SKIF

IMO 9419137

Vessel information

Vessel Name SKIF View name history 📜
IMO Number 9419137
MMSI 629009628
Vessel Type Oil Tanker | Navire-citerne pour produits pétroliers
Flag 🇷🇺 Russia View flag history 📜
Call Sign C5J730
Gross Tonnage 62,775 GT
Year Built 2010

Sanctioned by

🇺🇸 US 2025-01-10🇪🇺 EU 2025-02-25🇬🇧 UK 2025-07-21

Company & Ownership

🏢
East Focus Hong Kong Ltd
IMO Company: 6384891
Address C/O: Glory Shipping HK Ltd Unit 613, 6th Floor, LT Tower, 31, Chong Yip Street, Kwun Tong, Kowloon, Hong Kong, China.
Status Active
Fleet 1.0 owner, 0.0 operator, 0.0 manager, 0.0 beneficial

Management & Operations

ISM Manager
IDAS LLC
Litera A, pereulok Shcherbakov 15/34, St Petersburg, 191002, Russia.
Commercial Manager
IDAS LLC
Unit 613, 6th Floor, LT Tower, 31, Chong Yip Street, Kwun Tong, Kowloon, Hong Kong, China.
Registered Owner
EAST FOCUS HONG KONG LTD
Litera A, pereulok Shcherbakov 15/34, St Petersburg, 191002, Russia.

Classification & Safety

Current Classification
Russian Maritime Register of Shipping Delivered

Port State Control (PSC) Inspections

⚠️
Risk Level
LOW
Last 36 Months
1
Inspections
Last Inspection
📍 Aliaga
📅 2023-11-22

Survey Renewal & Certificates

Code Type Issuer Issued Expires
509 Document of Compliance LR 25/06/2021 08/07/2026

Programs & Notes

EU Russia Sanctions – Shadow Fleet | SEMA (Canada) — vessel designations | UKRAINE-EO13662] [RUSSIA-EO14024 | The Russia (Sanctions) (EU Exit) Regulations 2019

DateOfListing: 2025-02-25 || Secondary sanctions risk: See Section 11 of Executive Order 14024.; alt. Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201 and/or 589.209; Vessel Registration Identification IMO 9419137; MMSI 352002488; Linked To: PROMINENT SHIPMANAGEMENT LIMITED. || DateDesignated: 2025-07-21 | 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 9419137 (“Sikar”) is, has been or is likely to be involved in 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, 9419137 is involved in carrying oil or oil products that originated in Russia from Russia to a third country.

Vessel Changes

11 changes

AIS Events

50 events detected • 1 zone • Last: Sep 9, 2026

Sts🛰️✗ Eastern Black Sea Surveillance Zone Sep 9, 2026 20:21 UTC 80/100
Vessel A: SKIF (SKIF) RUSSIA
Vessel B: IMO 9409247 (VALIANT) EQUATORIAL GUINEA
  • Minimum Distance: 51 meters
  • Average Distance: 54 meters
  • Duration: 51 minutes
  • Period: 2026-09-09T20:21:47+00:00 to 2026-09-09T21:12:45+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Eastern Black Sea Surveillance Zone

Confidence Analysis

Score: 80/100

High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 51m, avg 54m) 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 Eastern Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 51m, avg 54m
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: Eastern 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: 2026-09-09T21:45:04.250463+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273275260,
        "imo": 9419137,
        "name": "SKIF",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 631010075,
        "imo": 9409247,
        "name": "VALIANT",
        "flag": "EQUATORIAL GUINEA"
    },
    "min_distance_m": 51.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 53.5,
    "distance_consistency_m": 2.100000000000000088817841970012523233890533447265625,
    "duration_minutes": 51,
    "overlap_duration_s": 3058,
    "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": "2026-09-09T20:21:47+00:00",
        "end": "2026-09-09T21:12:45+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 80,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 51m, avg 54m"
            },
            "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: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 51m, avg 54m) 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 Eastern Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.508563099999999934652805677615106105804443359375,
            "lon": 32.410033900000001949592842720448970794677734375
        },
        "time_window": {
            "start_ts": "2026-09-09T20:21:47+00:00",
            "end_ts": "2026-09-09T21:12:45+00:00"
        },
        "searched_at": "2026-09-09T21:45:04.250463+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 19:01 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 2h 13m
  • Data Points: 7 AIS positions
  • Period: 2026-09-09T19:01:46+00:00 to 2026-09-09T21:15:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 133.900000000000005684341886080801486968994140625,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-09-09T19:01:46+00:00",
        "lat": 31.508546700000000129193722386844456195831298828125,
        "lon": 32.4101332999999982575900503434240818023681640625
    },
    "last_point": {
        "ts": "2026-09-09T21:15:43+00:00",
        "lat": 31.508751700000001250145942321978509426116943359375,
        "lon": 32.410314999999997098711901344358921051025390625
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Black Sea Surveillance Zone Sep 9, 2026 15:28 UTC 95/100
Vessel A: SKIF (SKIF) RUSSIA
Vessel B: IMO 9409247 (VALIANT) EQUATORIAL GUINEA
  • Minimum Distance: 21 meters
  • Average Distance: 42 meters
  • Duration: 3h 35m
  • Period: 2026-09-09T15:28:45+00:00 to 2026-09-09T19:03:46+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Eastern Black Sea Surveillance Zone

