CHEM RANGER

IMO 9490296

Vessel information

Vessel Name CHEM RANGER
IMO Number 9490296
MMSI 538004628
Vessel Type Tanker
Flag 🇲🇭 MARSHALL ISLANDS
Call Sign V7YC8
Length 159 m
Beam 27 m

Detected Events (36)

Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 14:10 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 5h 43m
  • Data Points: 47 AIS positions
  • Period: 2026-06-05T14:10:11+00:00 to 2026-06-05T19:54:04+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 343.8999999999999772626324556767940521240234375,
    "points_in_zone": 47,
    "first_point": {
        "ts": "2026-06-05T14:10:11+00:00",
        "lat": 31.644600000000000505906427861191332340240478515625,
        "lon": 31.7546999999999997044142219237983226776123046875
    },
    "last_point": {
        "ts": "2026-06-05T19:54:04+00:00",
        "lat": 31.6459167000000007874405127950012683868408203125,
        "lon": 31.753499999999998948396751075051724910736083984375
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 14:10 UTC 75.0% ▼
  • Duration: 5h 43m
  • Radius: 283 meters
  • Data Points: 47 AIS positions
  • Centroid: 31.6451, 31.7540
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 283.3999999999999772626324556767940521240234375,
    "duration_minutes": 343.8999999999999772626324556767940521240234375,
    "points": 47,
    "centroid": {
        "lat": 31.645092580851059693713978049345314502716064453125,
        "lon": 31.753957944680852421015515574254095554351806640625
    },
    "bbox": {
        "min_lat": 31.64444999999999907913661445491015911102294921875,
        "min_lon": 31.752083299999998899920683470554649829864501953125,
        "max_lat": 31.64708329999999847359504201449453830718994140625,
        "max_lon": 31.7546999999999997044142219237983226776123046875
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 13:02 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 22m
  • Data Points: 53 AIS positions
  • Period: 2026-06-05T13:31:13+00:00 to 2026-06-05T19:54:04+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 382.8999999999999772626324556767940521240234375,
    "points_in_zone": 53,
    "first_point": {
        "ts": "2026-06-05T13:31:13+00:00",
        "lat": 31.64458330000000074733179644681513309478759765625,
        "lon": 31.754850000000001131184035330079495906829833984375
    },
    "last_point": {
        "ts": "2026-06-05T19:54:04+00:00",
        "lat": 31.6459167000000007874405127950012683868408203125,
        "lon": 31.753499999999998948396751075051724910736083984375
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 13:02 UTC 75.0% ▼
  • Duration: 6h 22m
  • Radius: 295 meters
  • Data Points: 53 AIS positions
  • Centroid: 31.6450, 31.7541
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 294.5,
    "duration_minutes": 382.8999999999999772626324556767940521240234375,
    "points": 53,
    "centroid": {
        "lat": 31.645035556603776427664342918433248996734619140625,
        "lon": 31.754060190566036681047989986836910247802734375
    },
    "bbox": {
        "min_lat": 31.64444999999999907913661445491015911102294921875,
        "min_lon": 31.752083299999998899920683470554649829864501953125,
        "max_lat": 31.64708329999999847359504201449453830718994140625,
        "max_lon": 31.754883299999999479723555850796401500701904296875
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 12:50 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 30m
  • Data Points: 54 AIS positions
  • Period: 2026-06-05T12:50:31+00:00 to 2026-06-05T19:21:07+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 390.6000000000000227373675443232059478759765625,
    "points_in_zone": 54,
    "first_point": {
        "ts": "2026-06-05T12:50:31+00:00",
        "lat": 31.644616700000000264481059275567531585693359375,
        "lon": 31.755083299999999013607521192170679569244384765625
    },
    "last_point": {
        "ts": "2026-06-05T19:21:07+00:00",
        "lat": 31.6456333000000000765794538892805576324462890625,
        "lon": 31.75356670000000036679921322502195835113525390625
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 12:50 UTC 75.0% ▼
  • Duration: 6h 30m
  • Radius: 314 meters
  • Data Points: 54 AIS positions
  • Centroid: 31.6449, 31.7542
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 314.3999999999999772626324556767940521240234375,
    "duration_minutes": 390.6000000000000227373675443232059478759765625,
    "points": 54,
    "centroid": {
        "lat": 31.644912985185186471426277421414852142333984375,
        "lon": 31.754216266666663415207949583418667316436767578125
    },
    "bbox": {
        "min_lat": 31.64444999999999907913661445491015911102294921875,
        "min_lon": 31.752083299999998899920683470554649829864501953125,
        "max_lat": 31.64708329999999847359504201449453830718994140625,
        "max_lon": 31.755083299999999013607521192170679569244384765625
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 11:04 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 36m
  • Data Points: 50 AIS positions
  • Period: 2026-06-05T11:50:31+00:00 to 2026-06-05T18:27:04+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 396.6000000000000227373675443232059478759765625,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-06-05T11:50:31+00:00",
        "lat": 31.64489999999999980673237587325274944305419921875,
        "lon": 31.754433299999998752127794432453811168670654296875
    },
    "last_point": {
        "ts": "2026-06-05T18:27:04+00:00",
        "lat": 31.645333300000000775753505877219140529632568359375,
        "lon": 31.753616699999998473913365160115063190460205078125
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 11:04 UTC 75.0% ▼
  • Duration: 6h 36m
  • Radius: 326 meters
  • Data Points: 50 AIS positions
  • Centroid: 31.6448, 31.7543
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 325.5,
    "duration_minutes": 396.6000000000000227373675443232059478759765625,
    "points": 50,
    "centroid": {
        "lat": 31.644842024000002567163392086513340473175048828125,
        "lon": 31.754300234000002234324711025692522525787353515625
    },
    "bbox": {
        "min_lat": 31.64444999999999907913661445491015911102294921875,
        "min_lon": 31.752083299999998899920683470554649829864501953125,
        "max_lat": 31.64708329999999847359504201449453830718994140625,
        "max_lon": 31.755083299999999013607521192170679569244384765625
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 10:08 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 34m
  • Data Points: 48 AIS positions
  • Period: 2026-06-05T10:50:05+00:00 to 2026-06-05T17:24:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 394,
    "points_in_zone": 48,
    "first_point": {
        "ts": "2026-06-05T10:50:05+00:00",
        "lat": 31.64498329999999981509972712956368923187255859375,
        "lon": 31.754266699999998735393091919831931591033935546875
    },
    "last_point": {
        "ts": "2026-06-05T17:24:05+00:00",
        "lat": 31.645233300000001008811523206532001495361328125,
        "lon": 31.75373330000000038353391573764383792877197265625
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 10:08 UTC 75.0% ▼
