SHENZHEN

IMO 9276561

Vessel information

Vessel Name SHENZHEN View name history 📜
IMO Number 9276561
MMSI 629009508
Vessel Type Oil Tanker | Navire-citerne pour produits pétroliers
Flag 🇨🇲 Cameroon View flag history 📜
Call Sign C5J610
Gross Tonnage 58,156 GT
Year Built 2004

Sanctioned by

Company & Ownership

🏢
Seafoam Marine Ltd
IMO Company: 0110695
Address 6th Floor, Meydan Grandstand, Al Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates.
Status Active
Fleet 1.0 owner, 1.0 operator, 1.0 manager, 0.0 beneficial

Management & Operations

ISM Manager
UNKNOWN
Unknown
Commercial Manager
NORTHPORT NAVIGATION INC
6th Floor, Meydan Grandstand, Al Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates.
Registered Owner
SEAFOAM MARINE LTD
Trust Company Complex, Ajeltake Road, Ajeltake, Majuro MH 96960, Marshall Islands.

Classification & Safety

Current Classification
American Bureau of Shipping (IACS) Delivered

Port State Control (PSC) Inspections

⚠️
Risk Level
MEDIUM
Last 36 Months
5
Inspections
1
Detentions
Last Inspection
📍 Dongjiakou
📅 2025-11-06

Survey Renewal & Certificates

Code Type Issuer Issued Expires
509 Document of Compliance DNVGL 12/09/2022 19/12/2027

Programs & Notes

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

DateOfListing: 2025-02-25 || DateDesignated: 2025-07-21 | Shipping sanctions: (see “Other information”) | Shipping sanctions: a specified ship is prohibited from being provided with access to or having its master or pilot cause it to enter a port in the UK, may have its registration on the UK Ship Register terminated, and a master or pilot of a specified ship may be given a port barring direction, a detention direction, and a port entry direction or a movement direction. | IMO 9276561 (“Prs Ocean”) is, has been or is likely to be involved in activity whose object or effect is to destabilise Ukraine or undermine or threaten the territorial integrity, sovereignty or independence of Ukraine or to obtain a benefit from or support the Government of Russia. Namely, 9276561 is involved in carrying oil or oil products that originated in Russia from Russia to a third country.