Confidence Analysis

Score: 95/100

High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 42m) for 215 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 Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 21m, avg 42m
Duration25/25Duration 215 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±19m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern 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: 2026-09-09T21:15:01.834728+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273275260,
        "imo": 9419137,
        "name": "SKIF",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 631010075,
        "imo": 9409247,
        "name": "VALIANT",
        "flag": "EQUATORIAL GUINEA"
    },
    "min_distance_m": 21.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 41.7000000000000028421709430404007434844970703125,
    "distance_consistency_m": 19.10000000000000142108547152020037174224853515625,
    "duration_minutes": 215,
    "overlap_duration_s": 12901,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-09T15:28:45+00:00",
        "end": "2026-09-09T19:03:46+00:00"
    },
    "points_count": {
        "vessel_a": 4,
        "vessel_b": 4
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 21m, avg 42m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 215 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 Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 42m) for 215 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 Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.50838209999999861565811443142592906951904296875,
            "lon": 32.409768700000000762884155847132205963134765625
        },
        "time_window": {
            "start_ts": "2026-09-09T15:28:45+00:00",
            "end_ts": "2026-09-09T19:03:46+00:00"
        },
        "searched_at": "2026-09-09T21:15:01.834728+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 9, 2026 15:19 UTC 75.0%
  • Duration: 5h 55m
  • Radius: 36 meters
  • Data Points: 10 AIS positions
  • Centroid: 31.5086, 32.4101
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 35.7000000000000028421709430404007434844970703125,
    "duration_minutes": 355.8999999999999772626324556767940521240234375,
    "points": 10,
    "centroid": {
        "lat": 31.50857599999999791862137499265372753143310546875,
        "lon": 32.41007115000000027293936000205576419830322265625
    },
    "bbox": {
        "min_lat": 31.508411699999999910914993961341679096221923828125,
        "min_lon": 32.40974829999999684559952584095299243927001953125,
        "max_lat": 31.508771700000000492991603096015751361846923828125,
        "max_lon": 32.41035500000000268983058049343526363372802734375
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 15:19 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 5h 55m
  • Data Points: 10 AIS positions
  • Period: 2026-09-09T15:19:47+00:00 to 2026-09-09T21:15:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 355.8999999999999772626324556767940521240234375,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-09-09T15:19:47+00:00",
        "lat": 31.508423300000000466525307274423539638519287109375,
        "lon": 32.409913299999999480860424228012561798095703125
    },
    "last_point": {
        "ts": "2026-09-09T21:15:43+00:00",
        "lat": 31.508751700000001250145942321978509426116943359375,
        "lon": 32.410314999999997098711901344358921051025390625
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 9, 2026 14:10 UTC 75.0%
  • Duration: 6h 11m
  • Radius: 57 meters
  • Data Points: 10 AIS positions
  • Centroid: 31.5085, 32.4101
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 57,
    "duration_minutes": 371,
    "points": 10,
    "centroid": {
        "lat": 31.50853848999999939906047075055539608001708984375,
        "lon": 32.41013098999999186844434007070958614349365234375
    },
    "bbox": {
        "min_lat": 31.508411699999999910914993961341679096221923828125,
        "min_lon": 32.40974829999999684559952584095299243927001953125,
        "max_lat": 31.50869829999999893743733991868793964385986328125,
        "max_lon": 32.41070169999999706078597228042781352996826171875
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 14:10 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 11m
  • Data Points: 10 AIS positions
  • Period: 2026-09-09T14:10:48+00:00 to 2026-09-09T20:21:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 371,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-09-09T14:10:48+00:00",
        "lat": 31.50869829999999893743733991868793964385986328125,
        "lon": 32.41070169999999706078597228042781352996826171875
    },
    "last_point": {
        "ts": "2026-09-09T20:21:47+00:00",
        "lat": 31.50860829999999879191818763501942157745361328125,
        "lon": 32.410065000000003010427462868392467498779296875
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Eastern Black Sea Surveillance Zone Sep 9, 2026 14:10 UTC 95/100
Vessel A: SKIF (SKIF) RUSSIA
Vessel B: IMO 9409247 (VALIANT) EQUATORIAL GUINEA
  • Minimum Distance: 21 meters
  • Average Distance: 50 meters
  • Duration: 4h 53m
  • Period: 2026-09-09T14:10:48+00:00 to 2026-09-09T19:03:46+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Eastern Black Sea Surveillance Zone