  • Duration: 6h 34m
  • Radius: 333 meters
  • Data Points: 48 AIS positions
  • Centroid: 31.6448, 31.7544
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 333,
    "duration_minutes": 394,
    "points": 48,
    "centroid": {
        "lat": 31.644798639583331834046475705690681934356689453125,
        "lon": 31.754361356249997783152139163576066493988037109375
    },
    "bbox": {
        "min_lat": 31.64444999999999907913661445491015911102294921875,
        "min_lon": 31.752083299999998899920683470554649829864501953125,
        "max_lat": 31.64708329999999847359504201449453830718994140625,
        "max_lon": 31.755083299999999013607521192170679569244384765625
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 09:02 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 15m
  • Data Points: 50 AIS positions
  • Period: 2026-06-05T09:59:07+00:00 to 2026-06-05T16:14:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 375,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-06-05T09:59:07+00:00",
        "lat": 31.644916699999999565307007287628948688507080078125,
        "lon": 31.75441670000000016216290532611310482025146484375
    },
    "last_point": {
        "ts": "2026-06-05T16:14:06+00:00",
        "lat": 31.644916699999999565307007287628948688507080078125,
        "lon": 31.75396669999999943456714390777051448822021484375
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 09:02 UTC 75.0% ▼
  • Duration: 6h 15m
  • Radius: 335 meters
  • Data Points: 50 AIS positions
  • Centroid: 31.6448, 31.7544
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 334.5,
    "duration_minutes": 375,
    "points": 50,
    "centroid": {
        "lat": 31.64479836000000290141542791388928890228271484375,
        "lon": 31.75438623599999488078537979163229465484619140625
    },
    "bbox": {
        "min_lat": 31.64444999999999907913661445491015911102294921875,
        "min_lon": 31.752083299999998899920683470554649829864501953125,
        "max_lat": 31.64708329999999847359504201449453830718994140625,
        "max_lon": 31.755083299999999013607521192170679569244384765625
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 08:05 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 38m
  • Data Points: 36 AIS positions
  • Period: 2026-06-05T08:11:07+00:00 to 2026-06-05T14:49:37+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 398.5,
    "points_in_zone": 36,
    "first_point": {
        "ts": "2026-06-05T08:11:07+00:00",
        "lat": 31.647149999999999891997504164464771747589111328125,
        "lon": 31.75489999999999923829818726517260074615478515625
    },
    "last_point": {
        "ts": "2026-06-05T14:49:37+00:00",
        "lat": 31.644616700000000264481059275567531585693359375,
        "lon": 31.754466699999998269277057261206209659576416015625
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 08:05 UTC 75.0% ▼
  • Duration: 6h 38m
  • Radius: 237 meters
  • Data Points: 36 AIS positions
  • Centroid: 31.6450, 31.7545
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 237.400000000000005684341886080801486968994140625,
    "duration_minutes": 398.5,
    "points": 36,
    "centroid": {
        "lat": 31.64503471666666456485472735948860645294189453125,
        "lon": 31.7545103249999982608642312698066234588623046875
    },
    "bbox": {
        "min_lat": 31.644549999999998846078597125597298145294189453125,
        "min_lon": 31.7534500000000008412825991399586200714111328125,
        "max_lat": 31.647149999999999891997504164464771747589111328125,
        "max_lon": 31.755083299999999013607521192170679569244384765625
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 5, 2026 07:38 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 38m
  • Data Points: 36 AIS positions
  • Period: 2026-06-05T07:50:08+00:00 to 2026-06-05T14:28:11+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 398.1000000000000227373675443232059478759765625,
    "points_in_zone": 36,
    "first_point": {
        "ts": "2026-06-05T07:50:08+00:00",
        "lat": 31.647300000000001318767317570745944976806640625,
        "lon": 31.754933300000001139551386586390435695648193359375
    },
    "last_point": {
        "ts": "2026-06-05T14:28:11+00:00",
        "lat": 31.644683300000000514273779117502272129058837890625,
        "lon": 31.754483300000000411955625168047845363616943359375
    }
}
Methodology: 2026.01.18
Loiter Eastern Mediterranean Monitoring Zone
Jun 5, 2026 07:38 UTC 75.0% ▼
  • Duration: 6h 38m
  • Radius: 230 meters
  • Data Points: 36 AIS positions
  • Centroid: 31.6453, 31.7545
  • Zone: Eastern Mediterranean Monitoring Zone
Show Raw Evidence JSON
{
    "radius_m": 230.19999999999998863131622783839702606201171875,
    "duration_minutes": 398.1000000000000227373675443232059478759765625,
    "points": 36,
    "centroid": {
        "lat": 31.645250458333332943539062398485839366912841796875,
        "lon": 31.75454828611110968950015376321971416473388671875
    },
    "bbox": {
        "min_lat": 31.644549999999998846078597125597298145294189453125,
        "min_lon": 31.7534500000000008412825991399586200714111328125,
        "max_lat": 31.647300000000001318767317570745944976806640625,
        "max_lon": 31.755083299999999013607521192170679569244384765625
    },
    "zone_id": "discovered_020"
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 4, 2026 21:13 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 2h 38m
  • Data Points: 6 AIS positions
  • Period: 2026-06-04T21:13:07+00:00 to 2026-06-04T23:51:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 158,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-06-04T21:13:07+00:00",
        "lat": 31.6460833000000008041752153076231479644775390625,
        "lon": 31.753499999999998948396751075051724910736083984375
    },
    "last_point": {
        "ts": "2026-06-04T23:51:08+00:00",
        "lat": 31.646833300000000832596924738027155399322509765625,
        "lon": 31.753949999999999675992512493394315242767333984375
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 4, 2026 20:51 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 2h 59m
  • Data Points: 7 AIS positions
  • Period: 2026-06-04T20:51:25+00:00 to 2026-06-04T23:51:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 179.69999999999998863131622783839702606201171875,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-06-04T20:51:25+00:00",
        "lat": 31.64603329999999914434738457202911376953125,
        "lon": 31.753466700000000599857230554334819316864013671875
    },
    "last_point": {
        "ts": "2026-06-04T23:51:08+00:00",
        "lat": 31.646833300000000832596924738027155399322509765625,
        "lon": 31.753949999999999675992512493394315242767333984375
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Eastern Mediterranean Surveillance Zone
Jun 4, 2026 20:09 UTC 65/100 ▼
Vessel A: Georgy Maslov (GEORGY MASLOV) RUSSIA
Vessel B: IMO 9490296 (CHEM RANGER) MARSHALL ISLANDS
  • Minimum Distance: 47 meters
  • Average Distance: 139 meters
  • Duration: 31 minutes
  • Period: 2026-06-04T20:09:43+00:00 to 2026-06-04T20:40:59+00:00
  • Vessel A Avg Speed: 0.2 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 65/100