Vessel Changes

11 changes

AIS Events

50 events detected • 1 zone • Last: Jul 8, 2026

Zone Dwell Yosu, South Korea STS Zone Jul 8, 2026 02:07 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 2h 48m
  • Data Points: 5 AIS positions
  • Period: 2026-07-08T02:07:44+00:00 to 2026-07-08T04:55:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 168,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-07-08T02:07:44+00:00",
        "lat": 34.7326350000000019235812942497432231903076171875,
        "lon": 127.7961150000000003501554601825773715972900390625
    },
    "last_point": {
        "ts": "2026-07-08T04:55:44+00:00",
        "lat": 34.73260330000000095651557785458862781524658203125,
        "lon": 127.7956899999999933470462565310299396514892578125
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 17:04 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 1h 3m
  • Data Points: 4 AIS positions
  • Period: 2026-07-07T17:04:44+00:00 to 2026-07-07T18:07:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 63,
    "points_in_zone": 4,
    "first_point": {
        "ts": "2026-07-07T17:04:44+00:00",
        "lat": 34.73262170000000281788743450306355953216552734375,
        "lon": 127.795833299999998189377947710454463958740234375
    },
    "last_point": {
        "ts": "2026-07-07T18:07:47+00:00",
        "lat": 34.7326316999999988865965860895812511444091796875,
        "lon": 127.7958732999999966750692692585289478302001953125
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 16:22 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 1h 45m
  • Data Points: 5 AIS positions
  • Period: 2026-07-07T16:22:43+00:00 to 2026-07-07T18:07:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 105.099999999999994315658113919198513031005859375,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-07-07T16:22:43+00:00",
        "lat": 34.7326249999999987494447850622236728668212890625,
        "lon": 127.795929999999998472048901021480560302734375
    },
    "last_point": {
        "ts": "2026-07-07T18:07:47+00:00",
        "lat": 34.7326316999999988865965860895812511444091796875,
        "lon": 127.7958732999999966750692692585289478302001953125
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 14:40 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 3h 27m
  • Data Points: 7 AIS positions
  • Period: 2026-07-07T14:40:42+00:00 to 2026-07-07T18:07:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 207.099999999999994315658113919198513031005859375,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-07-07T14:40:42+00:00",
        "lat": 34.73264499999999799229044583626091480255126953125,
        "lon": 127.796234999999995807229424826800823211669921875
    },
    "last_point": {
        "ts": "2026-07-07T18:07:47+00:00",
        "lat": 34.7326316999999988865965860895812511444091796875,
        "lon": 127.7958732999999966750692692585289478302001953125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 7, 2026 12:13 UTC 75.0%
  • Duration: 5h 54m
  • Radius: 29 meters
  • Data Points: 10 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 28.699999999999999289457264239899814128875732421875,
    "duration_minutes": 354,
    "points": 10,
    "centroid": {
        "lat": 34.7326336800000063931292970664799213409423828125,
        "lon": 127.7960401600000039934457163326442241668701171875
    },
    "bbox": {
        "min_lat": 34.73261000000000109366737888194620609283447265625,
        "min_lon": 127.795760000000001355147105641663074493408203125,
        "max_lat": 34.732658299999997097984305582940578460693359375,
        "max_lon": 127.79635170000000243817339651286602020263671875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 12:13 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 5h 54m
  • Data Points: 10 AIS positions
  • Period: 2026-07-07T12:13:45+00:00 to 2026-07-07T18:07:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 354,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-07-07T12:13:45+00:00",
        "lat": 34.732658299999997097984305582940578460693359375,
        "lon": 127.79635170000000243817339651286602020263671875
    },
    "last_point": {
        "ts": "2026-07-07T18:07:47+00:00",
        "lat": 34.7326316999999988865965860895812511444091796875,
        "lon": 127.7958732999999966750692692585289478302001953125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 7, 2026 11:55 UTC 75.0%
  • Duration: 6h 12m
  • Radius: 27 meters
  • Data Points: 11 AIS positions
  • Centroid: 34.7326, 127.7961
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 27.39999999999999857891452847979962825775146484375,
    "duration_minutes": 372.1000000000000227373675443232059478759765625,
    "points": 11,
    "centroid": {
        "lat": 34.7326357727272778674887376837432384490966796875,
        "lon": 127.79605848181819283126969821751117706298828125
    },
    "bbox": {
        "min_lat": 34.73261000000000109366737888194620609283447265625,
        "min_lon": 127.795760000000001355147105641663074493408203125,
        "max_lat": 34.732658299999997097984305582940578460693359375,
        "max_lon": 127.79635170000000243817339651286602020263671875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 11:55 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 12m
  • Data Points: 11 AIS positions
  • Period: 2026-07-07T11:55:42+00:00 to 2026-07-07T18:07:47+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 372.1000000000000227373675443232059478759765625,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-07-07T11:55:42+00:00",
        "lat": 34.73265669999999971651050145737826824188232421875,
        "lon": 127.7962416999999959443812258541584014892578125
    },
    "last_point": {
        "ts": "2026-07-07T18:07:47+00:00",
        "lat": 34.7326316999999988865965860895812511444091796875,
        "lon": 127.7958732999999966750692692585289478302001953125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 7, 2026 09:01 UTC 75.0%
  • Duration: 5h 56m
  • Radius: 22 meters
  • Data Points: 10 AIS positions
  • Centroid: 34.7326, 127.7961
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 21.5,
    "duration_minutes": 356.8999999999999772626324556767940521240234375,
    "points": 10,
    "centroid": {
        "lat": 34.73263684000000495188942295499145984649658203125,
        "lon": 127.7961188400000054343763622455298900604248046875
    },
    "bbox": {
        "min_lat": 34.73261169999999964375092531554400920867919921875,
        "min_lon": 127.79588499999999839928932487964630126953125,
        "max_lat": 34.732658299999997097984305582940578460693359375,
        "max_lon": 127.79635170000000243817339651286602020263671875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 09:01 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 30m
  • Data Points: 9 AIS positions
  • Period: 2026-07-07T09:52:45+00:00 to 2026-07-07T16:22:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 390,
    "points_in_zone": 9,
    "first_point": {
        "ts": "2026-07-07T09:52:45+00:00",
        "lat": 34.73261169999999964375092531554400920867919921875,
        "lon": 127.7959167000000064717823988758027553558349609375
    },
    "last_point": {
        "ts": "2026-07-07T16:22:43+00:00",
        "lat": 34.7326249999999987494447850622236728668212890625,
        "lon": 127.795929999999998472048901021480560302734375
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 7, 2026 08:10 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 26 meters
  • Data Points: 14 AIS positions
  • Centroid: 34.7326, 127.7961
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 25.699999999999999289457264239899814128875732421875,
    "duration_minutes": 396,
    "points": 14,
    "centroid": {
        "lat": 34.7326348785714316136363777332007884979248046875,
        "lon": 127.7960728571428745681259897537529468536376953125
    },
    "bbox": {
        "min_lat": 34.73261169999999964375092531554400920867919921875,
        "min_lon": 127.79588499999999839928932487964630126953125,
        "max_lat": 34.732658299999997097984305582940578460693359375,