Confidence Analysis

Score: 95/100

High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 50m) for 293 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 Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 21m, avg 50m
Duration25/25Duration 293 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±19m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern 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: 2026-09-09T20:30:01.490956+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273275260,
        "imo": 9419137,
        "name": "SKIF",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 631010075,
        "imo": 9409247,
        "name": "VALIANT",
        "flag": "EQUATORIAL GUINEA"
    },
    "min_distance_m": 21.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 49.5,
    "distance_consistency_m": 19.10000000000000142108547152020037174224853515625,
    "duration_minutes": 293,
    "overlap_duration_s": 17578,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-09T14:10:48+00:00",
        "end": "2026-09-09T19:03:46+00:00"
    },
    "points_count": {
        "vessel_a": 8,
        "vessel_b": 8
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 95,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 21m, avg 50m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 293 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 Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 50m) for 293 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 Black Sea Surveillance Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 31.508415299999999348301571444608271121978759765625,
            "lon": 32.409945899999996754559106193482875823974609375
        },
        "time_window": {
            "start_ts": "2026-09-09T14:10:48+00:00",
            "end_ts": "2026-09-09T19:03:46+00:00"
        },
        "searched_at": "2026-09-09T20:30:01.490956+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts Eastern Black Sea Surveillance Zone Sep 9, 2026 13:36 UTC 92/100
Vessel A: SKIF (SKIF) RUSSIA
Vessel B: IMO 9409247 (VALIANT) EQUATORIAL GUINEA
  • Minimum Distance: 21 meters
  • Average Distance: 62 meters
  • Duration: 5h 22m
  • Period: 2026-09-09T13:40:51+00:00 to 2026-09-09T19:03:46+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Eastern Black Sea Surveillance Zone

Confidence Analysis

Score: 92/100

High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 62m) for 323 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 Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 21m, avg 62m
Duration25/25Duration 323 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency12/15Distance variance ±30m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273275260,
        "imo": 9419137,
        "name": "SKIF",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 631010075,
        "imo": 9409247,
        "name": "VALIANT",
        "flag": "EQUATORIAL GUINEA"
    },
    "min_distance_m": 21.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 61.5,
    "distance_consistency_m": 30.5,
    "duration_minutes": 322.8999999999999772626324556767940521240234375,
    "overlap_duration_s": 19375,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0,
            "max_sog": 0
        }
    },
    "time_window": {
        "start": "2026-09-09T13:40:51+00:00",
        "end": "2026-09-09T19:03:46+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 21m, avg 62m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 323 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 12,
                "max": 15,
                "detail": "Distance variance \u00b130m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 62m) for 323 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 Black Sea Surveillance Zone, a known STS activity area."
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 9, 2026 13:14 UTC 75.0%
  • Duration: 6h 25m
  • Radius: 77 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.5086, 32.4103
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 77.2000000000000028421709430404007434844970703125,
    "duration_minutes": 385.8999999999999772626324556767940521240234375,
    "points": 12,
    "centroid": {
        "lat": 31.5085768000000001620719558559358119964599609375,
        "lon": 32.41032874166666744031317648477852344512939453125
    },
    "bbox": {
        "min_lat": 31.508411699999999910914993961341679096221923828125,
        "min_lon": 32.40974829999999684559952584095299243927001953125,
        "max_lat": 31.508746699999999663077687728218734264373779296875,
        "max_lon": 32.4111299999999999954525264911353588104248046875
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 13:14 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 25m
  • Data Points: 12 AIS positions
  • Period: 2026-09-09T13:14:54+00:00 to 2026-09-09T19:40:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 385.8999999999999772626324556767940521240234375,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-09-09T13:14:54+00:00",
        "lat": 31.508746699999999663077687728218734264373779296875,
        "lon": 32.41056999999999987949195201508700847625732421875
    },
    "last_point": {
        "ts": "2026-09-09T19:40:47+00:00",
        "lat": 31.508501700000000056434146245010197162628173828125,
        "lon": 32.40991999999999961801222525537014007568359375
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 09:06 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 28m
  • Data Points: 13 AIS positions
  • Period: 2026-09-09T09:06:20+00:00 to 2026-09-09T15:34:48+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 388.5,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-09-09T09:06:20+00:00",
        "lat": 31.5156300000000015870682545937597751617431640625,
        "lon": 32.40868999999999999772626324556767940521240234375
    },
    "last_point": {
        "ts": "2026-09-09T15:34:48+00:00",
        "lat": 31.508411699999999910914993961341679096221923828125,
        "lon": 32.40974829999999684559952584095299243927001953125
    }
}

Methodology: 2026.01.18

Sts Eastern Black Sea Surveillance Zone Sep 9, 2026 09:06 UTC 92/100
Vessel A: SKIF (SKIF) RUSSIA
Vessel B: IMO 9409247 (VALIANT) EQUATORIAL GUINEA
  • Minimum Distance: 21 meters
  • Average Distance: 61 meters
  • Duration: 6h 25m
  • Period: 2026-09-09T09:09:31+00:00 to 2026-09-09T15:34:48+00:00
  • Vessel A Avg Speed: 0.2 knots
  • Vessel B Avg Speed: 0.2 knots
  • Zone: Eastern Black Sea Surveillance Zone

