Rymo

IMO 9308857

Vessel information

Vessel Name Rymo View name history 📜
IMO Number 9308857
MMSI 667001997
Vessel Type Oil Tanker | Navire-citerne pour produits pétroliers
Flag 🇸🇱 Sierra Leone View flag history 📜
Call Sign 9LU2800
Gross Tonnage 58,418 GT
Year Built 2006

Sanctioned by

🇪🇺 EU 2025-07-18🇬🇧 UK 2025-10-15

Company & Ownership

🏢
Serene Holdings Corp
IMO Company: 6487122
Address Suite 10, 3rd Floor, La Ciotat, Mont Fleuri, Mahe Island Seychelles.
Status Active
Fleet 1.0 owner, 1.0 operator, 1.0 manager, 0.0 beneficial

Management & Operations

ISM Manager
FLEETCRAFT MANAGEMENT LLC
Apartment 67, Building 7A, Baku Street AZ 5000, Sumqayit Azerbaijan.
Commercial Manager
ZORVANIS FAIRWINDS LTD
Suite 10, 3rd Floor, La Ciotat, Mont Fleuri, Mahe Island Seychelles.
Registered Owner
SERENE HOLDINGS CORP
Unit 1501-A, 15th Floor, Pioneer Centre, 750, Nathan Road, Mong Kok, Kowloon, Hong Kong, China.

Classification & Safety

Current Classification
Russian Maritime Register of Shipping Delivered

Port State Control (PSC) Inspections

⚠️
Risk Level
LOW
Last 36 Months
5
Inspections
Last Inspection
📍 Malacca
📅 2026-01-29

Survey Renewal & Certificates

Code Type Issuer Issued Expires
510 Safety Management Certificate DNV AS (DNV) (128) 27/10/2022 02/10/2027
509 Document of Compliance DNV AS (DNV) (128) 07/04/2022 31/12/2026

Programs & Notes

EU Russia Sanctions – Shadow Fleet | SEMA (Canada) — vessel designations | The Russia (Sanctions) (EU Exit) Regulations 2019

DateOfListing: 2025-07-20

Vessel Changes

8 changes

AIS Events

50 events detected • 1 zone • Last: Aug 1, 2026

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 09:19 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 1h 9m
  • Data Points: 9 AIS positions
  • Period: 2026-08-01T09:19:11+00:00 to 2026-08-01T10:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 69,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-08-01T09:19:11+00:00",
        "lat": 40.94610329999999720484993304125964641571044921875,
        "lon": 28.7442716999999987592673278413712978363037109375
    },
    "last_point": {
        "ts": "2026-08-01T10:28:09+00:00",
        "lat": 40.94548999999999949750417727045714855194091796875,
        "lon": 28.744736700000000695354174240492284297943115234375
    }
}

Methodology: 2026.01.18

Sts Bosphorus/Dardanelles Approach Aug 1, 2026 09:14 UTC 60/100
Vessel A: Rymo (RYMO) SIERRA LEONE
Vessel B: IMO 9314844 (LYDIA KA) Marshall Is
  • Minimum Distance: 412 meters
  • Average Distance: 439 meters
  • Duration: 57 minutes
  • Period: 2026-08-01T09:31:10+00:00 to 2026-08-01T10:28:09+00:00
  • Vessel A Avg Speed: 0.2 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Bosphorus/Dardanelles Approach

Confidence Analysis

Score: 60/100

Moderate-confidence STS candidate. Two tankers (RYMO and LYDIA KA) maintained close proximity (min 412m, avg 439m) for 57 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus/Dardanelles Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness5/25Min distance 412m, avg 439m
Duration10/25Duration 57 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±21m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001997,
        "imo": 9308857,
        "name": "RYMO",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 538011104,
        "imo": 9314844,
        "name": "LYDIA KA",
        "flag": "Marshall Is"
    },
    "min_distance_m": 412,
    "avg_distance_m": 439.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 20.800000000000000710542735760100185871124267578125,
    "duration_minutes": 57,
    "overlap_duration_s": 3419,
    "speed_a_avg": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_a_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_b_avg": 0.0299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.2200000000000000011102230246251565404236316680908203125,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.0299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        }
    },
    "time_window": {
        "start": "2026-08-01T09:31:10+00:00",
        "end": "2026-08-01T10:28:09+00:00"
    },
    "points_count": {
        "vessel_a": 6,
        "vessel_b": 6
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 60,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 412m, avg 439m"
            },
            "duration": {
                "score": 10,
                "max": 25,
                "detail": "Duration 57 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b121m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (RYMO and LYDIA KA) maintained close proximity (min 412m, avg 439m) for 57 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.0 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

Methodology: 2026.01.18

Sts Bosphorus/Dardanelles Approach Aug 1, 2026 08:56 UTC 75/100
Vessel A: Rymo (RYMO) SIERRA LEONE
Vessel B: IMO 9314844 (LYDIA KA) Marshall Is
  • Minimum Distance: 405 meters
  • Average Distance: 438 meters
  • Duration: 2h 9m
  • Period: 2026-08-01T08:19:08+00:00 to 2026-08-01T10:28:09+00:00
  • Vessel A Avg Speed: 0.2 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Bosphorus/Dardanelles Approach