        "max_lon": 127.79635170000000243817339651286602020263671875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 08:10 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 36m
  • Data Points: 14 AIS positions
  • Period: 2026-07-07T08:22:44+00:00 to 2026-07-07T14:58:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 396,
    "points_in_zone": 14,
    "first_point": {
        "ts": "2026-07-07T08:22:44+00:00",
        "lat": 34.7326249999999987494447850622236728668212890625,
        "lon": 127.7959833000000031688614399172365665435791015625
    },
    "last_point": {
        "ts": "2026-07-07T14:58:42+00:00",
        "lat": 34.73265169999999812944224686361849308013916015625,
        "lon": 127.796210000000002082742867060005664825439453125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 7, 2026 03:58 UTC 75.0%
  • Duration: 5h 57m
  • Radius: 10 meters
  • Data Points: 10 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 10,
    "duration_minutes": 357,
    "points": 10,
    "centroid": {
        "lat": 34.7326256500000027926944312639534473419189453125,
        "lon": 127.795978829999995696198311634361743927001953125
    },
    "bbox": {
        "min_lat": 34.73261169999999964375092531554400920867919921875,
        "min_lon": 127.79588499999999839928932487964630126953125,
        "max_lat": 34.73263829999999785513864480890333652496337890625,
        "max_lon": 127.7960882999999938647306407801806926727294921875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 03:07 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 5h 57m
  • Data Points: 10 AIS positions
  • Period: 2026-07-07T03:58:43+00:00 to 2026-07-07T09:55:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 357,
    "points_in_zone": 10,
    "first_point": {
        "ts": "2026-07-07T03:58:43+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.7960882999999938647306407801806926727294921875
    },
    "last_point": {
        "ts": "2026-07-07T09:55:44+00:00",
        "lat": 34.732613299999997025224729441106319427490234375,
        "lon": 127.7959249999999968849806464277207851409912109375
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 7, 2026 02:46 UTC 75.0%
  • Duration: 6h 21m
  • Radius: 28 meters
  • Data Points: 11 AIS positions
  • Centroid: 34.7326, 127.7961
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 27.60000000000000142108547152020037174224853515625,
    "duration_minutes": 381.1000000000000227373675443232059478759765625,
    "points": 11,
    "centroid": {
        "lat": 34.73263331818181853805072023533284664154052734375,
        "lon": 127.7960674090908952393874642439186573028564453125
    },
    "bbox": {
        "min_lat": 34.7326233000000001993612386286258697509765625,
        "min_lon": 127.79588499999999839928932487964630126953125,
        "max_lat": 34.73264999999999957935870043002068996429443359375,
        "max_lon": 127.7963682999999974754246068187057971954345703125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 02:46 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 21m
  • Data Points: 11 AIS positions
  • Period: 2026-07-07T02:46:43+00:00 to 2026-07-07T09:07:46+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 381.1000000000000227373675443232059478759765625,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-07-07T02:46:43+00:00",
        "lat": 34.73264499999999799229044583626091480255126953125,
        "lon": 127.7963682999999974754246068187057971954345703125
    },
    "last_point": {
        "ts": "2026-07-07T09:07:46+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.79588499999999839928932487964630126953125
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 01:16 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 2h 42m
  • Data Points: 5 AIS positions
  • Period: 2026-07-07T01:16:43+00:00 to 2026-07-07T03:58:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 162,
    "points_in_zone": 5,
    "first_point": {
        "ts": "2026-07-07T01:16:43+00:00",
        "lat": 34.732613299999997025224729441106319427490234375,
        "lon": 127.7956132999999994126483215950429439544677734375
    },
    "last_point": {
        "ts": "2026-07-07T03:58:43+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.7960882999999938647306407801806926727294921875
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 7, 2026 00:34 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 3h 24m
  • Data Points: 8 AIS positions
  • Period: 2026-07-07T00:34:43+00:00 to 2026-07-07T03:58:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 204,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-07-07T00:34:43+00:00",
        "lat": 34.73264499999999799229044583626091480255126953125,
        "lon": 127.7961317000000036614437703974545001983642578125
    },
    "last_point": {
        "ts": "2026-07-07T03:58:43+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.7960882999999938647306407801806926727294921875
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 23:01 UTC 75.0%
  • Duration: 4h 57m
  • Radius: 40 meters
  • Data Points: 12 AIS positions
  • Centroid: 34.7326, 127.7961
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 40.39999999999999857891452847979962825775146484375,
    "duration_minutes": 297,
    "points": 12,
    "centroid": {
        "lat": 34.73263320000000220488800550810992717742919921875,
        "lon": 127.7960540250000320838807965628802776336669921875
    },
    "bbox": {
        "min_lat": 34.73260169999999646961441612802445888519287109375,
        "min_lon": 127.7956132999999994126483215950429439544677734375,
        "max_lat": 34.73264999999999957935870043002068996429443359375,
        "max_lon": 127.7963682999999974754246068187057971954345703125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 23:01 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 4h 57m
  • Data Points: 12 AIS positions
  • Period: 2026-07-06T23:01:45+00:00 to 2026-07-07T03:58:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 297,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-06T23:01:45+00:00",
        "lat": 34.73260169999999646961441612802445888519287109375,
        "lon": 127.7956582999999994854078977368772029876708984375
    },
    "last_point": {
        "ts": "2026-07-07T03:58:43+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.7960882999999938647306407801806926727294921875
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 22:13 UTC 75.0%
  • Duration: 5h 45m
  • Radius: 36 meters
  • Data Points: 17 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 36.10000000000000142108547152020037174224853515625,
    "duration_minutes": 345,
    "points": 17,
    "centroid": {
        "lat": 34.73262794117646734548543463461101055145263671875,
        "lon": 127.7959744058823758905418799258768558502197265625
    },
    "bbox": {
        "min_lat": 34.73259829999999936944732326082885265350341796875,
        "min_lon": 127.7956132999999994126483215950429439544677734375,
        "max_lat": 34.73264999999999957935870043002068996429443359375,
        "max_lon": 127.7963682999999974754246068187057971954345703125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 22:13 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 5h 45m
  • Data Points: 17 AIS positions
  • Period: 2026-07-06T22:13:43+00:00 to 2026-07-07T03:58:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 345,
    "points_in_zone": 17,
    "first_point": {
        "ts": "2026-07-06T22:13:43+00:00",
        "lat": 34.73261000000000109366737888194620609283447265625,
        "lon": 127.7956966999999934841980575583875179290771484375
    },
    "last_point": {
        "ts": "2026-07-07T03:58:43+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.7960882999999938647306407801806926727294921875
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Yosu, South Korea STS Zone Jul 6, 2026 22:00 UTC 58/100
Vessel A: IMO 9248837 (OMARA) CAMEROON
Vessel B: SHENZHEN (SHENZHEN) CAMEROON
  • Minimum Distance: 225 meters
  • Average Distance: 269 meters
  • Duration: 36 minutes
  • Period: 2026-07-06T22:00:47+00:00 to 2026-07-06T22:36:49+00:00
  • Vessel A Avg Speed: 0.3 knots
  • Vessel B Avg Speed: 0.3 knots
  • Zone: Yosu, South Korea STS Zone