Confidence Analysis

Score: 92/100

High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 61m) for 385 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness25/25Min distance 21m, avg 61m
Duration25/25Duration 385 minutes
Speed Stability17/20both nearly stationary; stable speeds
Distance Consistency15/15Distance variance ±28m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273275260,
        "imo": 9419137,
        "name": "SKIF",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 631010075,
        "imo": 9409247,
        "name": "VALIANT",
        "flag": "EQUATORIAL GUINEA"
    },
    "min_distance_m": 21.39999999999999857891452847979962825775146484375,
    "avg_distance_m": 61,
    "distance_consistency_m": 27.699999999999999289457264239899814128875732421875,
    "duration_minutes": 385.30000000000001136868377216160297393798828125,
    "overlap_duration_s": 23117,
    "speed_a_avg": 0.190000000000000002220446049250313080847263336181640625,
    "speed_a_std": 0.289999999999999980015985556747182272374629974365234375,
    "speed_b_avg": 0.179999999999999993338661852249060757458209991455078125,
    "speed_b_std": 0.340000000000000024424906541753443889319896697998046875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.190000000000000002220446049250313080847263336181640625,
            "max_sog": 0.90000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.179999999999999993338661852249060757458209991455078125,
            "max_sog": 1
        }
    },
    "time_window": {
        "start": "2026-09-09T09:09:31+00:00",
        "end": "2026-09-09T15:34:48+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "score": {
        "value": 92,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 21m, avg 61m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 385 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b128m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Eastern Black Sea Surveillance Zone"
            }
        },
        "summary": "High-confidence STS candidate. Two tankers (SKIF and VALIANT) maintained close proximity (min 21m, avg 61m) for 385 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.2 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Eastern Black Sea Surveillance Zone, a known STS activity area."
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 9, 2026 09:06 UTC 75.0%
  • Duration: 6h 28m
  • Radius: 591 meters
  • Data Points: 13 AIS positions
  • Centroid: 31.5104, 32.4099
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 591.1000000000000227373675443232059478759765625,
    "duration_minutes": 388.5,
    "points": 13,
    "centroid": {
        "lat": 31.510397684615387703388478257693350315093994140625,
        "lon": 32.4098810230769203144518542103469371795654296875
    },
    "bbox": {
        "min_lat": 31.508411699999999910914993961341679096221923828125,
        "min_lon": 32.40845999999999804686012794263660907745361328125,
        "max_lat": 31.5156300000000015870682545937597751617431640625,
        "max_lon": 32.4111299999999999954525264911353588104248046875
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 08:00 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 19m
  • Data Points: 15 AIS positions
  • Period: 2026-09-09T08:00:30+00:00 to 2026-09-09T14:19:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 379.30000000000001136868377216160297393798828125,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-09-09T08:00:30+00:00",
        "lat": 31.5915932999999995445250533521175384521484375,
        "lon": 32.411073299999998198472894728183746337890625
    },
    "last_point": {
        "ts": "2026-09-09T14:19:46+00:00",
        "lat": 31.508590000000001651869752095080912113189697265625,
        "lon": 32.410421700000000555519363842904567718505859375
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 07:18 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 33m
  • Data Points: 18 AIS positions
  • Period: 2026-09-09T07:46:01+00:00 to 2026-09-09T14:19:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 393.80000000000001136868377216160297393798828125,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-09-09T07:46:01+00:00",
        "lat": 31.61198830000000015161276678554713726043701171875,
        "lon": 32.413780000000002701199264265596866607666015625
    },
    "last_point": {
        "ts": "2026-09-09T14:19:46+00:00",
        "lat": 31.508590000000001651869752095080912113189697265625,
        "lon": 32.410421700000000555519363842904567718505859375
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 05:19 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 3h 55m
  • Data Points: 21 AIS positions
  • Period: 2026-09-09T05:19:46+00:00 to 2026-09-09T09:14:50+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 235.099999999999994315658113919198513031005859375,
    "points_in_zone": 21,
    "first_point": {
        "ts": "2026-09-09T05:19:46+00:00",
        "lat": 31.5595967000000001689841155894100666046142578125,
        "lon": 32.35032000000000351747075910679996013641357421875
    },
    "last_point": {
        "ts": "2026-09-09T09:14:50+00:00",
        "lat": 31.513690000000000424051904701627790927886962890625,
        "lon": 32.4089699999999965029928716830909252166748046875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 04:02 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 5h 12m
  • Data Points: 22 AIS positions
  • Period: 2026-09-09T04:02:30+00:00 to 2026-09-09T09:14:50+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 312.30000000000001136868377216160297393798828125,
    "points_in_zone": 22,
    "first_point": {
        "ts": "2026-09-09T04:02:30+00:00",
        "lat": 31.519400000000000972022462519817054271697998046875,
        "lon": 32.3234767000000005054971552453935146331787109375
    },
    "last_point": {
        "ts": "2026-09-09T09:14:50+00:00",
        "lat": 31.513690000000000424051904701627790927886962890625,
        "lon": 32.4089699999999965029928716830909252166748046875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 9, 2026 03:04 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 10m
  • Data Points: 23 AIS positions
  • Period: 2026-09-09T03:04:29+00:00 to 2026-09-09T09:14:50+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 370.3999999999999772626324556767940521240234375,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-09-09T03:04:29+00:00",
        "lat": 31.51944999999999907913661445491015911102294921875,
        "lon": 32.323606699999999136707629077136516571044921875
    },
    "last_point": {
        "ts": "2026-09-09T09:14:50+00:00",
        "lat": 31.513690000000000424051904701627790927886962890625,
        "lon": 32.4089699999999965029928716830909252166748046875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 8, 2026 23:47 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 5h 35m
  • Data Points: 5 AIS positions
  • Period: 2026-09-08T23:47:30+00:00 to 2026-09-09T05:22:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 335,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-09-08T23:47:30+00:00",
        "lat": 31.5194350000000014233592082746326923370361328125,
        "lon": 32.3235150000000004411049303598701953887939453125
    },
    "last_point": {
        "ts": "2026-09-09T05:22:28+00:00",
        "lat": 31.56260830000000083828126662410795688629150390625,
