and OPAL) maintained close proximity (min 83m, avg 144m) for 44 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 83m, avg 144m
Duration5/25Duration 44 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±54m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Mediterranean Surveillance Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-06-04T23:15:11.781135+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001236,
        "imo": 9290921,
        "name": "BEAST",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 613407500,
        "imo": 9286023,
        "name": "OPAL",
        "flag": "CAMEROON"
    },
    "min_distance_m": 82.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 143.599999999999994315658113919198513031005859375,
    "distance_consistency_m": 54,
    "duration_minutes": 44.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2651,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:10:57+00:00",
        "end": "2026-06-04T20:55:08+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 68,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 83m, avg 144m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 44 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b154m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (BEAST and OPAL) maintained close proximity (min 83m, avg 144m) for 44 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.0 knots). Moderate distance variation observed during the encounter. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.716821700000000561203705728985369205474853515625,
            "lon": 35.99907069999999720266714575700461864471435546875
        },
        "time_window": {
            "start_ts": "2026-06-04T20:10:57+00:00",
            "end_ts": "2026-06-04T20:55:08+00:00"
        },
        "searched_at": "2026-06-04T23:15:11.781135+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Mediterranean Surveillance Zone Jun 4, 2026 20:10 UTC 75/100
Vessel A: BEAST (BEAST) SIERRA LEONE
Vessel B: IMO 9412074 (ANDOVER) LIBERIA
  • Minimum Distance: 6 meters
  • Average Distance: 30 meters
  • Duration: 44 minutes
  • Period: 2026-06-04T20:10:57+00:00 to 2026-06-04T20:55:08+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (BEAST and ANDOVER) maintained close proximity (min 6m, avg 30m) for 44 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 6m, avg 30m
Duration5/25Duration 44 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±23m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Mediterranean Surveillance Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-06-04T22:45:11.891893+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001236,
        "imo": 9290921,
        "name": "BEAST",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 636025578,
        "imo": 9412074,
        "name": "ANDOVER",
        "flag": "LIBERIA"
    },
    "min_distance_m": 6,
    "avg_distance_m": 30,
    "distance_consistency_m": 23.39999999999999857891452847979962825775146484375,
    "duration_minutes": 44.2000000000000028421709430404007434844970703125,
    "overlap_duration_s": 2651,
    "speed_a_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_a_std": 0,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:10:57+00:00",
        "end": "2026-06-04T20:55:08+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 6m, avg 30m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 44 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b123m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (BEAST and ANDOVER) maintained close proximity (min 6m, avg 30m) for 44 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.7164700000000010504663805477321147918701171875,
            "lon": 35.9987382999999994126483215950429439544677734375
        },
        "time_window": {
            "start_ts": "2026-06-04T20:10:57+00:00",
            "end_ts": "2026-06-04T20:55:08+00:00"
        },
        "searched_at": "2026-06-04T22:45:11.891893+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 18:04 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 1h 57m
  • Data Points: 9 AIS positions
  • Period: 2026-06-04T18:04:57+00:00 to 2026-06-04T20:01:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 117,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-06-04T18:04:57+00:00",
        "lat": 31.514416700000001725356923998333513736724853515625,
        "lon": 32.3855999999999966121322358958423137664794921875
    },
    "last_point": {
        "ts": "2026-06-04T20:01:59+00:00",
        "lat": 31.5144982999999996309270500205457210540771484375,
        "lon": 32.385463299999997843769961036741733551025390625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 17:04 UTC 75.0%
  • Duration: 2h 57m
  • Radius: 22 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.5144, 32.3856
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 22.300000000000000710542735760100185871124267578125,
    "duration_minutes": 177,
    "points": 12,
    "centroid": {
        "lat": 31.514413733333331180119785130955278873443603515625,
        "lon": 32.3855608333333293558098375797271728515625
    },
    "bbox": {
        "min_lat": 31.514316699999998405701262527145445346832275390625,