Moderate-confidence STS candidate. Two tankers (GEORGY MASLOV and CHEM RANGER) maintained close proximity (min 47m, avg 139m) for 31 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 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 47m, avg 139m
Duration5/25Duration 31 minutes
Speed Stability17/20both nearly stationary; stable speeds
Distance Consistency8/15Distance variance ±72m
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: 2026-06-05T02:30:04.346121+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273259730,
        "imo": 9610793,
        "name": "GEORGY MASLOV",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 538004628,
        "imo": 9490296,
        "name": "CHEM RANGER",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 46.89999999999999857891452847979962825775146484375,
    "avg_distance_m": 139.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 72.099999999999994315658113919198513031005859375,
    "duration_minutes": 31.300000000000000710542735760100185871124267578125,
    "overlap_duration_s": 1876,
    "speed_a_avg": 0.1499999999999999944488848768742172978818416595458984375,
    "speed_a_std": 0.36999999999999999555910790149937383830547332763671875,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.1499999999999999944488848768742172978818416595458984375,
            "max_sog": 0.90000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:09:43+00:00",
        "end": "2026-06-04T20:40:59+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 47m, avg 139m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 31 minutes"
            },
            "speed_stability": {
                "score": 17,
                "max": 20,
                "detail": "both nearly stationary; stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b172m"
            },
            "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 (GEORGY MASLOV and CHEM RANGER) maintained close proximity (min 47m, avg 139m) for 31 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 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": 31.716600400000000803402144811116158962249755859375,
            "lon": 35.99897320000000178197296918369829654693603515625
        },
        "time_window": {
            "start_ts": "2026-06-04T20:09:43+00:00",
            "end_ts": "2026-06-04T20:40:59+00:00"
        },
        "searched_at": "2026-06-05T02:30:04.346121+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Eastern Mediterranean Surveillance Zone
Jun 4, 2026 20:09 UTC 68/100 ▼
Vessel A: OPAL (OPAL) CAMEROON
Vessel B: IMO 9490296 (CHEM RANGER) MARSHALL ISLANDS
  • Minimum Distance: 46 meters
  • Average Distance: 137 meters
  • Duration: 32 minutes
  • Period: 2026-06-04T20:09:12+00:00 to 2026-06-04T20:41:45+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 68/100