        "lon": 32.35146999999999906094672041945159435272216796875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 8, 2026 22:00 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 1m
  • Data Points: 4 AIS positions
  • Period: 2026-09-08T22:00:39+00:00 to 2026-09-09T04:02:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 361.8999999999999772626324556767940521240234375,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-09-08T22:00:39+00:00",
        "lat": 31.519256699999999682404450140893459320068359375,
        "lon": 32.32265170000000154004737851209938526153564453125
    },
    "last_point": {
        "ts": "2026-09-09T04:02:30+00:00",
        "lat": 31.519400000000000972022462519817054271697998046875,
        "lon": 32.3234767000000005054971552453935146331787109375
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 8, 2026 20:29 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 22m
  • Data Points: 4 AIS positions
  • Period: 2026-09-08T20:41:48+00:00 to 2026-09-09T03:04:29+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 382.69999999999998863131622783839702606201171875,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-09-08T20:41:48+00:00",
        "lat": 31.51920499999999947249307297170162200927734375,
        "lon": 32.32242000000000103909769677557051181793212890625
    },
    "last_point": {
        "ts": "2026-09-09T03:04:29+00:00",
        "lat": 31.51944999999999907913661445491015911102294921875,
        "lon": 32.323606699999999136707629077136516571044921875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 8, 2026 16:39 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 5h 20m
  • Data Points: 4 AIS positions
  • Period: 2026-09-08T16:39:50+00:00 to 2026-09-08T22:00:39+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 320.80000000000001136868377216160297393798828125,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-09-08T16:39:50+00:00",
        "lat": 31.51914500000000174395609064958989620208740234375,
        "lon": 32.323008299999997916529537178575992584228515625
    },
    "last_point": {
        "ts": "2026-09-08T22:00:39+00:00",
        "lat": 31.519256699999999682404450140893459320068359375,
        "lon": 32.32265170000000154004737851209938526153564453125
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 8, 2026 12:44 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 3h 55m
  • Data Points: 2 AIS positions
  • Period: 2026-09-08T12:44:21+00:00 to 2026-09-08T16:39:50+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 235.5,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-09-08T12:44:21+00:00",
        "lat": 31.519693300000000135696609504520893096923828125,
        "lon": 32.324191700000000082582118920981884002685546875
    },
    "last_point": {
        "ts": "2026-09-08T16:39:50+00:00",
        "lat": 31.51914500000000174395609064958989620208740234375,
        "lon": 32.323008299999997916529537178575992584228515625
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 7, 2026 18:04 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 1h 20m
  • Data Points: 2 AIS positions
  • Period: 2026-09-07T18:04:14+00:00 to 2026-09-07T19:24:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 80,
    "points_in_zone": 2,
    "first_point": {
        "ts": "2026-09-07T18:04:14+00:00",
        "lat": 31.5194316999999983863745001144707202911376953125,
        "lon": 32.3239099999999979218046064488589763641357421875
    },
    "last_point": {
        "ts": "2026-09-07T19:24:11+00:00",
        "lat": 31.519536699999999740384737378917634487152099609375,
        "lon": 32.32404170000000220852598431520164012908935546875
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 7, 2026 16:02 UTC 75.0%
  • Duration: 3h 21m
  • Radius: 31 meters
  • Data Points: 11 AIS positions
  • Centroid: 31.5196, 32.3240
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 31.199999999999999289457264239899814128875732421875,
    "duration_minutes": 201.900000000000005684341886080801486968994140625,
    "points": 11,
    "centroid": {
        "lat": 31.519561218181816997230271226726472377777099609375,
        "lon": 32.32396016363636448431861936114728450775146484375
    },
    "bbox": {
        "min_lat": 31.5194316999999983863745001144707202911376953125,
        "min_lon": 32.323696699999999282226781360805034637451171875,
        "max_lat": 31.519729999999999137116901692934334278106689453125,
        "max_lon": 32.32413170000000235404513659887015819549560546875
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 7, 2026 16:02 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 3h 21m
  • Data Points: 11 AIS positions
  • Period: 2026-09-07T16:02:14+00:00 to 2026-09-07T19:24:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 201.900000000000005684341886080801486968994140625,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-09-07T16:02:14+00:00",
        "lat": 31.519729999999999137116901692934334278106689453125,
        "lon": 32.323696699999999282226781360805034637451171875
    },
    "last_point": {
        "ts": "2026-09-07T19:24:11+00:00",
        "lat": 31.519536699999999740384737378917634487152099609375,
        "lon": 32.32404170000000220852598431520164012908935546875
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 7, 2026 15:02 UTC 75.0%
  • Duration: 4h 22m
  • Radius: 31 meters
  • Data Points: 17 AIS positions
  • Centroid: 31.5196, 32.3240
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 30.5,
    "duration_minutes": 262.1000000000000227373675443232059478759765625,
    "points": 17,
    "centroid": {
        "lat": 31.519561570588233934131494606845080852508544921875,
        "lon": 32.32395118823529145402062567882239818572998046875
    },
    "bbox": {
        "min_lat": 31.5194316999999983863745001144707202911376953125,
        "min_lon": 32.323696699999999282226781360805034637451171875,
        "max_lat": 31.519729999999999137116901692934334278106689453125,
        "max_lon": 32.324219999999996844053384847939014434814453125
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 7, 2026 15:02 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 4h 22m
  • Data Points: 17 AIS positions
  • Period: 2026-09-07T15:02:06+00:00 to 2026-09-07T19:24:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 262.1000000000000227373675443232059478759765625,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-09-07T15:02:06+00:00",
        "lat": 31.51959169999999943456714390777051448822021484375,
        "lon": 32.324219999999996844053384847939014434814453125
    },
    "last_point": {
        "ts": "2026-09-07T19:24:11+00:00",
        "lat": 31.519536699999999740384737378917634487152099609375,
        "lon": 32.32404170000000220852598431520164012908935546875
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 7, 2026 14:05 UTC 75.0%
  • Duration: 5h 19m
  • Radius: 80 meters
  • Data Points: 20 AIS positions
  • Centroid: 31.5196, 32.3240
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 79.7000000000000028421709430404007434844970703125,
    "duration_minutes": 319.19999999999998863131622783839702606201171875,
    "points": 20,
    "centroid": {
        "lat": 31.519580000000001263060767087154090404510498046875,
        "lon": 32.32399259499999999434294295497238636016845703125
    },
    "bbox": {
        "min_lat": 31.5194316999999983863745001144707202911376953125,
        "min_lon": 32.323696699999999282226781360805034637451171875,