Confidence Analysis

Score: 75/100

Moderate-confidence STS candidate. Two tankers (RYMO and LYDIA KA) maintained close proximity (min 405m, avg 438m) for 129 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus/Dardanelles Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness5/25Min distance 405m, avg 438m
Duration25/25Duration 129 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±23m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001997,
        "imo": 9308857,
        "name": "RYMO",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 538011104,
        "imo": 9314844,
        "name": "LYDIA KA",
        "flag": "Marshall Is"
    },
    "min_distance_m": 405.1000000000000227373675443232059478759765625,
    "avg_distance_m": 437.8999999999999772626324556767940521240234375,
    "distance_consistency_m": 22.60000000000000142108547152020037174224853515625,
    "duration_minutes": 129,
    "overlap_duration_s": 7741,
    "speed_a_avg": 0.2200000000000000011102230246251565404236316680908203125,
    "speed_a_std": 0.11999999999999999555910790149937383830547332763671875,
    "speed_b_avg": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.2200000000000000011102230246251565404236316680908203125,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.070000000000000006661338147750939242541790008544921875,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-08-01T08:19:08+00:00",
        "end": "2026-08-01T10:28:09+00:00"
    },
    "points_count": {
        "vessel_a": 12,
        "vessel_b": 12
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 75,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 405m, avg 438m"
            },
            "duration": {
                "score": 25,
                "max": 25,
                "detail": "Duration 129 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b123m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (RYMO and LYDIA KA) maintained close proximity (min 405m, avg 438m) for 129 minutes. Both vessels were slow-moving (avg speeds 0.2 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 08:01 UTC 75.0%
  • Duration: 2h 27m
  • Radius: 59 meters
  • Data Points: 13 AIS positions
  • Centroid: 40.9458, 28.7444
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 59.10000000000000142108547152020037174224853515625,
    "duration_minutes": 147,
    "points": 13,
    "centroid": {
        "lat": 40.9458144846153828666501794941723346710205078125,
        "lon": 28.744434738461539069476202712394297122955322265625
    },
    "bbox": {
        "min_lat": 40.94548999999999949750417727045714855194091796875,
        "min_lon": 28.74410999999999916099113761447370052337646484375,
        "max_lat": 40.946286700000001701482688076794147491455078125,
        "max_lon": 28.7448432999999994308382156305015087127685546875
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 08:01 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 2h 27m
  • Data Points: 13 AIS positions
  • Period: 2026-08-01T08:01:10+00:00 to 2026-08-01T10:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 147,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-08-01T08:01:10+00:00",
        "lat": 40.94554169999999970741555443964898586273193359375,
        "lon": 28.7448432999999994308382156305015087127685546875
    },
    "last_point": {
        "ts": "2026-08-01T10:28:09+00:00",
        "lat": 40.94548999999999949750417727045714855194091796875,
        "lon": 28.744736700000000695354174240492284297943115234375
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 07:01 UTC 75.0%
  • Duration: 3h 27m
  • Radius: 75 meters
  • Data Points: 18 AIS positions
  • Centroid: 40.9458, 28.7445
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 74.599999999999994315658113919198513031005859375,
    "duration_minutes": 207,
    "points": 18,
    "centroid": {
        "lat": 40.9458099055555493350766482762992382049560546875,
        "lon": 28.74449749444443824586414848454296588897705078125
    },
    "bbox": {
        "min_lat": 40.94531500000000079353412729687988758087158203125,
        "min_lon": 28.74410999999999916099113761447370052337646484375,
        "max_lat": 40.946286700000001701482688076794147491455078125,
        "max_lon": 28.745096700000001277430783375166356563568115234375
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 07:01 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 3h 27m
  • Data Points: 18 AIS positions
  • Period: 2026-08-01T07:01:08+00:00 to 2026-08-01T10:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 207,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-08-01T07:01:08+00:00",
        "lat": 40.94599670000000202207957045175135135650634765625,
        "lon": 28.74482830000000177506080945022404193878173828125
    },
    "last_point": {
        "ts": "2026-08-01T10:28:09+00:00",
        "lat": 40.94548999999999949750417727045714855194091796875,
        "lon": 28.744736700000000695354174240492284297943115234375
    }
}

Methodology: 2026.01.18

Sts Bosphorus/Dardanelles Approach Aug 1, 2026 06:11 UTC 70/100
Vessel A: IMO 9314844 (LYDIA KA) Marshall Is
Vessel B: Rymo (RYMO) SIERRA LEONE
  • Minimum Distance: 418 meters
  • Average Distance: 454 meters
  • Duration: 1h 33m
  • Period: 2026-08-01T06:11:31+00:00 to 2026-08-01T07:44:35+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.3 knots
  • Zone: Bosphorus/Dardanelles Approach