        "min_lon": 32.385463299999997843769961036741733551025390625,
        "max_lat": 31.5144982999999996309270500205457210540771484375,
        "max_lon": 32.38576669999999779747668071649968624114990234375
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 17:04 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 2h 57m
  • Data Points: 12 AIS positions
  • Period: 2026-06-04T17:04:58+00:00 to 2026-06-04T20:01:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 177,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-06-04T17:04:58+00:00",
        "lat": 31.514316699999998405701262527145445346832275390625,
        "lon": 32.38576669999999779747668071649968624114990234375
    },
    "last_point": {
        "ts": "2026-06-04T20:01:59+00:00",
        "lat": 31.5144982999999996309270500205457210540771484375,
        "lon": 32.385463299999997843769961036741733551025390625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 16:49 UTC 75.0%
  • Duration: 3h 12m
  • Radius: 26 meters
  • Data Points: 14 AIS positions
  • Centroid: 31.5144, 32.3856
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 26.199999999999999289457264239899814128875732421875,
    "duration_minutes": 192,
    "points": 14,
    "centroid": {
        "lat": 31.514397485714287228120156214572489261627197265625,
        "lon": 32.38559857142856657219454064033925533294677734375
    },
    "bbox": {
        "min_lat": 31.51429999999999864712663111276924610137939453125,
        "min_lon": 32.385463299999997843769961036741733551025390625,
        "max_lat": 31.5144982999999996309270500205457210540771484375,
        "max_lon": 32.38584999999999780584403197281062602996826171875
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 16:49 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 3h 12m
  • Data Points: 14 AIS positions
  • Period: 2026-06-04T16:49:59+00:00 to 2026-06-04T20:01:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 192,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-06-04T16:49:59+00:00",
        "lat": 31.51429999999999864712663111276924610137939453125,
        "lon": 32.38584999999999780584403197281062602996826171875
    },
    "last_point": {
        "ts": "2026-06-04T20:01:59+00:00",
        "lat": 31.5144982999999996309270500205457210540771484375,
        "lon": 32.385463299999997843769961036741733551025390625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 15:13 UTC 75.0%
  • Duration: 4h 48m
  • Radius: 33 meters
  • Data Points: 20 AIS positions
  • Centroid: 31.5144, 32.3857
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 32.89999999999999857891452847979962825775146484375,
    "duration_minutes": 288,
    "points": 20,
    "centroid": {
        "lat": 31.514362410000000380705387215130031108856201171875,
        "lon": 32.38572233500000407957486459054052829742431640625
    },
    "bbox": {
        "min_lat": 31.514250000000000540012479177676141262054443359375,
        "min_lon": 32.385463299999997843769961036741733551025390625,
        "max_lat": 31.5144982999999996309270500205457210540771484375,
        "max_lon": 32.3860499999999973397279973141849040985107421875
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 15:13 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 4h 48m
  • Data Points: 20 AIS positions
  • Period: 2026-06-04T15:13:57+00:00 to 2026-06-04T20:01:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 288,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-06-04T15:13:57+00:00",
        "lat": 31.51426670000000029858711059205234050750732421875,
        "lon": 32.3860499999999973397279973141849040985107421875
    },
    "last_point": {
        "ts": "2026-06-04T20:01:59+00:00",
        "lat": 31.5144982999999996309270500205457210540771484375,
        "lon": 32.385463299999997843769961036741733551025390625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 14:04 UTC 75.0%
  • Duration: 5h 57m
  • Radius: 39 meters
  • Data Points: 29 AIS positions
  • Centroid: 31.5143, 32.3858
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 39.2000000000000028421709430404007434844970703125,
    "duration_minutes": 357,
    "points": 29,
    "centroid": {
        "lat": 31.514338448275847071045063785277307033538818359375,
        "lon": 32.385831493103438560865470208227634429931640625
    },
    "bbox": {
        "min_lat": 31.514250000000000540012479177676141262054443359375,
        "min_lon": 32.385463299999997843769961036741733551025390625,
        "max_lat": 31.5144982999999996309270500205457210540771484375,
        "max_lon": 32.386183299999999007923179306089878082275390625
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 14:04 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 5h 57m
  • Data Points: 29 AIS positions
  • Period: 2026-06-04T14:04:59+00:00 to 2026-06-04T20:01:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 357,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-06-04T14:04:59+00:00",
        "lat": 31.51426670000000029858711059205234050750732421875,
        "lon": 32.386183299999999007923179306089878082275390625
    },
    "last_point": {
        "ts": "2026-06-04T20:01:59+00:00",