Confidence Analysis

Score: 58/100

Low-confidence STS candidate – may warrant review. Two tankers (OMARA and SHENZHEN) maintained close proximity (min 224m, avg 269m) for 36 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.3 knots). Moderate distance variation observed during the encounter. Event occurred in Yosu, South Korea STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness15/25Min distance 224m, avg 269m
Duration5/25Duration 36 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±59m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Yosu, South Korea STS Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-07-06T23:45:08.833134+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 613391701,
        "imo": 9248837,
        "name": "OMARA",
        "flag": "CAMEROON"
    },
    "vessel_b": {
        "mmsi": 613290000,
        "imo": 9276561,
        "name": "SHENZHEN",
        "flag": "CAMEROON"
    },
    "min_distance_m": 224.5,
    "avg_distance_m": 268.80000000000001136868377216160297393798828125,
    "distance_consistency_m": 59.2000000000000028421709430404007434844970703125,
    "duration_minutes": 36,
    "overlap_duration_s": 2162,
    "speed_a_avg": 0.270000000000000017763568394002504646778106689453125,
    "speed_a_std": 0.059999999999999997779553950749686919152736663818359375,
    "speed_b_avg": 0.299999999999999988897769753748434595763683319091796875,
    "speed_b_std": 0.1000000000000000055511151231257827021181583404541015625,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.270000000000000017763568394002504646778106689453125,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        }
    },
    "time_window": {
        "start": "2026-07-06T22:00:47+00:00",
        "end": "2026-07-06T22:36:49+00:00"
    },
    "points_count": {
        "vessel_a": 3,
        "vessel_b": 3
    },
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "score": {
        "value": 58,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 224m, avg 269m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 36 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b159m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Yosu, South Korea STS Zone"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (OMARA and SHENZHEN) maintained close proximity (min 224m, avg 269m) for 36 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.3 knots). Moderate distance variation observed during the encounter. Event occurred in Yosu, South Korea STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.732598899999999275678419508039951324462890625,
            "lon": 127.7971117000000020880179363302886486053466796875
        },
        "time_window": {
            "start_ts": "2026-07-06T22:00:47+00:00",
            "end_ts": "2026-07-06T22:36:49+00:00"
        },
        "searched_at": "2026-07-06T23:45:08.833134+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Yosu, South Korea STS Zone Jul 6, 2026 21:58 UTC 58/100
Vessel A: SHENZHEN (SHENZHEN) CAMEROON
Vessel B: IMO 9248837 (OMARA) CAMEROON
  • Minimum Distance: 220 meters
  • Average Distance: 273 meters
  • Duration: 39 minutes
  • Period: 2026-07-06T21:58:43+00:00 to 2026-07-06T22:37:43+00:00
  • Vessel A Avg Speed: 0.3 knots
  • Vessel B Avg Speed: 0.3 knots
  • Zone: Yosu, South Korea STS Zone