Confidence Analysis

Score: 70/100

Moderate-confidence STS candidate. Two tankers (LYDIA KA and RYMO) maintained close proximity (min 418m, avg 454m) for 93 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus/Dardanelles Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness5/25Min distance 418m, avg 454m
Duration20/25Duration 93 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±27m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 538011104,
        "imo": 9314844,
        "name": "LYDIA KA",
        "flag": "Marshall Is"
    },
    "vessel_b": {
        "mmsi": 667001997,
        "imo": 9308857,
        "name": "RYMO",
        "flag": "SIERRA LEONE"
    },
    "min_distance_m": 418.19999999999998863131622783839702606201171875,
    "avg_distance_m": 453.69999999999998863131622783839702606201171875,
    "distance_consistency_m": 27.300000000000000710542735760100185871124267578125,
    "duration_minutes": 93.099999999999994315658113919198513031005859375,
    "overlap_duration_s": 5584,
    "speed_a_avg": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_a_std": 0.05000000000000000277555756156289135105907917022705078125,
    "speed_b_avg": 0.2600000000000000088817841970012523233890533447265625,
    "speed_b_std": 0.1700000000000000122124532708767219446599483489990234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.040000000000000000832667268468867405317723751068115234375,
            "max_sog": 0.1000000000000000055511151231257827021181583404541015625
        },
        "vessel_b": {
            "avg_sog": 0.2600000000000000088817841970012523233890533447265625,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-08-01T06:11:31+00:00",
        "end": "2026-08-01T07:44:35+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 70,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 418m, avg 454m"
            },
            "duration": {
                "score": 20,
                "max": 25,
                "detail": "Duration 93 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b127m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (LYDIA KA and RYMO) maintained close proximity (min 418m, avg 454m) for 93 minutes. Both vessels were slow-moving (avg speeds 0.0 and 0.3 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 06:01 UTC 75.0%
  • Duration: 4h 26m
  • Radius: 76 meters
  • Data Points: 25 AIS positions
  • Centroid: 40.9459, 28.7445
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 75.599999999999994315658113919198513031005859375,
    "duration_minutes": 266.8999999999999772626324556767940521240234375,
    "points": 25,
    "centroid": {
        "lat": 40.9458504640000029439761419780552387237548828125,
        "lon": 28.7445425279999966505783959291875362396240234375
    },
    "bbox": {
        "min_lat": 40.94531500000000079353412729687988758087158203125,
        "min_lon": 28.74410999999999916099113761447370052337646484375,
        "max_lat": 40.94639670000000108984750113449990749359130859375,
        "max_lon": 28.745096700000001277430783375166356563568115234375
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 06:01 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 4h 26m
  • Data Points: 25 AIS positions
  • Period: 2026-08-01T06:01:12+00:00 to 2026-08-01T10:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 266.8999999999999772626324556767940521240234375,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-08-01T06:01:12+00:00",
        "lat": 40.945733300000000554064172320067882537841796875,
        "lon": 28.744801700000000010959411156363785266876220703125
    },
    "last_point": {
        "ts": "2026-08-01T10:28:09+00:00",
        "lat": 40.94548999999999949750417727045714855194091796875,
        "lon": 28.744736700000000695354174240492284297943115234375
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 05:19 UTC 75.0%
  • Duration: 5h 9m
  • Radius: 76 meters
  • Data Points: 27 AIS positions
  • Centroid: 40.9459, 28.7446
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 75.900000000000005684341886080801486968994140625,
    "duration_minutes": 309,
    "points": 27,
    "centroid": {
        "lat": 40.945862651851854252527118660509586334228515625,
        "lon": 28.744556659259256292671125265769660472869873046875
    },
    "bbox": {
        "min_lat": 40.94531500000000079353412729687988758087158203125,
        "min_lon": 28.74410999999999916099113761447370052337646484375,
        "max_lat": 40.94639670000000108984750113449990749359130859375,
        "max_lon": 28.745096700000001277430783375166356563568115234375
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 05:19 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 5h 9m
  • Data Points: 27 AIS positions
  • Period: 2026-08-01T05:19:08+00:00 to 2026-08-01T10:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 309,
    "points_in_zone": 27,
    "first_point": {
        "ts": "2026-08-01T05:19:08+00:00",
        "lat": 40.945954999999997880877344869077205657958984375,
        "lon": 28.74475830000000087238731794059276580810546875
    },
    "last_point": {
        "ts": "2026-08-01T10:28:09+00:00",
        "lat": 40.94548999999999949750417727045714855194091796875,
        "lon": 28.744736700000000695354174240492284297943115234375
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Bosphorus/Dardanelles Approach Aug 1, 2026 05:19 UTC 55/100
Vessel A: Rymo (RYMO) SIERRA LEONE
Vessel B: IMO 9314844 (LYDIA KA) Marshall Is
  • Minimum Distance: 450 meters
  • Average Distance: 469 meters
  • Duration: 42 minutes
  • Period: 2026-08-01T05:19:08+00:00 to 2026-08-01T06:01:12+00:00
  • Vessel A Avg Speed: 0.1 knots
  • Vessel B Avg Speed: 0.1 knots
  • Zone: Bosphorus/Dardanelles Approach

Confidence Analysis

Score: 55/100

Low-confidence STS candidate – may warrant review. Two tankers (RYMO and LYDIA KA) maintained close proximity (min 450m, avg 468m) for 42 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus/Dardanelles Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness5/25Min distance 450m, avg 468m
Duration5/25Duration 42 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±22m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Bosphorus/Dardanelles Approach