Moderate-confidence STS candidate. Two tankers (OPAL and CHEM RANGER) maintained close proximity (min 46m, avg 137m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 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 46m, avg 137m
Duration5/25Duration 32 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±69m
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: 2026-06-05T02:30:07.181544+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 613407500,
        "imo": 9286023,
        "name": "OPAL",
        "flag": "CAMEROON"
    },
    "vessel_b": {
        "mmsi": 538004628,
        "imo": 9490296,
        "name": "CHEM RANGER",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 46,
    "avg_distance_m": 137,
    "distance_consistency_m": 68.7999999999999971578290569595992565155029296875,
    "duration_minutes": 32.5,
    "overlap_duration_s": 1953,
    "speed_a_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:09:12+00:00",
        "end": "2026-06-04T20:41:45+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 68,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 46m, avg 137m"
            },
            "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": 8,
                "max": 15,
                "detail": "Distance variance \u00b169m"
            },
            "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 (OPAL and CHEM RANGER) maintained close proximity (min 46m, avg 137m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 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": 31.716612900000001218359102495014667510986328125,
            "lon": 35.9989704999999986512193572707474231719970703125
        },
        "time_window": {
            "start_ts": "2026-06-04T20:09:12+00:00",
            "end_ts": "2026-06-04T20:41:45+00:00"
        },
        "searched_at": "2026-06-05T02:30:07.181544+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Eastern Mediterranean Surveillance Zone
Jun 4, 2026 20:08 UTC 68/100 ▼
Vessel A: DORIN (DORIN) CAMEROON
Vessel B: IMO 9490296 (CHEM RANGER) MARSHALL ISLANDS
  • Minimum Distance: 43 meters
  • Average Distance: 145 meters
  • Duration: 32 minutes
  • Period: 2026-06-04T20:08:51+00:00 to 2026-06-04T20:41:13+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 68/100

Moderate-confidence STS candidate. Two tankers (DORIN and CHEM RANGER) maintained close proximity (min 43m, avg 145m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 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 43m, avg 145m
Duration5/25Duration 32 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±69m
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: 2026-06-04T22:15:11.588889+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 613414203,
        "imo": 9290828,
        "name": "DORIN",
        "flag": "CAMEROON"
    },
    "vessel_b": {
        "mmsi": 538004628,
        "imo": 9490296,
        "name": "CHEM RANGER",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 43,
    "avg_distance_m": 145.19999999999998863131622783839702606201171875,
    "distance_consistency_m": 69.2999999999999971578290569595992565155029296875,
    "duration_minutes": 32.39999999999999857891452847979962825775146484375,
    "overlap_duration_s": 1942,
    "speed_a_avg": 0.13000000000000000444089209850062616169452667236328125,
    "speed_a_std": 0.13000000000000000444089209850062616169452667236328125,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.13000000000000000444089209850062616169452667236328125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:08:51+00:00",
        "end": "2026-06-04T20:41:13+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 68,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 43m, avg 145m"
            },
            "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": 8,
                "max": 15,
                "detail": "Distance variance \u00b169m"
            },
            "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 (DORIN and CHEM RANGER) maintained close proximity (min 43m, avg 145m) for 32 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 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": 31.716569299999999742567524663172662258148193359375,
            "lon": 35.99896129999999772053342894650995731353759765625
        },
        "time_window": {
            "start_ts": "2026-06-04T20:08:51+00:00",
            "end_ts": "2026-06-04T20:41:13+00:00"
        },
        "searched_at": "2026-06-04T22:15:11.588889+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Eastern Mediterranean Surveillance Zone
Jun 4, 2026 20:07 UTC 68/100 ▼
Vessel A: SILVAR (SILVAR) CAMEROON
Vessel B: IMO 9490296 (CHEM RANGER) MARSHALL ISLANDS
  • Minimum Distance: 48 meters
  • Average Distance: 138 meters
  • Duration: 32 minutes
  • Period: 2026-06-04T20:07:57+00:00 to 2026-06-04T20:40:51+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 68/100