Confidence Analysis

Score: 58/100

Low-confidence STS candidate – may warrant review. Two tankers (SHENZHEN and OMARA) maintained close proximity (min 220m, avg 272m) for 39 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.3 knots). Moderate distance variation observed during the encounter. Event occurred in Yosu, South Korea STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness15/25Min distance 220m, avg 272m
Duration5/25Duration 39 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±59m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Yosu, South Korea STS Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-07-06T23:15:01.578223+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 613290000,
        "imo": 9276561,
        "name": "SHENZHEN",
        "flag": "CAMEROON"
    },
    "vessel_b": {
        "mmsi": 613391701,
        "imo": 9248837,
        "name": "OMARA",
        "flag": "CAMEROON"
    },
    "min_distance_m": 220.400000000000005684341886080801486968994140625,
    "avg_distance_m": 272.5,
    "distance_consistency_m": 58.60000000000000142108547152020037174224853515625,
    "duration_minutes": 39,
    "overlap_duration_s": 2340,
    "speed_a_avg": 0.299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_b_avg": 0.2800000000000000266453525910037569701671600341796875,
    "speed_b_std": 0.040000000000000000832667268468867405317723751068115234375,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.40000000000000002220446049250313080847263336181640625
        },
        "vessel_b": {
            "avg_sog": 0.2800000000000000266453525910037569701671600341796875,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        }
    },
    "time_window": {
        "start": "2026-07-06T21:58:43+00:00",
        "end": "2026-07-06T22:37:43+00:00"
    },
    "points_count": {
        "vessel_a": 5,
        "vessel_b": 5
    },
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "score": {
        "value": 58,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 220m, avg 272m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 39 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b159m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Yosu, South Korea STS Zone"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (SHENZHEN and OMARA) maintained close proximity (min 220m, avg 272m) for 39 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.3 knots). Moderate distance variation observed during the encounter. Event occurred in Yosu, South Korea STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.73248199999999741294232080690562725067138671875,
            "lon": 127.7971385000000026366251404397189617156982421875
        },
        "time_window": {
            "start_ts": "2026-07-06T21:58:43+00:00",
            "end_ts": "2026-07-06T22:37:43+00:00"
        },
        "searched_at": "2026-07-06T23:15:01.578223+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 21:25 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 37 meters
  • Data Points: 19 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 37.2999999999999971578290569595992565155029296875,
    "duration_minutes": 393,
    "points": 19,
    "centroid": {
        "lat": 34.7326280736842107899065013043582439422607421875,
        "lon": 127.79596157368422382205608300864696502685546875
    },
    "bbox": {
        "min_lat": 34.73259829999999936944732326082885265350341796875,
        "min_lon": 127.7956132999999994126483215950429439544677734375,
        "max_lat": 34.73264999999999957935870043002068996429443359375,
        "max_lon": 127.7963682999999974754246068187057971954345703125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 21:25 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 33m
  • Data Points: 19 AIS positions
  • Period: 2026-07-06T21:25:45+00:00 to 2026-07-07T03:58:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 393,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-07-06T21:25:45+00:00",
        "lat": 34.7326316999999988865965860895812511444091796875,
        "lon": 127.795866700000004811954568140208721160888671875
    },
    "last_point": {
        "ts": "2026-07-07T03:58:43+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.7960882999999938647306407801806926727294921875
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 20:40 UTC 75.0%
  • Duration: 6h 27m
  • Radius: 38 meters
  • Data Points: 19 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 37.7999999999999971578290569595992565155029296875,
    "duration_minutes": 387,
    "points": 19,
    "centroid": {
        "lat": 34.7326286000000123976860777474939823150634765625,
        "lon": 127.7959558736842069492922746576368808746337890625
    },
    "bbox": {
        "min_lat": 34.73259829999999936944732326082885265350341796875,
        "min_lon": 127.7956132999999994126483215950429439544677734375,
        "max_lat": 34.73264999999999957935870043002068996429443359375,
        "max_lon": 127.7963682999999974754246068187057971954345703125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 20:40 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 27m
  • Data Points: 19 AIS positions
  • Period: 2026-07-06T20:40:44+00:00 to 2026-07-07T03:07:45+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 387,
    "points_in_zone": 19,
    "first_point": {
        "ts": "2026-07-06T20:40:44+00:00",
        "lat": 34.73264000000000351064954884350299835205078125,
        "lon": 127.7959800000000001318767317570745944976806640625
    },
    "last_point": {
        "ts": "2026-07-07T03:07:45+00:00",
        "lat": 34.73264000000000351064954884350299835205078125,
        "lon": 127.7961782999999940102497930638492107391357421875
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 19:25 UTC 75.0%
  • Duration: 5h 51m
  • Radius: 30 meters
  • Data Points: 20 AIS positions
  • Centroid: 34.7326, 127.7959
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 30.39999999999999857891452847979962825775146484375,
    "duration_minutes": 351,
    "points": 20,
    "centroid": {
        "lat": 34.73262567000001155292920884676277637481689453125,
        "lon": 127.795896254999973962185322307050228118896484375
    },
    "bbox": {
        "min_lat": 34.73259829999999936944732326082885265350341796875,
        "min_lon": 127.7956132999999994126483215950429439544677734375,
        "max_lat": 34.73264830000000102927515399642288684844970703125,
        "max_lon": 127.796226700000005394031177274882793426513671875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 19:25 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 5h 51m
  • Data Points: 20 AIS positions
  • Period: 2026-07-06T19:25:43+00:00 to 2026-07-07T01:16:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 351,
    "points_in_zone": 20,
    "first_point": {
        "ts": "2026-07-06T19:25:43+00:00",
        "lat": 34.7326233000000001993612386286258697509765625,
        "lon": 127.7958866999999969493728713132441043853759765625
    },
    "last_point": {
        "ts": "2026-07-07T01:16:43+00:00",
        "lat": 34.732613299999997025224729441106319427490234375,
        "lon": 127.7956132999999994126483215950429439544677734375
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 18:19 UTC 75.0%
  • Duration: 6h 33m
  • Radius: 30 meters
  • Data Points: 22 AIS positions
  • Centroid: 34.7326, 127.7959
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 30.10000000000000142108547152020037174224853515625,
    "duration_minutes": 393,
    "points": 22,
    "centroid": {
        "lat": 34.7326255363636420270267990417778491973876953125,
        "lon": 127.795898945454524664455675520002841949462890625
    },
    "bbox": {
        "min_lat": 34.73259829999999936944732326082885265350341796875,
        "min_lon": 127.7956582999999994854078977368772029876708984375,
        "max_lat": 34.73264830000000102927515399642288684844970703125,
        "max_lon": 127.796226700000005394031177274882793426513671875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 18:19 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 33m
  • Data Points: 22 AIS positions
  • Period: 2026-07-06T18:25:42+00:00 to 2026-07-07T00:58:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 393,
    "points_in_zone": 22,
    "first_point": {
        "ts": "2026-07-06T18:25:42+00:00",
        "lat": 34.73261000000000109366737888194620609283447265625,
        "lon": 127.7956649999999996225596987642347812652587890625
    },
    "last_point": {
        "ts": "2026-07-07T00:58:44+00:00",
        "lat": 34.7326417000000020607330952771008014678955078125,
        "lon": 127.7960616999999956533429212868213653564453125
    }
}

Methodology: 2026.01.18

Sts🛰️✗ Yosu, South Korea STS Zone Jul 6, 2026 17:54 UTC 58/100
Vessel A: IMO 9248837 (OMARA) CAMEROON
Vessel B: SHENZHEN (SHENZHEN) CAMEROON
  • Minimum Distance: 254 meters
  • Average Distance: 317 meters
  • Duration: 36 minutes
  • Period: 2026-07-06T17:54:29+00:00 to 2026-07-06T18:30:32+00:00
  • Vessel A Avg Speed: 0.3 knots
  • Vessel B Avg Speed: 0.3 knots
  • Zone: Yosu, South Korea STS Zone

Confidence Analysis

Score: 58/100

Low-confidence STS candidate – may warrant review. Two tankers (OMARA and SHENZHEN) maintained close proximity (min 254m, avg 317m) for 36 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.2 knots). Moderate distance variation observed during the encounter. Event occurred in Yosu, South Korea STS Zone, a known STS activity area.