        "max_lat": 31.519825000000000869704308570362627506256103515625,
        "max_lon": 32.3247817000000026155248633585870265960693359375
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 7, 2026 14:05 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 5h 19m
  • Data Points: 20 AIS positions
  • Period: 2026-09-07T14:05:00+00:00 to 2026-09-07T19:24:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 319.19999999999998863131622783839702606201171875,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-09-07T14:05:00+00:00",
        "lat": 31.51968000000000103000274975784122943878173828125,
        "lon": 32.32375669999999701076376368291676044464111328125
    },
    "last_point": {
        "ts": "2026-09-07T19:24:11+00:00",
        "lat": 31.519536699999999740384737378917634487152099609375,
        "lon": 32.32404170000000220852598431520164012908935546875
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 7, 2026 13:36 UTC 75.0%
  • Duration: 5h 48m
  • Radius: 74 meters
  • Data Points: 25 AIS positions
  • Centroid: 31.5196, 32.3240
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 73.7000000000000028421709430404007434844970703125,
    "duration_minutes": 348.19999999999998863131622783839702606201171875,
    "points": 25,
    "centroid": {
        "lat": 31.519606864000007107051715138368308544158935546875,
        "lon": 32.324048675999989654883393086493015289306640625
    },
    "bbox": {
        "min_lat": 31.5194316999999983863745001144707202911376953125,
        "min_lon": 32.323696699999999282226781360805034637451171875,
        "max_lat": 31.519825000000000869704308570362627506256103515625,
        "max_lon": 32.3247817000000026155248633585870265960693359375
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 7, 2026 13:36 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 5h 48m
  • Data Points: 25 AIS positions
  • Period: 2026-09-07T13:36:01+00:00 to 2026-09-07T19:24:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 348.19999999999998863131622783839702606201171875,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-09-07T13:36:01+00:00",
        "lat": 31.519690000000000651425580144859850406646728515625,
        "lon": 32.32434669999999954370650812052190303802490234375
    },
    "last_point": {
        "ts": "2026-09-07T19:24:11+00:00",
        "lat": 31.519536699999999740384737378917634487152099609375,
        "lon": 32.32404170000000220852598431520164012908935546875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 18:09 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 4h 12m
  • Data Points: 6 AIS positions
  • Period: 2026-09-06T18:09:37+00:00 to 2026-09-06T22:22:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 252.900000000000005684341886080801486968994140625,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-09-06T18:09:37+00:00",
        "lat": 31.519760000000001554099071654491126537322998046875,
        "lon": 32.32434500000000099362296168692409992218017578125
    },
    "last_point": {
        "ts": "2026-09-06T22:22:30+00:00",
        "lat": 31.519380000000001729176801745779812335968017578125,
        "lon": 32.3254816999999974314050632528960704803466796875
    }
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 17:36 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 4h 46m
  • Data Points: 9 AIS positions
  • Period: 2026-09-06T17:36:32+00:00 to 2026-09-06T22:22:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 286,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-09-06T17:36:32+00:00",
        "lat": 31.5197466999999988956915331073105335235595703125,
        "lon": 32.32439500000000265345079242251813411712646484375
    },
    "last_point": {
        "ts": "2026-09-06T22:22:30+00:00",
        "lat": 31.519380000000001729176801745779812335968017578125,
        "lon": 32.3254816999999974314050632528960704803466796875
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 16:15 UTC 75.0%
  • Duration: 6h 7m
  • Radius: 110 meters
  • Data Points: 13 AIS positions
  • Centroid: 31.5197, 32.3244
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 109.900000000000005684341886080801486968994140625,
    "duration_minutes": 367.1000000000000227373675443232059478759765625,
    "points": 13,
    "centroid": {
        "lat": 31.519694246153843408819739124737679958343505859375,
        "lon": 32.324384100000003172681317664682865142822265625
    },
    "bbox": {
        "min_lat": 31.519380000000001729176801745779812335968017578125,
        "min_lon": 32.32394000000000033878677641041576862335205078125,
        "max_lat": 31.519766700000001691250872681848704814910888671875,
        "max_lon": 32.3254816999999974314050632528960704803466796875
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 16:15 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 7m
  • Data Points: 13 AIS positions
  • Period: 2026-09-06T16:15:27+00:00 to 2026-09-06T22:22:30+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 367.1000000000000227373675443232059478759765625,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-09-06T16:15:27+00:00",
        "lat": 31.51972500000000110276232589967548847198486328125,
        "lon": 32.32422170000000249956428888253867626190185546875
    },
    "last_point": {
        "ts": "2026-09-06T22:22:30+00:00",
        "lat": 31.519380000000001729176801745779812335968017578125,
        "lon": 32.3254816999999974314050632528960704803466796875
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 15:03 UTC 75.0%
  • Duration: 6h 26m
  • Radius: 32 meters
  • Data Points: 14 AIS positions
  • Centroid: 31.5198, 32.3243
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 32.2999999999999971578290569595992565155029296875,
    "duration_minutes": 386.1000000000000227373675443232059478759765625,
    "points": 14,
    "centroid": {
        "lat": 31.519751442857142365028266794979572296142578125,
        "lon": 32.32426427857142670063694822601974010467529296875
    },
    "bbox": {
        "min_lat": 31.519619999999999748752088635228574275970458984375,
        "min_lon": 32.32394000000000033878677641041576862335205078125,
        "max_lat": 31.51995670000000160371200763620436191558837890625,
        "max_lon": 32.32455499999999659621607861481606960296630859375
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 15:03 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 26m
  • Data Points: 14 AIS positions
  • Period: 2026-09-06T15:45:20+00:00 to 2026-09-06T22:11:28+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 386.1000000000000227373675443232059478759765625,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-09-06T15:45:20+00:00",
        "lat": 31.51995670000000160371200763620436191558837890625,
        "lon": 32.32407330000000200698195840232074260711669921875
    },
    "last_point": {
        "ts": "2026-09-06T22:11:28+00:00",
        "lat": 31.519721700000001618491296540014445781707763671875,
        "lon": 32.32405330000000276413629762828350067138671875
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 14:15 UTC 75.0%
  • Duration: 4h 30m
  • Radius: 33 meters
  • Data Points: 23 AIS positions
  • Centroid: 31.5198, 32.3243
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 32.89999999999999857891452847979962825775146484375,
    "duration_minutes": 270.19999999999998863131622783839702606201171875,
    "points": 23,
    "centroid": {
        "lat": 31.519796165217396577418185188435018062591552734375,