        "lat": 31.5144982999999996309270500205457210540771484375,
        "lon": 32.385463299999997843769961036741733551025390625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 13:13 UTC 75.0%
  • Duration: 6h 21m
  • Radius: 42 meters
  • Data Points: 31 AIS positions
  • Centroid: 31.5143, 32.3859
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 41.7000000000000028421709430404007434844970703125,
    "duration_minutes": 381,
    "points": 31,
    "centroid": {
        "lat": 31.514333816129020959806439350359141826629638671875,
        "lon": 32.3858584935483833078251336701214313507080078125
    },
    "bbox": {
        "min_lat": 31.514250000000000540012479177676141262054443359375,
        "min_lon": 32.385463299999997843769961036741733551025390625,
        "max_lat": 31.5144982999999996309270500205457210540771484375,
        "max_lon": 32.38624999999999687361196265555918216705322265625
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 13:13 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 21m
  • Data Points: 31 AIS positions
  • Period: 2026-06-04T13:40:57+00:00 to 2026-06-04T20:01:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 381,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-06-04T13:40:57+00:00",
        "lat": 31.514283299999998888551999698393046855926513671875,
        "lon": 32.38624999999999687361196265555918216705322265625
    },
    "last_point": {
        "ts": "2026-06-04T20:01:59+00:00",
        "lat": 31.5144982999999996309270500205457210540771484375,
        "lon": 32.385463299999997843769961036741733551025390625
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 12:05 UTC 75.0%
  • Duration: 6h 24m
  • Radius: 42 meters
  • Data Points: 35 AIS positions
  • Centroid: 31.5143, 32.3859
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 41.7999999999999971578290569595992565155029296875,
    "duration_minutes": 384,
    "points": 35,
    "centroid": {
        "lat": 31.51432142857142792990998714230954647064208984375,
        "lon": 32.3859204771428466074212337844073772430419921875
    },
    "bbox": {
        "min_lat": 31.5142333000000007814378477632999420166015625,
        "min_lon": 32.38550000000000039790393202565610408782958984375,
        "max_lat": 31.51443330000000031532181310467422008514404296875,
        "max_lon": 32.38624999999999687361196265555918216705322265625
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 12:05 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 24m
  • Data Points: 35 AIS positions
  • Period: 2026-06-04T12:52:58+00:00 to 2026-06-04T19:16:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 384,
    "points_in_zone": 35,
    "first_point": {
        "ts": "2026-06-04T12:52:58+00:00",
        "lat": 31.5142333000000007814378477632999420166015625,
        "lon": 32.38621669999999852507244213484227657318115234375
    },
    "last_point": {
        "ts": "2026-06-04T19:16:57+00:00",
        "lat": 31.51443330000000031532181310467422008514404296875,
        "lon": 32.38550000000000039790393202565610408782958984375
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 11:07 UTC 75.0%
  • Duration: 6h 35m
  • Radius: 54 meters
  • Data Points: 41 AIS positions
  • Centroid: 31.5143, 32.3861
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 53.5,
    "duration_minutes": 395.6000000000000227373675443232059478759765625,
    "points": 41,
    "centroid": {
        "lat": 31.514291873170737545706288074143230915069580078125,
        "lon": 32.38605284878047996244276873767375946044921875
    },
    "bbox": {
        "min_lat": 31.5141832999999991216100170277059078216552734375,
        "min_lon": 32.38550000000000039790393202565610408782958984375,
        "max_lat": 31.51443330000000031532181310467422008514404296875,
        "max_lon": 32.38635000000000019326762412674725055694580078125
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 11:07 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 35m
  • Data Points: 41 AIS positions
  • Period: 2026-06-04T11:53:22+00:00 to 2026-06-04T18:28:58+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 395.6000000000000227373675443232059478759765625,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-06-04T11:53:22+00:00",
        "lat": 31.51429999999999864712663111276924610137939453125,
        "lon": 32.38635000000000019326762412674725055694580078125
    },
    "last_point": {
        "ts": "2026-06-04T18:28:58+00:00",
        "lat": 31.514416700000001725356923998333513736724853515625,
        "lon": 32.385566699999998263592715375125408172607421875
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 10:10 UTC 75.0%
  • Duration: 6h 27m
  • Radius: 42 meters
  • Data Points: 47 AIS positions
  • Centroid: 31.5143, 32.3862
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 42.2999999999999971578290569595992565155029296875,
    "duration_minutes": 387.3999999999999772626324556767940521240234375,
    "points": 47,
    "centroid": {
        "lat": 31.51427553617022425669347285293042659759521484375,
        "lon": 32.3862092212765873000535066239535808563232421875
    },
    "bbox": {
        "min_lat": 31.5141832999999991216100170277059078216552734375,