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-08-01T06:30:02.033300+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 667001997,
        "imo": 9308857,
        "name": "RYMO",
        "flag": "SIERRA LEONE"
    },
    "vessel_b": {
        "mmsi": 538011104,
        "imo": 9314844,
        "name": "LYDIA KA",
        "flag": "Marshall Is"
    },
    "min_distance_m": 449.8999999999999772626324556767940521240234375,
    "avg_distance_m": 468.5,
    "distance_consistency_m": 22.5,
    "duration_minutes": 42.10000000000000142108547152020037174224853515625,
    "overlap_duration_s": 2524,
    "speed_a_avg": 0.13000000000000000444089209850062616169452667236328125,
    "speed_a_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_b_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.13000000000000000444089209850062616169452667236328125,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        },
        "vessel_b": {
            "avg_sog": 0.1000000000000000055511151231257827021181583404541015625,
            "max_sog": 0.200000000000000011102230246251565404236316680908203125
        }
    },
    "time_window": {
        "start": "2026-08-01T05:19:08+00:00",
        "end": "2026-08-01T06:01:12+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 450m, avg 468m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 42 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b122m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (RYMO and LYDIA KA) maintained close proximity (min 450m, avg 468m) for 42 minutes. Both vessels were slow-moving (avg speeds 0.1 and 0.1 knots). The stable separation distance suggests deliberate parallel positioning typical of cargo transfer. Event occurred in Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 40.94718449999999876354195293970406055450439453125,
            "lon": 28.74252919999999988931449479423463344573974609375
        },
        "time_window": {
            "start_ts": "2026-08-01T05:19:08+00:00",
            "end_ts": "2026-08-01T06:01:12+00:00"
        },
        "searched_at": "2026-08-01T06:30:02.033300+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 04:28 UTC 75.0%
  • Duration: 6 hours
  • Radius: 112 meters
  • Data Points: 28 AIS positions
  • Centroid: 40.9458, 28.7446
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 112.2999999999999971578290569595992565155029296875,
    "duration_minutes": 360,
    "points": 28,
    "centroid": {
        "lat": 40.94584112857143765040746075101196765899658203125,
        "lon": 28.74459707500000149593688547611236572265625
    },
    "bbox": {
        "min_lat": 40.94525999999999754663804196752607822418212890625,
        "min_lon": 28.74410999999999916099113761447370052337646484375,
        "max_lat": 40.94639670000000108984750113449990749359130859375,
        "max_lon": 28.745688300000001191847331938333809375762939453125
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 04:28 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6 hours
  • Data Points: 28 AIS positions
  • Period: 2026-08-01T04:28:09+00:00 to 2026-08-01T10:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 360,
    "points_in_zone": 28,
    "first_point": {
        "ts": "2026-08-01T04:28:09+00:00",
        "lat": 40.94525999999999754663804196752607822418212890625,
        "lon": 28.745688300000001191847331938333809375762939453125
    },
    "last_point": {
        "ts": "2026-08-01T10:28:09+00:00",
        "lat": 40.94548999999999949750417727045714855194091796875,
        "lon": 28.744736700000000695354174240492284297943115234375
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 03:46 UTC 75.0%
  • Duration: 6h 14m
  • Radius: 122 meters
  • Data Points: 28 AIS positions
  • Centroid: 40.9458, 28.7446
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 122.2000000000000028421709430404007434844970703125,
    "duration_minutes": 374.8999999999999772626324556767940521240234375,
    "points": 28,
    "centroid": {
        "lat": 40.9458318428571459435261203907430171966552734375,
        "lon": 28.744636896428573891171254217624664306640625
    },
    "bbox": {
        "min_lat": 40.94523000000000223508322960697114467620849609375,
        "min_lon": 28.74410999999999916099113761447370052337646484375,
        "max_lat": 40.94639670000000108984750113449990749359130859375,
        "max_lon": 28.745851699999999340207068598829209804534912109375
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 03:46 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 14m
  • Data Points: 28 AIS positions
  • Period: 2026-08-01T03:46:09+00:00 to 2026-08-01T10:01:06+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 374.8999999999999772626324556767940521240234375,
    "points_in_zone": 28,
    "first_point": {
        "ts": "2026-08-01T03:46:09+00:00",
        "lat": 40.94523000000000223508322960697114467620849609375,
        "lon": 28.745851699999999340207068598829209804534912109375
    },
    "last_point": {
        "ts": "2026-08-01T10:01:06+00:00",
        "lat": 40.945508300000000190266291610896587371826171875,
        "lon": 28.74483000000000032514435588382184505462646484375
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 02:04 UTC 75.0%
  • Duration: 6h 24m
  • Radius: 119 meters
  • Data Points: 20 AIS positions
  • Centroid: 40.9458, 28.7448
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 118.7000000000000028421709430404007434844970703125,
    "duration_minutes": 384.1000000000000227373675443232059478759765625,
    "points": 20,
    "centroid": {
        "lat": 40.94577841499999948382537695579230785369873046875,
        "lon": 28.74481640499999457460944540798664093017578125
    },
    "bbox": {
        "min_lat": 40.9451432999999980211214278824627399444580078125,
        "min_lon": 28.74420669999999944366209092549979686737060546875,
        "max_lat": 40.94639670000000108984750113449990749359130859375,
        "max_lon": 28.74595000000000055706550483591854572296142578125
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 02:04 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 24m
  • Data Points: 20 AIS positions
  • Period: 2026-08-01T02:04:05+00:00 to 2026-08-01T08:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 384.1000000000000227373675443232059478759765625,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-08-01T02:04:05+00:00",
        "lat": 40.9451432999999980211214278824627399444580078125,
        "lon": 28.74595000000000055706550483591854572296142578125
    },
    "last_point": {
        "ts": "2026-08-01T08:28:09+00:00",
        "lat": 40.94594500000000181216819328255951404571533203125,
        "lon": 28.7442683000000016591002349741756916046142578125
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 01:07 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 111 meters
  • Data Points: 20 AIS positions
  • Centroid: 40.9457, 28.7449
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 111,
    "duration_minutes": 393,
    "points": 20,
    "centroid": {
        "lat": 40.9457437500000054342308430932462215423583984375,
        "lon": 28.7448961549999921771814115345478057861328125
    },
    "bbox": {
        "min_lat": 40.9451432999999980211214278824627399444580078125,
        "min_lon": 28.74420669999999944366209092549979686737060546875,
        "max_lat": 40.94639670000000108984750113449990749359130859375,
        "max_lon": 28.74595000000000055706550483591854572296142578125
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 01:07 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 33m
  • Data Points: 20 AIS positions
  • Period: 2026-08-01T01:46:07+00:00 to 2026-08-01T08:19:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 393,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-08-01T01:46:07+00:00",
        "lat": 40.945251700000000028012436814606189727783203125,
        "lon": 28.745863299999999895817381911911070346832275390625
    },
    "last_point": {
        "ts": "2026-08-01T08:19:08+00:00",
        "lat": 40.9457450000000022782842279411852359771728515625,
        "lon": 28.7443482999999986304828780703246593475341796875
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Bosphorus/Dardanelles Approach Aug 1, 2026 01:07 UTC 55/100
Vessel A: IMO 9314844 (LYDIA KA) Marshall Is
Vessel B: Rymo (RYMO) SIERRA LEONE
  • Minimum Distance: 464 meters
  • Average Distance: 470 meters
  • Duration: 42 minutes
  • Period: 2026-08-01T01:08:34+00:00 to 2026-08-01T01:50:32+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Bosphorus/Dardanelles Approach