        "lon": 32.32432608260869955074667814187705516815185546875
    },
    "bbox": {
        "min_lat": 31.519619999999999748752088635228574275970458984375,
        "min_lon": 32.32398830000000344853106071241199970245361328125,
        "max_lat": 31.51995670000000160371200763620436191558837890625,
        "max_lon": 32.32459329999999653182385372929275035858154296875
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 14:15 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 4h 30m
  • Data Points: 23 AIS positions
  • Period: 2026-09-06T14:15:22+00:00 to 2026-09-06T18:45:36+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 270.19999999999998863131622783839702606201171875,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-09-06T14:15:22+00:00",
        "lat": 31.519761700000000104182618088088929653167724609375,
        "lon": 32.32432000000000016370904631912708282470703125
    },
    "last_point": {
        "ts": "2026-09-06T18:45:36+00:00",
        "lat": 31.519751700000000482759787701070308685302734375,
        "lon": 32.32455499999999659621607861481606960296630859375
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 13:15 UTC 75.0%
  • Duration: 5h 30m
  • Radius: 37 meters
  • Data Points: 28 AIS positions
  • Centroid: 31.5198, 32.3244
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 37.2000000000000028421709430404007434844970703125,
    "duration_minutes": 330.19999999999998863131622783839702606201171875,
    "points": 28,
    "centroid": {
        "lat": 31.519808992857154095190708176232874393463134765625,
        "lon": 32.32437523571428528157412074506282806396484375
    },
    "bbox": {
        "min_lat": 31.519619999999999748752088635228574275970458984375,
        "min_lon": 32.32398830000000344853106071241199970245361328125,
        "max_lat": 31.519981699999998880912244203500449657440185546875,
        "max_lon": 32.3246816999999992958692018873989582061767578125
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 13:15 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 5h 30m
  • Data Points: 28 AIS positions
  • Period: 2026-09-06T13:15:25+00:00 to 2026-09-06T18:45:36+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 330.19999999999998863131622783839702606201171875,
    "points_in_zone": 28,
    "first_point": {
        "ts": "2026-09-06T13:15:25+00:00",
        "lat": 31.519873300000000426734914071857929229736328125,
        "lon": 32.3246400000000022600943339057266712188720703125
    },
    "last_point": {
        "ts": "2026-09-06T18:45:36+00:00",
        "lat": 31.519751700000000482759787701070308685302734375,
        "lon": 32.32455499999999659621607861481606960296630859375
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 12:39 UTC 75.0%
  • Duration: 6h 6m
  • Radius: 38 meters
  • Data Points: 29 AIS positions
  • Centroid: 31.5198, 32.3244
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 38.10000000000000142108547152020037174224853515625,
    "duration_minutes": 366.19999999999998863131622783839702606201171875,
    "points": 29,
    "centroid": {
        "lat": 31.51981512068966395645475131459534168243408203125,
        "lon": 32.3243856310344739313222817145287990570068359375
    },
    "bbox": {
        "min_lat": 31.519619999999999748752088635228574275970458984375,
        "min_lon": 32.32398830000000344853106071241199970245361328125,
        "max_lat": 31.519986700000000467980498797260224819183349609375,
        "max_lon": 32.3246816999999992958692018873989582061767578125
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 12:39 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 6m
  • Data Points: 29 AIS positions
  • Period: 2026-09-06T12:39:25+00:00 to 2026-09-06T18:45:36+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 366.19999999999998863131622783839702606201171875,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-09-06T12:39:25+00:00",
        "lat": 31.519986700000000467980498797260224819183349609375,
        "lon": 32.32467669999999770880094729363918304443359375
    },
    "last_point": {
        "ts": "2026-09-06T18:45:36+00:00",
        "lat": 31.519751700000000482759787701070308685302734375,
        "lon": 32.32455499999999659621607861481606960296630859375
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 10:01 UTC 75.0%
  • Duration: 6h 38m
  • Radius: 74 meters
  • Data Points: 25 AIS positions
  • Centroid: 31.5199, 32.3244
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 73.599999999999994315658113919198513031005859375,
    "duration_minutes": 398,
    "points": 25,
    "centroid": {
        "lat": 31.519877935999996765303876600228250026702880859375,
        "lon": 32.3244255999999978712367010302841663360595703125
    },
    "bbox": {
        "min_lat": 31.519619999999999748752088635228574275970458984375,
        "min_lon": 32.32398830000000344853106071241199970245361328125,
        "max_lat": 31.520366700000000292902768705971539020538330078125,
        "max_lon": 32.32495000000000118234311230480670928955078125
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 10:01 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 38m
  • Data Points: 25 AIS positions
  • Period: 2026-09-06T10:01:26+00:00 to 2026-09-06T16:39:27+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 398,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-09-06T10:01:26+00:00",
        "lat": 31.520366700000000292902768705971539020538330078125,
        "lon": 32.32495000000000118234311230480670928955078125
    },
    "last_point": {
        "ts": "2026-09-06T16:39:27+00:00",
        "lat": 31.519619999999999748752088635228574275970458984375,
        "lon": 32.32419329999999746405592304654419422149658203125
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 08:16 UTC 75.0%
  • Duration: 6h 28m
  • Radius: 83 meters
  • Data Points: 12 AIS positions
  • Centroid: 31.5200, 32.3246
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 83.2000000000000028421709430404007434844970703125,
    "duration_minutes": 388.8999999999999772626324556767940521240234375,
    "points": 12,
    "centroid": {
        "lat": 31.520014033333335845554756815545260906219482421875,
        "lon": 32.3246352916666666033052024431526660919189453125
    },
    "bbox": {
        "min_lat": 31.519761700000000104182618088088929653167724609375,
        "min_lon": 32.32432000000000016370904631912708282470703125,
        "max_lat": 31.52066669999999959372871671803295612335205078125,
        "max_lon": 32.32506670000000070785972638987004756927490234375
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Zone Dwell Eastern Black Sea Surveillance Zone Sep 6, 2026 08:16 UTC 80.0%
  • Zone: Eastern Black Sea Surveillance Zone
  • Duration: 6h 28m
  • Data Points: 12 AIS positions
  • Period: 2026-09-06T08:16:29+00:00 to 2026-09-06T14:45:20+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_167",
    "zone_name": "Eastern Black Sea Surveillance Zone",
    "dwell_minutes": 388.8999999999999772626324556767940521240234375,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-09-06T08:16:29+00:00",
        "lat": 31.52066669999999959372871671803295612335205078125,
        "lon": 32.32506670000000070785972638987004756927490234375
    },
    "last_point": {
        "ts": "2026-09-06T14:45:20+00:00",
        "lat": 31.519858299999999218243829091079533100128173828125,
        "lon": 32.32439670000000120353433885611593723297119140625
    }
}