        "min_lon": 32.38576669999999779747668071649968624114990234375,
        "max_lat": 31.514366700000000065529093262739479541778564453125,
        "max_lon": 32.3865832999999980756911099888384342193603515625
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 10:10 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 27m
  • Data Points: 47 AIS positions
  • Period: 2026-06-04T10:37:35+00:00 to 2026-06-04T17:04:58+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 387.3999999999999772626324556767940521240234375,
    "points_in_zone": 47,
    "first_point": {
        "ts": "2026-06-04T10:37:35+00:00",
        "lat": 31.51429999999999864712663111276924610137939453125,
        "lon": 32.3864166999999980589564074762165546417236328125
    },
    "last_point": {
        "ts": "2026-06-04T17:04:58+00:00",
        "lat": 31.514316699999998405701262527145445346832275390625,
        "lon": 32.38576669999999779747668071649968624114990234375
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 09:04 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 42 meters
  • Data Points: 55 AIS positions
  • Centroid: 31.5143, 32.3863
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 42.2000000000000028421709430404007434844970703125,
    "duration_minutes": 393.30000000000001136868377216160297393798828125,
    "points": 55,
    "centroid": {
        "lat": 31.51427666909091129809894482605159282684326171875,
        "lon": 32.38630606545455492550900089554488658905029296875
    },
    "bbox": {
        "min_lat": 31.5141832999999991216100170277059078216552734375,
        "min_lon": 32.38595000000000112549969344399869441986083984375,
        "max_lat": 31.514366700000000065529093262739479541778564453125,
        "max_lon": 32.38674999999999926103555480949580669403076171875
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 09:04 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 33m
  • Data Points: 55 AIS positions
  • Period: 2026-06-04T09:25:38+00:00 to 2026-06-04T15:58:58+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 393.30000000000001136868377216160297393798828125,
    "points_in_zone": 55,
    "first_point": {
        "ts": "2026-06-04T09:25:38+00:00",
        "lat": 31.514283299999998888551999698393046855926513671875,
        "lon": 32.38674999999999926103555480949580669403076171875
    },
    "last_point": {
        "ts": "2026-06-04T15:58:58+00:00",
        "lat": 31.51429999999999864712663111276924610137939453125,
        "lon": 32.3859666999999973313606460578739643096923828125
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 08:01 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 36 meters
  • Data Points: 58 AIS positions
  • Centroid: 31.5143, 32.3864
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 36.39999999999999857891452847979962825775146484375,
    "duration_minutes": 390.3999999999999772626324556767940521240234375,
    "points": 58,
    "centroid": {
        "lat": 31.514278450000002607112037367187440395355224609375,
        "lon": 32.38636753103448739921077503822743892669677734375
    },
    "bbox": {
        "min_lat": 31.5141832999999991216100170277059078216552734375,
        "min_lon": 32.38600000000000278532752417959272861480712890625,
        "max_lat": 31.514366700000000065529093262739479541778564453125,
        "max_lon": 32.38674999999999926103555480949580669403076171875
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 08:01 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 30m
  • Data Points: 58 AIS positions
  • Period: 2026-06-04T08:58:35+00:00 to 2026-06-04T15:28:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 390.3999999999999772626324556767940521240234375,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-06-04T08:58:35+00:00",
        "lat": 31.514333300000000548379830433987081050872802734375,
        "lon": 32.38673330000000305517460219562053680419921875
    },
    "last_point": {
        "ts": "2026-06-04T15:28:57+00:00",
        "lat": 31.514316699999998405701262527145445346832275390625,
        "lon": 32.3860499999999973397279973141849040985107421875
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 07:30 UTC 75.0%
  • Duration: 6h 34m
  • Radius: 552 meters
  • Data Points: 58 AIS positions
  • Centroid: 31.5143, 32.3864
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 552.200000000000045474735088646411895751953125,
    "duration_minutes": 394.30000000000001136868377216160297393798828125,
    "points": 58,
    "centroid": {
        "lat": 31.51429333620689732242681202478706836700439453125,
        "lon": 32.38641192758620235281341592781245708465576171875
    },
    "bbox": {
        "min_lat": 31.5141832999999991216100170277059078216552734375,
        "min_lon": 32.3806000000000011596057447604835033416748046875,
        "max_lat": 31.514616700000001259240889339707791805267333984375,
        "max_lon": 32.38823330000000311201802105642855167388916015625
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 07:30 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 34m
  • Data Points: 58 AIS positions
  • Period: 2026-06-04T07:42:40+00:00 to 2026-06-04T14:16:59+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 394.30000000000001136868377216160297393798828125,