Moderate-confidence STS candidate. Two tankers (SILVAR and CHEM RANGER) maintained close proximity (min 48m, avg 138m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 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 48m, avg 138m
Duration5/25Duration 33 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±65m
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: 2026-06-05T00:00:09.079701+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 613414707,
        "imo": 9291262,
        "name": "SILVAR",
        "flag": "CAMEROON"
    },
    "vessel_b": {
        "mmsi": 538004628,
        "imo": 9490296,
        "name": "CHEM RANGER",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 47.5,
    "avg_distance_m": 137.900000000000005684341886080801486968994140625,
    "distance_consistency_m": 64.7000000000000028421709430404007434844970703125,
    "duration_minutes": 32.89999999999999857891452847979962825775146484375,
    "overlap_duration_s": 1974,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:07:57+00:00",
        "end": "2026-06-04T20:40:51+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 68,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 48m, avg 138m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 33 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b165m"
            },
            "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 (SILVAR and CHEM RANGER) maintained close proximity (min 48m, avg 138m) for 33 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 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": 31.716620500000001214857547893188893795013427734375,
            "lon": 35.99895149999999688361640437506139278411865234375
        },
        "time_window": {
            "start_ts": "2026-06-04T20:07:57+00:00",
            "end_ts": "2026-06-04T20:40:51+00:00"
        },
        "searched_at": "2026-06-05T00:00:09.079701+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Eastern Mediterranean Surveillance Zone
Jun 4, 2026 20:07 UTC 68/100 ▼
Vessel A: Kemerovo (KEMEROVO) RUSSIA
Vessel B: IMO 9490296 (CHEM RANGER) MARSHALL ISLANDS
  • Minimum Distance: 45 meters
  • Average Distance: 145 meters
  • Duration: 34 minutes
  • Period: 2026-06-04T20:07:36+00:00 to 2026-06-04T20:42:28+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 68/100

Moderate-confidence STS candidate. Two tankers (KEMEROVO and CHEM RANGER) maintained close proximity (min 45m, avg 144m) for 35 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 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 45m, avg 144m
Duration5/25Duration 35 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±69m
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: 2026-06-04T23:30:06.878422+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 273250830,
        "imo": 9312884,
        "name": "KEMEROVO",
        "flag": "RUSSIA"
    },
    "vessel_b": {
        "mmsi": 538004628,
        "imo": 9490296,
        "name": "CHEM RANGER",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 45.2999999999999971578290569595992565155029296875,
    "avg_distance_m": 144.5,
    "distance_consistency_m": 68.900000000000005684341886080801486968994140625,
    "duration_minutes": 34.89999999999999857891452847979962825775146484375,
    "overlap_duration_s": 2092,
    "speed_a_avg": 0,
    "speed_a_std": 0,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0,
            "max_sog": 0
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:07:36+00:00",
        "end": "2026-06-04T20:42:28+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 68,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 45m, avg 144m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 35 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b169m"
            },
            "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 (KEMEROVO and CHEM RANGER) maintained close proximity (min 45m, avg 144m) for 35 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.1 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": 31.716601600000000615864337305538356304168701171875,
            "lon": 35.9989726000000018757418729364871978759765625
        },
        "time_window": {
            "start_ts": "2026-06-04T20:07:36+00:00",
            "end_ts": "2026-06-04T20:42:28+00:00"
        },
        "searched_at": "2026-06-04T23:30:06.878422+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}
Methodology: 2026.01.18
Sts🛰️✗ Eastern Mediterranean Surveillance Zone
Jun 4, 2026 20:07 UTC 62/100 ▼
Vessel A: JASPER (JASPER) CAMEROON
Vessel B: IMO 9490296 (CHEM RANGER) MARSHALL ISLANDS
  • Minimum Distance: 47 meters
  • Average Distance: 153 meters
  • Duration: 30 minutes
  • Period: 2026-06-04T20:07:28+00:00 to 2026-06-04T20:38:03+00:00
  • Vessel A Avg Speed: 0.2 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Eastern Mediterranean Surveillance Zone