Confidence Analysis

Score: 55/100

Low-confidence STS candidate – may warrant review. Two tankers (LYDIA KA and RYMO) maintained close proximity (min 464m, avg 470m) for 42 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 Bosphorus/Dardanelles Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness5/25Min distance 464m, avg 470m
Duration5/25Duration 42 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±5m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Bosphorus/Dardanelles Approach

🛰️ Satellite Corroboration

✗ SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-08-01T07:30:12.097486+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 538011104,
        "imo": 9314844,
        "name": "LYDIA KA",
        "flag": "Marshall Is"
    },
    "vessel_b": {
        "mmsi": 667001997,
        "imo": 9308857,
        "name": "RYMO",
        "flag": "SIERRA LEONE"
    },
    "min_distance_m": 464.1000000000000227373675443232059478759765625,
    "avg_distance_m": 470.30000000000001136868377216160297393798828125,
    "distance_consistency_m": 4.70000000000000017763568394002504646778106689453125,
    "duration_minutes": 42,
    "overlap_duration_s": 2518,
    "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": "2026-08-01T01:08:34+00:00",
        "end": "2026-08-01T01:50:32+00:00"
    },
    "points_count": {
        "vessel_a": 7,
        "vessel_b": 7
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 55,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 464m, avg 470m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 42 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b15m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (LYDIA KA and RYMO) maintained close proximity (min 464m, avg 470m) for 42 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 40.9465655999999995628968463279306888580322265625,
            "lon": 28.743768599999999224792190943844616413116455078125
        },
        "time_window": {
            "start_ts": "2026-08-01T01:07:08+00:00",
            "end_ts": "2026-08-01T01:50:32+00:00"
        },
        "searched_at": "2026-08-01T07:30:12.097486+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts Bosphorus/Dardanelles Approach Aug 1, 2026 00:38 UTC 65/100
Vessel A: IMO 9314844 (LYDIA KA) Marshall Is
Vessel B: Rymo (RYMO) SIERRA LEONE
  • Minimum Distance: 464 meters
  • Average Distance: 471 meters
  • Duration: 1h 12m
  • Period: 2026-08-01T00:38:35+00:00 to 2026-08-01T01:50:32+00:00
  • Vessel A Avg Speed: 0.0 knots
  • Vessel B Avg Speed: 0.0 knots
  • Zone: Bosphorus/Dardanelles Approach