View scoring breakdown
FactorScoreDetail
Distance Tightness15/25Min distance 254m, avg 317m
Duration5/25Duration 36 minutes
Speed Stability20/20both nearly stationary; very stable speeds
Distance Consistency8/15Distance variance ±90m
Isolation5/10Isolation data not available
Context5/5In monitored zone: Yosu, South Korea STS Zone

🛰️ Satellite Corroboration

SAR Not Available

No satellite imagery for this time/location

No Sentinel-1 scenes covering AOI and time window

Searched: 2026-07-06T20:15:01.261390+00:00

Show Raw Evidence JSON
{
    "vessel_a": {
        "mmsi": 613391701,
        "imo": 9248837,
        "name": "OMARA",
        "flag": "CAMEROON"
    },
    "vessel_b": {
        "mmsi": 613290000,
        "imo": 9276561,
        "name": "SHENZHEN",
        "flag": "CAMEROON"
    },
    "min_distance_m": 253.5,
    "avg_distance_m": 317.1000000000000227373675443232059478759765625,
    "distance_consistency_m": 90,
    "duration_minutes": 36,
    "overlap_duration_s": 2163,
    "speed_a_avg": 0.299999999999999988897769753748434595763683319091796875,
    "speed_a_std": 0,
    "speed_b_avg": 0.25,
    "speed_b_std": 0.070000000000000006661338147750939242541790008544921875,
    "speed_summary": {
        "vessel_a": {
            "avg_sog": 0.299999999999999988897769753748434595763683319091796875,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        },
        "vessel_b": {
            "avg_sog": 0.25,
            "max_sog": 0.299999999999999988897769753748434595763683319091796875
        }
    },
    "time_window": {
        "start": "2026-07-06T17:54:29+00:00",
        "end": "2026-07-06T18:30:32+00:00"
    },
    "points_count": {
        "vessel_a": 2,
        "vessel_b": 2
    },
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "score": {
        "value": 58,
        "components": {
            "distance_tightness": {
                "score": 15,
                "max": 25,
                "detail": "Min distance 254m, avg 317m"
            },
            "duration": {
                "score": 5,
                "max": 25,
                "detail": "Duration 36 minutes"
            },
            "speed_stability": {
                "score": 20,
                "max": 20,
                "detail": "both nearly stationary; very stable speeds"
            },
            "distance_consistency": {
                "score": 8,
                "max": 15,
                "detail": "Distance variance \u00b190m"
            },
            "isolation": {
                "score": 5,
                "max": 10,
                "detail": "Isolation data not available"
            },
            "context": {
                "score": 5,
                "max": 5,
                "detail": "In monitored zone: Yosu, South Korea STS Zone"
            }
        },
        "summary": "Low-confidence STS candidate - may warrant review. Two tankers (OMARA and SHENZHEN) maintained close proximity (min 254m, avg 317m) for 36 minutes. Both vessels were slow-moving (avg speeds 0.3 and 0.2 knots). Moderate distance variation observed during the encounter. Event occurred in Yosu, South Korea STS Zone, a known STS activity area."
    },
    "sar": {
        "status": "not_found",
        "centroid": {
            "lat": 34.73317339999999830979504622519016265869140625,
            "lon": 127.797311699999994516474544070661067962646484375
        },
        "time_window": {
            "start_ts": "2026-07-06T17:54:29+00:00",
            "end_ts": "2026-07-06T18:30:32+00:00"
        },
        "searched_at": "2026-07-06T20:15:01.261390+00:00",
        "notes": "No Sentinel-1 scenes covering AOI and time window"
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 17:10 UTC 75.0%
  • Duration: 6h 18m
  • Radius: 29 meters
  • Data Points: 23 AIS positions
  • Centroid: 34.7326, 127.7959
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 29,
    "duration_minutes": 378,
    "points": 23,
    "centroid": {
        "lat": 34.73262369999999776837285025976598262786865234375,
        "lon": 127.795880508695660182638675905764102935791015625
    },
    "bbox": {
        "min_lat": 34.73259829999999936944732326082885265350341796875,
        "min_lon": 127.7956582999999994854078977368772029876708984375,
        "max_lat": 34.73264000000000351064954884350299835205078125,
        "max_lon": 127.7961966999999958716216497123241424560546875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 17:10 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 18m
  • Data Points: 23 AIS positions
  • Period: 2026-07-06T17:10:43+00:00 to 2026-07-06T23:28:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 378,
    "points_in_zone": 23,
    "first_point": {
        "ts": "2026-07-06T17:10:43+00:00",
        "lat": 34.732633300000003373497747816145420074462890625,
        "lon": 127.7961966999999958716216497123241424560546875
    },
    "last_point": {
        "ts": "2026-07-06T23:28:43+00:00",
        "lat": 34.73264000000000351064954884350299835205078125,
        "lon": 127.7960417000000035159246181137859821319580078125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 16:34 UTC 75.0%
  • Duration: 6h 36m
  • Radius: 42 meters
  • Data Points: 25 AIS positions
  • Centroid: 34.7326, 127.7959
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 41.5,
    "duration_minutes": 396,
    "points": 25,
    "centroid": {
        "lat": 34.7326256040000060920647229067981243133544921875,
        "lon": 127.7959123360000148750259540975093841552734375
    },
    "bbox": {
        "min_lat": 34.73259829999999936944732326082885265350341796875,
        "min_lon": 127.7956582999999994854078977368772029876708984375,
        "max_lat": 34.73264830000000102927515399642288684844970703125,
        "max_lon": 127.7963649999999944384398986585438251495361328125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 16:34 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 36m
  • Data Points: 25 AIS positions
  • Period: 2026-07-06T16:52:44+00:00 to 2026-07-06T23:28:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 396,
    "points_in_zone": 25,
    "first_point": {
        "ts": "2026-07-06T16:52:44+00:00",
        "lat": 34.73264830000000102927515399642288684844970703125,
        "lon": 127.7961916999999942845533951185643672943115234375
    },
    "last_point": {
        "ts": "2026-07-06T23:28:43+00:00",
        "lat": 34.73264000000000351064954884350299835205078125,
        "lon": 127.7960417000000035159246181137859821319580078125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 13:10 UTC 75.0%
  • Duration: 6h 27m
  • Radius: 35 meters
  • Data Points: 15 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 35,
    "duration_minutes": 387,
    "points": 15,
    "centroid": {
        "lat": 34.732630886666669312035082839429378509521484375,
        "lon": 127.795983673333324759369133971631526947021484375
    },
    "bbox": {
        "min_lat": 34.73261000000000109366737888194620609283447265625,
        "min_lon": 127.7956649999999996225596987642347812652587890625,
        "max_lat": 34.73264830000000102927515399642288684844970703125,