Confidence Analysis

Score: 62/100

Moderate-confidence STS candidate. Two tankers (JASPER and CHEM RANGER) maintained close proximity (min 47m, avg 152m) for 31 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.1 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 47m, avg 152m
Duration5/25Duration 31 minutes
Speed Stability14/20both nearly stationary; somewhat variable 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: 2026-06-04T22:00:14.095658+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 613472020,
        "imo": 9299886,
        "name": "JASPER",
        "flag": "CAMEROON"
    },
    "vessel_b": {
        "mmsi": 538004628,
        "imo": 9490296,
        "name": "CHEM RANGER",
        "flag": "MARSHALL ISLANDS"
    },
    "min_distance_m": 46.7999999999999971578290569595992565155029296875,
    "avg_distance_m": 152.5,
    "distance_consistency_m": 56,
    "duration_minutes": 30.60000000000000142108547152020037174224853515625,
    "overlap_duration_s": 1835,
    "speed_a_avg": 0.179999999999999993338661852249060757458209991455078125,
    "speed_a_std": 0.5300000000000000266453525910037569701671600341796875,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.179999999999999993338661852249060757458209991455078125,
            "max_sog": 1.600000000000000088817841970012523233890533447265625
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-06-04T20:07:28+00:00",
        "end": "2026-06-04T20:38:03+00:00"
    },
    "points_count": {
        "vessel_a": 9,
        "vessel_b": 9
    },
    "zone_id": "discovered_138",
    "zone_name": "Eastern Mediterranean Surveillance Zone",
    "score": {
        "value": 62,
        "components": {
            "distance_tightness": {
                "score": 25,
                "max": 25,
                "detail": "Min distance 47m, avg 152m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 31 minutes"
            },
            "speed_stability": {
                "score": 14,
                "max": 20,
                "detail": "both nearly stationary; somewhat variable 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 (JASPER and CHEM RANGER) maintained close proximity (min 47m, avg 152m) for 31 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.1 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": 31.716579599999999317105903173796832561492919921875,
            "lon": 35.99894040000000217105480260215699672698974609375
        },
        "time_window": {
            "start_ts": "2026-06-04T20:07:28+00:00",
            "end_ts": "2026-06-04T20:38:03+00:00"
        },
        "searched_at": "2026-06-04T22:00:14.095658+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 18:03 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 1h 56m
  • Data Points: 26 AIS positions
  • Period: 2026-06-04T18:03:47+00:00 to 2026-06-04T20:00:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 116.2999999999999971578290569595992565155029296875,
    "points_in_zone": 26,
    "first_point": {
        "ts": "2026-06-04T18:03:47+00:00",
        "lat": 31.697133300000000843965608510188758373260498046875,
        "lon": 31.729716700000000884074324858374893665313720703125
    },
    "last_point": {
        "ts": "2026-06-04T20:00:06+00:00",
        "lat": 31.64574999999999960209606797434389591217041015625,
        "lon": 31.75351669999999870697138248942792415618896484375
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 4, 2026 17:03 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 2h 56m
  • Data Points: 41 AIS positions
  • Period: 2026-06-04T17:03:56+00:00 to 2026-06-04T20:00:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 176.19999999999998863131622783839702606201171875,
    "points_in_zone": 41,
    "first_point": {
        "ts": "2026-06-04T17:03:56+00:00",
        "lat": 31.799433300000000457430360256694257259368896484375,
        "lon": 31.566716700000000628278939984738826751708984375
    },
    "last_point": {
        "ts": "2026-06-04T20:00:06+00:00",
        "lat": 31.64574999999999960209606797434389591217041015625,
        "lon": 31.75351669999999870697138248942792415618896484375
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 4, 2026 16:03 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 3h 56m
  • Data Points: 53 AIS positions
  • Period: 2026-06-04T16:03:17+00:00 to 2026-06-04T20:00:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 236.80000000000001136868377216160297393798828125,
    "points_in_zone": 53,
    "first_point": {
        "ts": "2026-06-04T16:03:17+00:00",
        "lat": 31.866066700000001077341948985122144222259521484375,
        "lon": 31.41590000000000060254023992456495761871337890625
    },
    "last_point": {
        "ts": "2026-06-04T20:00:06+00:00",
        "lat": 31.64574999999999960209606797434389591217041015625,
        "lon": 31.75351669999999870697138248942792415618896484375
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 4, 2026 15:00 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 4h 59m
  • Data Points: 80 AIS positions
  • Period: 2026-06-04T15:00:47+00:00 to 2026-06-04T20:00:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 299.30000000000001136868377216160297393798828125,
    "points_in_zone": 80,
    "first_point": {
        "ts": "2026-06-04T15:00:47+00:00",
        "lat": 31.96093330000000065638232626952230930328369140625,
        "lon": 31.204499999999999459987520822323858737945556640625
    },
    "last_point": {
        "ts": "2026-06-04T20:00:06+00:00",
        "lat": 31.64574999999999960209606797434389591217041015625,
        "lon": 31.75351669999999870697138248942792415618896484375
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 4, 2026 14:19 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 5h 41m
  • Data Points: 100 AIS positions
  • Period: 2026-06-04T14:19:03+00:00 to 2026-06-04T20:00:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 341.1000000000000227373675443232059478759765625,
    "points_in_zone": 100,
    "first_point": {
        "ts": "2026-06-04T14:19:03+00:00",
        "lat": 32.0265500000000002955857780762016773223876953125,