Confidence Analysis

Score: 65/100

Moderate-confidence STS candidate. Two tankers (LYDIA KA and RYMO) maintained close proximity (min 464m, avg 471m) for 72 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 Bosphorus/Dardanelles Approach, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness5/25Min distance 464m, avg 471m
Duration15/25Duration 72 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency15/15Distance variance ±4m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 538011104,
        "imo": 9314844,
        "name": "LYDIA KA",
        "flag": "Marshall Is"
    },
    "vessel_b": {
        "mmsi": 667001997,
        "imo": 9308857,
        "name": "RYMO",
        "flag": "SIERRA LEONE"
    },
    "min_distance_m": 464.1000000000000227373675443232059478759765625,
    "avg_distance_m": 470.6000000000000227373675443232059478759765625,
    "distance_consistency_m": 4,
    "duration_minutes": 72,
    "overlap_duration_s": 4317,
    "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": "2026-08-01T00:38:35+00:00",
        "end": "2026-08-01T01:50:32+00:00"
    },
    "points_count": {
        "vessel_a": 10,
        "vessel_b": 10
    },
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "score": {
        "value": 65,
        "components": {
            "distance_tightness": {
                "score": 5,
                "max": 25,
                "detail": "Min distance 464m, avg 471m"
            },
            "duration": {
                "score": 15,
                "max": 25,
                "detail": "Duration 72 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 15,
                "max": 15,
                "detail": "Distance variance \u00b14m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Bosphorus\/Dardanelles Approach"
            }
        },
        "summary": "Moderate-confidence STS candidate. Two tankers (LYDIA KA and RYMO) maintained close proximity (min 464m, avg 471m) for 72 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 Bosphorus\/Dardanelles Approach, a known STS activity area."
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Aug 1, 2026 00:07 UTC 75.0%
  • Duration: 6h 24m
  • Radius: 116 meters
  • Data Points: 18 AIS positions
  • Centroid: 40.9456, 28.7452
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 116.400000000000005684341886080801486968994140625,
    "duration_minutes": 384,
    "points": 18,
    "centroid": {
        "lat": 40.94564398333333343771300860680639743804931640625,
        "lon": 28.7451788777777750283348723314702510833740234375
    },
    "bbox": {
        "min_lat": 40.9451432999999980211214278824627399444580078125,
        "min_lon": 28.744216699999999065084921312518417835235595703125,
        "max_lat": 40.94639670000000108984750113449990749359130859375,
        "max_lon": 28.74596999999999979991116560995578765869140625
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Aug 1, 2026 00:07 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 24m
  • Data Points: 18 AIS positions
  • Period: 2026-08-01T00:43:09+00:00 to 2026-08-01T07:07:07+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 384,
    "points_in_zone": 18,
    "first_point": {
        "ts": "2026-08-01T00:43:09+00:00",
        "lat": 40.9452916999999985137037583626806735992431640625,
        "lon": 28.74596999999999979991116560995578765869140625
    },
    "last_point": {
        "ts": "2026-08-01T07:07:07+00:00",
        "lat": 40.94531500000000079353412729687988758087158203125,
        "lon": 28.745096700000001277430783375166356563568115234375
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Jul 31, 2026 23:19 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 195 meters
  • Data Points: 16 AIS positions
  • Centroid: 40.9454, 28.7459
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 195.400000000000005684341886080801486968994140625,
    "duration_minutes": 396,
    "points": 16,
    "centroid": {
        "lat": 40.9454130249999934676452539861202239990234375,
        "lon": 28.74586947499999922683855402283370494842529296875
    },
    "bbox": {
        "min_lat": 40.94501170000000200843714992515742778778076171875,
        "min_lon": 28.744614999999999582769305561669170856475830078125,
        "max_lat": 40.94607500000000044337866711430251598358154296875,
        "max_lon": 28.748186700000001536636773380450904369354248046875
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 31, 2026 23:19 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 36m
  • Data Points: 16 AIS positions
  • Period: 2026-07-31T23:40:06+00:00 to 2026-08-01T06:16:05+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 396,
    "points_in_zone": 16,
    "first_point": {
        "ts": "2026-07-31T23:40:06+00:00",
        "lat": 40.94531669999999934361767373047769069671630859375,
        "lon": 28.748186700000001536636773380450904369354248046875
    },
    "last_point": {
        "ts": "2026-08-01T06:16:05+00:00",
        "lat": 40.94596829999999698657120461575686931610107421875,
        "lon": 28.744614999999999582769305561669170856475830078125
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Jul 31, 2026 22:49 UTC 75.0%
  • Duration: 6h 29m
  • Radius: 444 meters
  • Data Points: 14 AIS positions
  • Centroid: 40.9448, 28.7460
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 444,
    "duration_minutes": 389.3999999999999772626324556767940521240234375,
    "points": 14,
    "centroid": {
        "lat": 40.944783099999995101825334131717681884765625,
        "lon": 28.74598594999999789934008731506764888763427734375
    },
    "bbox": {
        "min_lat": 40.9411750000000012050804798491299152374267578125,
        "min_lon": 28.74371500000000168029146152548491954803466796875,
        "max_lat": 40.945954999999997880877344869077205657958984375,
        "max_lon": 28.748186700000001536636773380450904369354248046875
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 31, 2026 22:10 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 29m
  • Data Points: 14 AIS positions
  • Period: 2026-07-31T22:49:44+00:00 to 2026-08-01T05:19:08+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 389.3999999999999772626324556767940521240234375,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-07-31T22:49:44+00:00",
        "lat": 40.9411750000000012050804798491299152374267578125,
        "lon": 28.74371500000000168029146152548491954803466796875
    },
    "last_point": {
        "ts": "2026-08-01T05:19:08+00:00",
        "lat": 40.945954999999997880877344869077205657958984375,
        "lon": 28.74475830000000087238731794059276580810546875
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 31, 2026 21:51 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 37m
  • Data Points: 20 AIS positions
  • Period: 2026-07-31T21:51:05+00:00 to 2026-08-01T04:28:09+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 397.1000000000000227373675443232059478759765625,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-07-31T21:51:05+00:00",
        "lat": 40.86685829999999697292878408916294574737548828125,
        "lon": 28.728281700000000142836142913438379764556884765625
    },
    "last_point": {
        "ts": "2026-08-01T04:28:09+00:00",
        "lat": 40.94525999999999754663804196752607822418212890625,
        "lon": 28.745688300000001191847331938333809375762939453125
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 28, 2026 22:26 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 1h 3m
  • Data Points: 8 AIS positions
  • Period: 2026-07-28T22:26:35+00:00 to 2026-07-28T23:29:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 63.2999999999999971578290569595992565155029296875,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-07-28T22:26:35+00:00",
        "lat": 40.76030329999999679557731724344193935394287109375,
        "lon": 28.70257670000000160825948114506900310516357421875
    },
    "last_point": {
        "ts": "2026-07-28T23:29:54+00:00",
        "lat": 40.75924169999999691071934648789465427398681640625,
        "lon": 28.686845000000001704165697447024285793304443359375
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 28, 2026 21:55 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 1h 34m
  • Data Points: 9 AIS positions
  • Period: 2026-07-28T21:55:35+00:00 to 2026-07-28T23:29:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 94.2999999999999971578290569595992565155029296875,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-07-28T21:55:35+00:00",
        "lat": 40.76112830000000286645445157773792743682861328125,
        "lon": 28.710858300000001719354258966632187366485595703125