    "points_in_zone": 58,
    "first_point": {
        "ts": "2026-06-04T07:42:40+00:00",
        "lat": 31.514616700000001259240889339707791805267333984375,
        "lon": 32.38718329999999667734300601296126842498779296875
    },
    "last_point": {
        "ts": "2026-06-04T14:16:59+00:00",
        "lat": 31.514250000000000540012479177676141262054443359375,
        "lon": 32.3860667000000006510163075290620326995849609375
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 06:45 UTC 75.0%
  • Duration: 6h 34m
  • Radius: 559 meters
  • Data Points: 52 AIS positions
  • Centroid: 31.5143, 32.3865
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 559.200000000000045474735088646411895751953125,
    "duration_minutes": 394.30000000000001136868377216160297393798828125,
    "points": 52,
    "centroid": {
        "lat": 31.5143489750000043159161577932536602020263671875,
        "lon": 32.38648413846153317763310042209923267364501953125
    },
    "bbox": {
        "min_lat": 31.5141832999999991216100170277059078216552734375,
        "min_lon": 32.3806000000000011596057447604835033416748046875,
        "max_lat": 31.51673329999999850770109333097934722900390625,
        "max_lon": 32.38823330000000311201802105642855167388916015625
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 06:45 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 34m
  • Data Points: 52 AIS positions
  • Period: 2026-06-04T06:45:40+00:00 to 2026-06-04T13:19:57+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 394.30000000000001136868377216160297393798828125,
    "points_in_zone": 52,
    "first_point": {
        "ts": "2026-06-04T06:45:40+00:00",
        "lat": 31.51673329999999850770109333097934722900390625,
        "lon": 32.38725000000000164845914696343243122100830078125
    },
    "last_point": {
        "ts": "2026-06-04T13:19:57+00:00",
        "lat": 31.51429999999999864712663111276924610137939453125,
        "lon": 32.386200000000002319211489520967006683349609375
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 4, 2026 02:03 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 566 meters
  • Data Points: 19 AIS positions
  • Centroid: 31.5146, 32.3865
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 566.299999999999954525264911353588104248046875,
    "duration_minutes": 390.8999999999999772626324556767940521240234375,
    "points": 19,
    "centroid": {
        "lat": 31.514596315789475511337514035403728485107421875,
        "lon": 32.38654341578946826984974904917180538177490234375
    },
    "bbox": {
        "min_lat": 31.514199999999998880184648442082107067108154296875,
        "min_lon": 32.3806000000000011596057447604835033416748046875,
        "max_lat": 31.51673329999999850770109333097934722900390625,
        "max_lon": 32.38823330000000311201802105642855167388916015625
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 4, 2026 02:03 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 30m
  • Data Points: 19 AIS positions
  • Period: 2026-06-04T02:57:40+00:00 to 2026-06-04T09:28:35+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 390.8999999999999772626324556767940521240234375,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-06-04T02:57:40+00:00",
        "lat": 31.516483300000000866702976054511964321136474609375,
        "lon": 32.3847667000000001280568540096282958984375
    },
    "last_point": {
        "ts": "2026-06-04T09:28:35+00:00",
        "lat": 31.514283299999998888551999698393046855926513671875,
        "lon": 32.38674999999999926103555480949580669403076171875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 3, 2026 18:07 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 1h 6m
  • Data Points: 8 AIS positions
  • Period: 2026-06-03T18:07:32+00:00 to 2026-06-03T19:13:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 66,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-06-03T18:07:32+00:00",
        "lat": 31.51506669999999843412297195754945278167724609375,
        "lon": 32.38459999999999894271240918897092342376708984375
    },
    "last_point": {
        "ts": "2026-06-03T19:13:31+00:00",
        "lat": 31.515416699999999394776750705204904079437255859375,
        "lon": 32.3844500000000010686562745831906795501708984375
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 3, 2026 17:02 UTC 75.0%
  • Duration: 2h 10m
  • Radius: 32 meters
  • Data Points: 19 AIS positions
  • Centroid: 31.5152, 32.3846
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 32.10000000000000142108547152020037174224853515625,
    "duration_minutes": 130.80000000000001136868377216160297393798828125,
    "points": 19,
    "centroid": {
        "lat": 31.51515184210526143715469515882432460784912109375,
        "lon": 32.3845864000000034366166801191866397857666015625
    },
    "bbox": {
        "min_lat": 31.515033299999998916973709128797054290771484375,
        "min_lon": 32.3844500000000010686562745831906795501708984375,
        "max_lat": 31.515416699999999394776750705204904079437255859375,
        "max_lon": 32.384666699999996808401192538440227508544921875