        "lon": 31.0269167000000010148141882382333278656005859375
    },
    "last_point": {
        "ts": "2026-06-04T20:00:06+00:00",
        "lat": 31.64574999999999960209606797434389591217041015625,
        "lon": 31.75351669999999870697138248942792415618896484375
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Mediterranean Monitoring Zone
Jun 4, 2026 13:36 UTC 80.0% ▼
  • Zone: Eastern Mediterranean Monitoring Zone
  • Duration: 6h 24m
  • Data Points: 104 AIS positions
  • Period: 2026-06-04T13:36:04+00:00 to 2026-06-04T20:00:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_020",
    "zone_name": "Eastern Mediterranean Monitoring Zone",
    "dwell_minutes": 384,
    "points_in_zone": 104,
    "first_point": {
        "ts": "2026-06-04T13:36:04+00:00",
        "lat": 32.088466699999997899794834665954113006591796875,
        "lon": 30.836283300000001617036105017177760601043701171875
    },
    "last_point": {
        "ts": "2026-06-04T20:00:06+00:00",
        "lat": 31.64574999999999960209606797434389591217041015625,
        "lon": 31.75351669999999870697138248942792415618896484375
    }
}
Methodology: 2026.01.18
Zone Dwell Brest Approaches Monitoring Zone
Jun 4, 2026 12:27 UTC 80.0% ▼
  • Zone: Brest Approaches Monitoring Zone
  • Duration: 1h 25m
  • Data Points: 24 AIS positions
  • Period: 2026-06-04T12:27:51+00:00 to 2026-06-04T13:53:38+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_057",
    "zone_name": "Brest Approaches Monitoring Zone",
    "dwell_minutes": 85.7999999999999971578290569595992565155029296875,
    "points_in_zone": 24,
    "first_point": {
        "ts": "2026-06-04T12:27:51+00:00",
        "lat": 32.2000833000000028505382942967116832733154296875,
        "lon": 30.529533300000000650697984383441507816314697265625
    },
    "last_point": {
        "ts": "2026-06-04T13:53:38+00:00",
        "lat": 32.06224999999999880628820392303168773651123046875,
        "lon": 30.914583300000000321006154990755021572113037109375
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Aegean Monitoring Zone
Jun 4, 2026 11:00 UTC 80.0% ▼
  • Zone: Eastern Aegean Monitoring Zone
  • Duration: 1h 29m
  • Data Points: 37 AIS positions
  • Period: 2026-06-04T11:00:50+00:00 to 2026-06-04T12:29:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_076",
    "zone_name": "Eastern Aegean Monitoring Zone",
    "dwell_minutes": 89,
    "points_in_zone": 37,
    "first_point": {
        "ts": "2026-06-04T11:00:50+00:00",
        "lat": 32.31788329999999831443346920423209667205810546875,
        "lon": 30.14011670000000009395080269314348697662353515625
    },
    "last_point": {
        "ts": "2026-06-04T12:29:51+00:00",
        "lat": 32.1968667000000010602889233268797397613525390625,
        "lon": 30.5385500000000007503331289626657962799072265625
    }
}
Methodology: 2026.01.18
Zone Dwell Eastern Aegean Monitoring Zone
Jun 4, 2026 10:21 UTC 80.0% ▼
  • Zone: Eastern Aegean Monitoring Zone
  • Duration: 2h 7m
  • Data Points: 55 AIS positions
  • Period: 2026-06-04T10:21:57+00:00 to 2026-06-04T12:29:51+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_076",
    "zone_name": "Eastern Aegean Monitoring Zone",
    "dwell_minutes": 127.900000000000005684341886080801486968994140625,
    "points_in_zone": 55,
    "first_point": {
        "ts": "2026-06-04T10:21:57+00:00",
        "lat": 32.3643833000000000765794538892805576324462890625,
        "lon": 29.971033299999998433804648811928927898406982421875
    },
    "last_point": {
        "ts": "2026-06-04T12:29:51+00:00",
        "lat": 32.1968667000000010602889233268797397613525390625,
        "lon": 30.5385500000000007503331289626657962799072265625
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jun 2, 2026 02:00 UTC 80.0% ▼
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 1h 8m
  • Data Points: 19 AIS positions
  • Period: 2026-06-02T02:00:19+00:00 to 2026-06-02T03:08:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 68,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-06-02T02:00:19+00:00",
        "lat": 36.37633329999999887149897404015064239501953125,
        "lon": 14.93993329999999986057446221821010112762451171875
    },
    "last_point": {
        "ts": "2026-06-02T03:08:21+00:00",
        "lat": 36.294966700000003356763045303523540496826171875,
        "lon": 15.252783300000000821228240965865552425384521484375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jun 2, 2026 01:05 UTC 80.0% ▼
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 2h 2m
  • Data Points: 53 AIS positions
  • Period: 2026-06-02T01:05:28+00:00 to 2026-06-02T03:08:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 122.900000000000005684341886080801486968994140625,
    "points_in_zone": 53,
    "first_point": {
        "ts": "2026-06-02T01:05:28+00:00",
        "lat": 36.4473167000000017878846847452223300933837890625,
        "lon": 14.6864167000000005458559826365672051906585693359375
    },
    "last_point": {
        "ts": "2026-06-02T03:08:21+00:00",
        "lat": 36.294966700000003356763045303523540496826171875,
        "lon": 15.252783300000000821228240965865552425384521484375
    }
}
Methodology: 2026.01.18
Zone Dwell Black Sea Sanctioned Vessel Monitoring Zone
Jun 2, 2026 00:04 UTC 80.0% ▼
  • Zone: Black Sea Sanctioned Vessel Monitoring Zone
  • Duration: 3h 4m
  • Data Points: 57 AIS positions
  • Period: 2026-06-02T00:04:16+00:00 to 2026-06-02T03:08:21+00:00
Show Raw Evidence JSON
{
    "zone_id": "discovered_025",
    "zone_name": "Black Sea Sanctioned Vessel Monitoring Zone",
    "dwell_minutes": 184.099999999999994315658113919198513031005859375,
    "points_in_zone": 57,
    "first_point": {
        "ts": "2026-06-02T00:04:16+00:00",
        "lat": 36.52378329999999806432242621667683124542236328125,
        "lon": 14.39843330000000065638232626952230930328369140625
    },
    "last_point": {
        "ts": "2026-06-02T03:08:21+00:00",
        "lat": 36.294966700000003356763045303523540496826171875,
        "lon": 15.252783300000000821228240965865552425384521484375
    }
}
Methodology: 2026.01.18