    },
    "last_point": {
        "ts": "2026-07-28T23:29:54+00:00",
        "lat": 40.75924169999999691071934648789465427398681640625,
        "lon": 28.686845000000001704165697447024285793304443359375
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 28, 2026 05:01 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 2h 50m
  • Data Points: 10 AIS positions
  • Period: 2026-07-28T05:01:54+00:00 to 2026-07-28T07:52:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 170.5,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-07-28T05:01:54+00:00",
        "lat": 40.75105669999999946639945846982300281524658203125,
        "lon": 28.69688670000000030313458410091698169708251953125
    },
    "last_point": {
        "ts": "2026-07-28T07:52:24+00:00",
        "lat": 40.75157329999999689107426092959940433502197265625,
        "lon": 28.737326700000000556656232220120728015899658203125
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Jul 28, 2026 04:03 UTC 75.0%
  • Duration: 1h 33m
  • Radius: 1,000 meters
  • Data Points: 19 AIS positions
  • Centroid: 40.7511, 28.6951
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 1000.1000000000000227373675443232059478759765625,
    "duration_minutes": 93,
    "points": 19,
    "centroid": {
        "lat": 40.75106034736842275378876365721225738525390625,
        "lon": 28.695120963157904725449043326079845428466796875
    },
    "bbox": {
        "min_lat": 40.75069669999999888432284933514893054962158203125,
        "min_lon": 28.6832883000000009587893146090209484100341796875,
        "max_lat": 40.7513833000000005313268047757446765899658203125,
        "max_lon": 28.704551699999999669898897991515696048736572265625
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 28, 2026 04:03 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 3h 49m
  • Data Points: 20 AIS positions
  • Period: 2026-07-28T04:03:04+00:00 to 2026-07-28T07:52:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 229.30000000000001136868377216160297393798828125,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-07-28T04:03:04+00:00",
        "lat": 40.75069669999999888432284933514893054962158203125,
        "lon": 28.6832883000000009587893146090209484100341796875
    },
    "last_point": {
        "ts": "2026-07-28T07:52:24+00:00",
        "lat": 40.75157329999999689107426092959940433502197265625,
        "lon": 28.737326700000000556656232220120728015899658203125
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 28, 2026 03:07 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 4h 44m
  • Data Points: 29 AIS positions
  • Period: 2026-07-28T03:07:34+00:00 to 2026-07-28T07:52:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 284.80000000000001136868377216160297393798828125,
    "points_in_zone": 29,
    "first_point": {
        "ts": "2026-07-28T03:07:34+00:00",
        "lat": 40.7508916999999968311385600827634334564208984375,
        "lon": 28.67122669999999828860381967388093471527099609375
    },
    "last_point": {
        "ts": "2026-07-28T07:52:24+00:00",
        "lat": 40.75157329999999689107426092959940433502197265625,
        "lon": 28.737326700000000556656232220120728015899658203125
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Jul 28, 2026 03:07 UTC 75.0%
  • Duration: 1h 51m
  • Radius: 1,125 meters
  • Data Points: 23 AIS positions
  • Centroid: 40.7510, 28.6925
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 1124.700000000000045474735088646411895751953125,
    "duration_minutes": 111.2999999999999971578290569595992565155029296875,
    "points": 23,
    "centroid": {
        "lat": 40.75100383913044055361751816235482692718505859375,
        "lon": 28.692535291304348987750927335582673549652099609375
    },
    "bbox": {
        "min_lat": 40.75069669999999888432284933514893054962158203125,
        "min_lon": 28.679221699999999373176251538097858428955078125,
        "max_lat": 40.7513833000000005313268047757446765899658203125,
        "max_lon": 28.704551699999999669898897991515696048736572265625
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 28, 2026 01:01 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 4h 34m
  • Data Points: 31 AIS positions
  • Period: 2026-07-28T01:01:24+00:00 to 2026-07-28T05:36:04+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 274.69999999999998863131622783839702606201171875,
    "points_in_zone": 31,
    "first_point": {
        "ts": "2026-07-28T01:01:24+00:00",
        "lat": 40.7505349999999992860466591082513332366943359375,
        "lon": 28.645738300000001430589691153727471828460693359375
    },
    "last_point": {
        "ts": "2026-07-28T05:36:04+00:00",
        "lat": 40.7513833000000005313268047757446765899658203125,
        "lon": 28.704551699999999669898897991515696048736572265625
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 28, 2026 00:23 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 5h 12m
  • Data Points: 40 AIS positions
  • Period: 2026-07-28T00:23:54+00:00 to 2026-07-28T05:36:04+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 312.19999999999998863131622783839702606201171875,
    "points_in_zone": 40,
    "first_point": {
        "ts": "2026-07-28T00:23:54+00:00",
        "lat": 40.749989999999996825863490812480449676513671875,
        "lon": 28.641233299999999672991179977543652057647705078125
    },
    "last_point": {
        "ts": "2026-07-28T05:36:04+00:00",
        "lat": 40.7513833000000005313268047757446765899658203125,
        "lon": 28.704551699999999669898897991515696048736572265625
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Jul 27, 2026 23:19 UTC 75.0%
  • Duration: 1h 57m
  • Radius: 649 meters
  • Data Points: 22 AIS positions
  • Centroid: 40.7500, 28.6405
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 649,
    "duration_minutes": 117.7000000000000028421709430404007434844970703125,
    "points": 22,
    "centroid": {
        "lat": 40.750043863636363994373823516070842742919921875,
        "lon": 28.64053317727272229831214644946157932281494140625
    },
    "bbox": {
        "min_lat": 40.74951999999999685542206862010061740875244140625,
        "min_lon": 28.633418299999998879457052680663764476776123046875,
        "max_lat": 40.750771700000001374064595438539981842041015625,
        "max_lon": 28.64815829999999863275661482475697994232177734375
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 27, 2026 23:19 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 17m
  • Data Points: 50 AIS positions
  • Period: 2026-07-27T23:19:05+00:00 to 2026-07-28T05:36:04+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 377,
    "points_in_zone": 50,
    "first_point": {
        "ts": "2026-07-27T23:19:05+00:00",
        "lat": 40.74960829999999845085767447017133235931396484375,
        "lon": 28.633418299999998879457052680663764476776123046875
    },
    "last_point": {
        "ts": "2026-07-28T05:36:04+00:00",
        "lat": 40.7513833000000005313268047757446765899658203125,
        "lon": 28.704551699999999669898897991515696048736572265625
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Jul 27, 2026 22:01 UTC 75.0%
  • Duration: 3h 15m
  • Radius: 1,281 meters
  • Data Points: 28 AIS positions
  • Centroid: 40.7499, 28.6371
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 1281.299999999999954525264911353588104248046875,
    "duration_minutes": 195.69999999999998863131622783839702606201171875,
    "points": 28,
    "centroid": {
        "lat": 40.7499140464285716234371648170053958892822265625,
        "lon": 28.637059878571424320625737891532480716705322265625
    },
    "bbox": {
        "min_lat": 40.74904500000000240333974943496286869049072265625,
        "min_lon": 28.621931700000001086436896002851426601409912109375,
        "max_lat": 40.750771700000001374064595438539981842041015625,
        "max_lon": 28.64815829999999863275661482475697994232177734375
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 27, 2026 22:01 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 31m
  • Data Points: 44 AIS positions
  • Period: 2026-07-27T22:30:55+00:00 to 2026-07-28T05:01:54+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 391,
    "points_in_zone": 44,
    "first_point": {
        "ts": "2026-07-27T22:30:55+00:00",
        "lat": 40.749646699999999555075191892683506011962890625,
        "lon": 28.62563000000000101863406598567962646484375
    },
    "last_point": {
        "ts": "2026-07-28T05:01:54+00:00",
        "lat": 40.75105669999999946639945846982300281524658203125,
        "lon": 28.69688670000000030313458410091698169708251953125
    }
}