        "max_lon": 127.7963649999999944384398986585438251495361328125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 13:10 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 27m
  • Data Points: 15 AIS positions
  • Period: 2026-07-06T13:10:45+00:00 to 2026-07-06T19:37:45+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 387,
    "points_in_zone": 15,
    "first_point": {
        "ts": "2026-07-06T13:10:45+00:00",
        "lat": 34.7326283000000017864294932223856449127197265625,
        "lon": 127.7960517000000066900611273013055324554443359375
    },
    "last_point": {
        "ts": "2026-07-06T19:37:45+00:00",
        "lat": 34.732626699999997299528331495821475982666015625,
        "lon": 127.79581500000000460204319097101688385009765625
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 12:46 UTC 75.0%
  • Duration: 5h 51m
  • Radius: 32 meters
  • Data Points: 13 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 32.39999999999999857891452847979962825775146484375,
    "duration_minutes": 351,
    "points": 13,
    "centroid": {
        "lat": 34.7326321769230759173296974040567874908447265625,
        "lon": 127.79601795384616025330615229904651641845703125
    },
    "bbox": {
        "min_lat": 34.73261000000000109366737888194620609283447265625,
        "min_lon": 127.7956649999999996225596987642347812652587890625,
        "max_lat": 34.73264830000000102927515399642288684844970703125,
        "max_lon": 127.7963649999999944384398986585438251495361328125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 12:46 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 5h 51m
  • Data Points: 13 AIS positions
  • Period: 2026-07-06T12:46:44+00:00 to 2026-07-06T18:37:45+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 351,
    "points_in_zone": 13,
    "first_point": {
        "ts": "2026-07-06T12:46:44+00:00",
        "lat": 34.73264000000000351064954884350299835205078125,
        "lon": 127.7961317000000036614437703974545001983642578125
    },
    "last_point": {
        "ts": "2026-07-06T18:37:45+00:00",
        "lat": 34.732630000000000336513039655983448028564453125,
        "lon": 127.7959067000000032976458896882832050323486328125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 11:55 UTC 75.0%
  • Duration: 6h 30m
  • Radius: 34 meters
  • Data Points: 12 AIS positions
  • Centroid: 34.7326, 127.7960
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 33.7999999999999971578290569595992565155029296875,
    "duration_minutes": 390,
    "points": 12,
    "centroid": {
        "lat": 34.73263263333333128457525162957608699798583984375,
        "lon": 127.7960330583333217191466246731579303741455078125
    },
    "bbox": {
        "min_lat": 34.73261000000000109366737888194620609283447265625,
        "min_lon": 127.7956649999999996225596987642347812652587890625,
        "max_lat": 34.73264830000000102927515399642288684844970703125,
        "max_lon": 127.7963649999999944384398986585438251495361328125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 11:55 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 30m
  • Data Points: 12 AIS positions
  • Period: 2026-07-06T11:55:42+00:00 to 2026-07-06T18:25:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 390,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-06T11:55:42+00:00",
        "lat": 34.7326249999999987494447850622236728668212890625,
        "lon": 127.7959632999999968205884215421974658966064453125
    },
    "last_point": {
        "ts": "2026-07-06T18:25:42+00:00",
        "lat": 34.73261000000000109366737888194620609283447265625,
        "lon": 127.7956649999999996225596987642347812652587890625
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 09:01 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 4h 18m
  • Data Points: 7 AIS positions
  • Period: 2026-07-06T09:01:43+00:00 to 2026-07-06T13:19:41+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 258,
    "points_in_zone": 7,
    "first_point": {
        "ts": "2026-07-06T09:01:43+00:00",
        "lat": 34.73264000000000351064954884350299835205078125,
        "lon": 127.7961332999999939374902169220149517059326171875
    },
    "last_point": {
        "ts": "2026-07-06T13:19:41+00:00",
        "lat": 34.7326350000000019235812942497432231903076171875,
        "lon": 127.7960049999999938563632895238697528839111328125
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 06:04 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 9m
  • Data Points: 6 AIS positions
  • Period: 2026-07-06T06:37:43+00:00 to 2026-07-06T12:46:44+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 369,
    "points_in_zone": 6,
    "first_point": {
        "ts": "2026-07-06T06:37:43+00:00",
        "lat": 34.73265500000000116642695502378046512603759765625,
        "lon": 127.7962782999999973299054545350372791290283203125
    },
    "last_point": {
        "ts": "2026-07-06T12:46:44+00:00",
        "lat": 34.73264000000000351064954884350299835205078125,
        "lon": 127.7961317000000036614437703974545001983642578125
    }
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 05:46 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 9m
  • Data Points: 8 AIS positions
  • Period: 2026-07-06T05:46:44+00:00 to 2026-07-06T11:55:42+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 369,
    "points_in_zone": 8,
    "first_point": {
        "ts": "2026-07-06T05:46:44+00:00",
        "lat": 34.73263670000000047366484068334102630615234375,
        "lon": 127.7962232999999940830093692056834697723388671875
    },
    "last_point": {
        "ts": "2026-07-06T11:55:42+00:00",
        "lat": 34.7326249999999987494447850622236728668212890625,
        "lon": 127.7959632999999968205884215421974658966064453125
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 03:10 UTC 75.0%
  • Duration: 6h 27m
  • Radius: 28 meters
  • Data Points: 11 AIS positions
  • Centroid: 34.7326, 127.7961
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 28.300000000000000710542735760100185871124267578125,
    "duration_minutes": 387,
    "points": 11,
    "centroid": {
        "lat": 34.73263651818181330099832848645746707916259765625,
        "lon": 127.7961405909090899513103067874908447265625
    },
    "bbox": {
        "min_lat": 34.73260669999999805668267072178423404693603515625,
        "min_lon": 127.795833299999998189377947710454463958740234375,
        "max_lat": 34.73265500000000116642695502378046512603759765625,
        "max_lon": 127.7962782999999973299054545350372791290283203125
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 03:10 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 27m
  • Data Points: 11 AIS positions
  • Period: 2026-07-06T03:10:42+00:00 to 2026-07-06T09:37:43+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 387,
    "points_in_zone": 11,
    "first_point": {
        "ts": "2026-07-06T03:10:42+00:00",
        "lat": 34.73265169999999812944224686361849308013916015625,
        "lon": 127.7962533000000036054188967682421207427978515625
    },
    "last_point": {
        "ts": "2026-07-06T09:37:43+00:00",
        "lat": 34.7326249999999987494447850622236728668212890625,
        "lon": 127.7960767000000004145476850681006908416748046875
    }
}