Recent Position Data

Time (UTC) Lat Lon Speed Course Zone
Jun 5 19:54 31.6459 31.7535 0.0 kn 119.0° Eastern Mediterranean Monitoring Zone
Jun 5 19:51 31.6459 31.7535 0.0 kn 119.0° Eastern Mediterranean Monitoring Zone
Jun 5 19:48 31.6459 31.7536 0.0 kn 119.0° Eastern Mediterranean Monitoring Zone
Jun 5 19:45 31.6458 31.7535 0.0 kn 133.0° Eastern Mediterranean Monitoring Zone
Jun 5 19:42 31.6458 31.7535 0.0 kn 308.0° Eastern Mediterranean Monitoring Zone
Jun 5 19:21 31.6456 31.7536 0.0 kn 260.0° Eastern Mediterranean Monitoring Zone
Jun 5 19:18 31.6456 31.7536 0.0 kn 260.0° Eastern Mediterranean Monitoring Zone
Jun 5 18:57 31.6455 31.7536 0.0 kn 348.0° Eastern Mediterranean Monitoring Zone
Jun 5 18:48 31.6455 31.7536 0.0 kn 348.0° Eastern Mediterranean Monitoring Zone
Jun 5 18:39 31.6454 31.7536 0.0 kn 348.0° Eastern Mediterranean Monitoring Zone
Jun 5 18:33 31.6454 31.7536 0.0 kn 348.0° Eastern Mediterranean Monitoring Zone
Jun 5 18:27 31.6453 31.7536 0.0 kn 348.0° Eastern Mediterranean Monitoring Zone
Jun 5 18:06 31.6452 31.7537 0.1 kn 316.0° Eastern Mediterranean Monitoring Zone
Jun 5 17:54 31.6452 31.7537 0.0 kn 311.0° Eastern Mediterranean Monitoring Zone
Jun 5 17:51 31.6452 31.7538 0.0 kn 304.0° Eastern Mediterranean Monitoring Zone
Jun 5 17:39 31.6452 31.7538 0.0 kn 30.0° Eastern Mediterranean Monitoring Zone
Jun 5 17:33 31.6452 31.7538 0.0 kn 353.0° Eastern Mediterranean Monitoring Zone
Jun 5 17:30 31.6452 31.7538 0.0 kn 353.0° Eastern Mediterranean Monitoring Zone
Jun 5 17:24 31.6452 31.7537 0.0 kn 353.0° Eastern Mediterranean Monitoring Zone
Jun 5 16:45 31.6451 31.7539 0.0 kn 353.0° Eastern Mediterranean Monitoring Zone

Showing 20 of 100 recent positions.

Data Source

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

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