Methodology: 2026.01.18

Loiter Bosphorus/Dardanelles Approach Jul 27, 2026 21:23 UTC 75.0%
  • Duration: 3h 34m
  • Radius: 1,275 meters
  • Data Points: 31 AIS positions
  • Centroid: 40.7498, 28.6355
  • Zone: Bosphorus/Dardanelles Approach
Show Raw Evidence JSON
{
    "radius_m": 1274.90000000000009094947017729282379150390625,
    "duration_minutes": 214.5,
    "points": 31,
    "centroid": {
        "lat": 40.74978924516128842014950350858271121978759765625,
        "lon": 28.635498222580647365020922734402120113372802734375
    },
    "bbox": {
        "min_lat": 40.7484749999999991132426657713949680328369140625,
        "min_lon": 28.62050169999999837955328985117375850677490234375,
        "max_lat": 40.750771700000001374064595438539981842041015625,
        "max_lon": 28.64815829999999863275661482475697994232177734375
    },
    "zone_id": "osint_bosphorus"
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 27, 2026 21:23 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 34m
  • Data Points: 42 AIS positions
  • Period: 2026-07-27T21:54:55+00:00 to 2026-07-28T04:29:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 394.80000000000001136868377216160297393798828125,
    "points_in_zone": 42,
    "first_point": {
        "ts": "2026-07-27T21:54:55+00:00",
        "lat": 40.7488000000000027966962079517543315887451171875,
        "lon": 28.621403300000000768932295613922178745269775390625
    },
    "last_point": {
        "ts": "2026-07-28T04:29:43+00:00",
        "lat": 40.7508882999999997309714672155678272247314453125,
        "lon": 28.6895583000000016227204469032585620880126953125
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 26, 2026 23:02 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 1h 39m
  • Data Points: 12 AIS positions
  • Period: 2026-07-26T23:02:04+00:00 to 2026-07-27T00:41:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 99.2999999999999971578290569595992565155029296875,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-26T23:02:04+00:00",
        "lat": 40.76000169999999656056388630531728267669677734375,
        "lon": 28.70922170000000051004462875425815582275390625
    },
    "last_point": {
        "ts": "2026-07-27T00:41:24+00:00",
        "lat": 40.76203000000000287172952084802091121673583984375,
        "lon": 28.725031699999998835437509114854037761688232421875
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 26, 2026 22:13 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 2h 27m
  • Data Points: 17 AIS positions
  • Period: 2026-07-26T22:13:54+00:00 to 2026-07-27T00:41:24+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 147.5,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-07-26T22:13:54+00:00",
        "lat": 40.7616067000000015241312212310731410980224609375,
        "lon": 28.715978299999999734382072347216308116912841796875
    },
    "last_point": {
        "ts": "2026-07-27T00:41:24+00:00",
        "lat": 40.76203000000000287172952084802091121673583984375,
        "lon": 28.725031699999998835437509114854037761688232421875
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 25, 2026 00:45 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 5h 19m
  • Data Points: 3 AIS positions
  • Period: 2026-07-25T00:45:53+00:00 to 2026-07-25T06:05:03+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 319.19999999999998863131622783839702606201171875,
    "points_in_zone": 3,
    "first_point": {
        "ts": "2026-07-25T00:45:53+00:00",
        "lat": 40.72973669999999657420630683191120624542236328125,
        "lon": 28.54617830000000111567715066485106945037841796875
    },
    "last_point": {
        "ts": "2026-07-25T06:05:03+00:00",
        "lat": 40.67896499999999804231265443377196788787841796875,
        "lon": 28.680434999999999234887582133524119853973388671875
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 24, 2026 19:02 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 5h 43m
  • Data Points: 5 AIS positions
  • Period: 2026-07-24T19:02:44+00:00 to 2026-07-25T00:45:53+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 343.1000000000000227373675443232059478759765625,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-07-24T19:02:44+00:00",
        "lat": 40.785539999999997462509782053530216217041015625,
        "lon": 28.702381700000000108730091596953570842742919921875
    },
    "last_point": {
        "ts": "2026-07-25T00:45:53+00:00",
        "lat": 40.72973669999999657420630683191120624542236328125,
        "lon": 28.54617830000000111567715066485106945037841796875
    }
}

Methodology: 2026.01.18

Zone Dwell Bosphorus/Dardanelles Approach Jul 24, 2026 18:11 UTC 80.0%
  • Zone: Bosphorus/Dardanelles Approach
  • Duration: 6h 34m
  • Data Points: 11 AIS positions
  • Period: 2026-07-24T18:11:13+00:00 to 2026-07-25T00:45:53+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_bosphorus",
    "zone_name": "Bosphorus\/Dardanelles Approach",
    "dwell_minutes": 394.69999999999998863131622783839702606201171875,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-07-24T18:11:13+00:00",
        "lat": 40.783850000000001045918907038867473602294921875,
        "lon": 28.723579999999998335624695755541324615478515625
    },
    "last_point": {
        "ts": "2026-07-25T00:45:53+00:00",
        "lat": 40.72973669999999657420630683191120624542236328125,
        "lon": 28.54617830000000111567715066485106945037841796875
    }
}

Methodology: 2026.01.18

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