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 3, 2026 17:02 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 2h 10m
  • Data Points: 19 AIS positions
  • Period: 2026-06-03T17:02:42+00:00 to 2026-06-03T19:13:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 130.80000000000001136868377216160297393798828125,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-06-03T17:02:42+00:00",
        "lat": 31.5150517000000007783455657772719860076904296875,
        "lon": 32.384624999999999772626324556767940521240234375
    },
    "last_point": {
        "ts": "2026-06-03T19:13:31+00:00",
        "lat": 31.515416699999999394776750705204904079437255859375,
        "lon": 32.3844500000000010686562745831906795501708984375
    }
}

Methodology: 2026.01.18

Loiter Eastern Mediterranean Monitoring Zone Jun 3, 2026 16:57 UTC 75.0%
  • Duration: 2h 16m
  • Radius: 33 meters
  • Data Points: 20 AIS positions
  • Centroid: 31.5151, 32.3846
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 32.60000000000000142108547152020037174224853515625,
    "duration_minutes": 136.099999999999994315658113919198513031005859375,
    "points": 20,
    "centroid": {
        "lat": 31.5151484149999987494084052741527557373046875,
        "lon": 32.38459074500000411944711231626570224761962890625
    },
    "bbox": {
        "min_lat": 31.515033299999998916973709128797054290771484375,
        "min_lon": 32.3844500000000010686562745831906795501708984375,
        "max_lat": 31.515416699999999394776750705204904079437255859375,
        "max_lon": 32.384673300000002882370608858764171600341796875
    },
    "zone_id": "discovered_020"
}

Methodology: 2026.01.18

Zone Dwell Eastern Mediterranean Monitoring Zone Jun 3, 2026 16:57 UTC 80.0%
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 2h 16m
  • Data Points: 20 AIS positions
  • Period: 2026-06-03T16:57:23+00:00 to 2026-06-03T19:13:31+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 136.099999999999994315658113919198513031005859375,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-06-03T16:57:23+00:00",
        "lat": 31.5150833000000005768015398643910884857177734375,
        "lon": 32.384673300000002882370608858764171600341796875
    },
    "last_point": {
        "ts": "2026-06-03T19:13:31+00:00",
        "lat": 31.515416699999999394776750705204904079437255859375,
        "lon": 32.3844500000000010686562745831906795501708984375
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Mediterranean Surveillance Zone Jun 3, 2026 14:31 UTC 95/100
Vessel A: IMO 9448499 (GAZ SERENITY) PANAMA
Vessel B: BEAST (BEAST) SIERRA LEONE
  • Minimum Distance: 26 meters
  • Average Distance: 52 meters
  • Duration: 2h 22m
  • Period: 2026-06-03T14:31:56+00:00 to 2026-06-03T16:54:33+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 95/100

High-confidence STS candidate. Two tankers (GAZ SERENITY and BEAST) maintained close proximity (min 26m, avg 52m) for 143 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 26m, avg 52m
Duration25/25Duration 143 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±19m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Mediterranean Surveillance Zone

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-06-04T07:00:12.625802+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 372961000,
        "imo": 9448499,
        "name": "GAZ SERENITY",
        "flag": "PANAMA"
    },
    "vessel_b": {
        "mmsi": 667001236,
        "imo": 9290921,
        "name": "BEAST",
        "flag": "SIERRA LEONE"
    },
    "min_distance_m": 26.10000000000000142108547152020037174224853515625,
    "avg_distance_m": 51.5,
    "distance_consistency_m": 18.699999999999999289457264239899814128875732421875,
    "duration_minutes": 142.599999999999994315658113919198513031005859375,
    "overlap_duration_s": 8557,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.08000000000000000166533453693773481063544750213623046875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.08000000000000000166533453693773481063544750213623046875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-03T14:31:56+00:00",
        "end": "2026-06-03T16:54:33+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 26m, avg 52m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 143 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b119m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Mediterranean Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (GAZ SERENITY and BEAST) maintained close proximity (min 26m, avg 52m) for 143 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Mediterranean Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.717081300000000254613041761331260204315185546875,
            "lon": 35.99939069999999929905243334360420703887939453125
        },
        "time_window": {
            "start_ts": "2026-06-03T14:31:56+00:00",
            "end_ts": "2026-06-03T16:54:33+00:00"
        },
        "searched_at": "2026-06-04T07:00:12.625802+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Source snapshot

SanctionerAs ofEntity ID
🇬🇧 UK2025-09-299290921

We mirror official lists; always verify at the source.

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