Methodology: 2026.01.18

Loiter Eastern Black Sea Surveillance Zone Sep 6, 2026 07:43 UTC 75.0%
  • Duration: 6h 31m
  • Radius: 72 meters
  • Data Points: 11 AIS positions
  • Centroid: 31.5201, 32.3247
  • Zone: Eastern Black Sea Surveillance Zone
Show Raw Evidence JSON
{
    "radius_m": 71.599999999999994315658113919198513031005859375,
    "duration_minutes": 391.8999999999999772626324556767940521240234375,
    "points": 11,
    "centroid": {
        "lat": 31.52010349090909357983036898076534271240234375,
        "lon": 32.32471698181817743034116574563086032867431640625
    },
    "bbox": {
        "min_lat": 31.519761700000000104182618088088929653167724609375,
        "min_lon": 32.32432000000000016370904631912708282470703125,
        "max_lat": 31.520683300000001736407284624874591827392578125,
        "max_lon": 32.32506670000000070785972638987004756927490234375
    },
    "zone_id": "discovered_167"
}

Methodology: 2026.01.18

Source snapshot

SanctionerAs ofEntity ID
🇬🇧 UK2025-09-299419137
🇺🇸 US2025-09-299419137

We mirror official lists; always verify at the source.

Sanctioned on the same day