Methodology: 2026.01.18

Loiter Yosu, South Korea STS Zone Jul 6, 2026 02:49 UTC 75.0%
  • Duration: 6h 21m
  • Radius: 33 meters
  • Data Points: 12 AIS positions
  • Centroid: 34.7326, 127.7962
  • Zone: Yosu, South Korea STS Zone
Show Raw Evidence JSON
{
    "radius_m": 32.7000000000000028421709430404007434844970703125,
    "duration_minutes": 381,
    "points": 12,
    "centroid": {
        "lat": 34.73264110833333262462474522180855274200439453125,
        "lon": 127.7961874833333268952628714032471179962158203125
    },
    "bbox": {
        "min_lat": 34.73260669999999805668267072178423404693603515625,
        "min_lon": 127.795833299999998189377947710454463958740234375,
        "max_lat": 34.732658299999997097984305582940578460693359375,
        "max_lon": 127.79644999999999299689079634845256805419921875
    },
    "zone_id": "osint_yosu_korea"
}

Methodology: 2026.01.18

Zone Dwell Yosu, South Korea STS Zone Jul 6, 2026 02:49 UTC 80.0%
  • Zone: Yosu, South Korea STS Zone
  • Duration: 6h 21m
  • Data Points: 12 AIS positions
  • Period: 2026-07-06T02:49:42+00:00 to 2026-07-06T09:10:41+00:00
Show Raw Evidence JSON
{
    "zone_id": "osint_yosu_korea",
    "zone_name": "Yosu, South Korea STS Zone",
    "dwell_minutes": 381,
    "points_in_zone": 12,
    "first_point": {
        "ts": "2026-07-06T02:49:42+00:00",
        "lat": 34.732658299999997097984305582940578460693359375,
        "lon": 127.79644999999999299689079634845256805419921875
    },
    "last_point": {
        "ts": "2026-07-06T09:10:41+00:00",
        "lat": 34.73264329999999944220689940266311168670654296875,
        "lon": 127.7961083000000002130036591552197933197021484375
    }
}

Methodology: 2026.01.18

Source snapshot

SanctionerAs ofEntity ID
🇬🇧 UK2025-09-299276561

We mirror official lists; always verify at the source.

Sanctioned on the same day

  • ASTERI · IMO 9282493 🇦🇺 AU🇨🇦 CA🇪🇺 EU🇬🇧 UK
  • Deliver · IMO 9194983 🇦🇺 AU🇨🇦 CA🇪🇺 EU🇳🇿 NZ🇬🇧 UK
  • Eventin · IMO 9308065 🇨🇦 CA🇪🇺 EU🇬🇧 UK
  • Pacific · IMO 9329667 🇨🇦 CA🇪🇺 EU🇬🇧 UK
  • RCELEBRA · IMO 9286073 🇨🇦 CA🇪🇺 EU