MATROS KOSHKA
D E S I G N A T E D · T R A C K E D · R E P O R T E D
| IMO | 9550137 |
| MMSI | 273297880 |
| Flag | RUS |
| Type | — |
| Callsign | UBWW4 |
| Last position | 12 July 2026 03:12 UTC |
Observation status
Last AIS transmission observed 30 days ago. This length of silence is notable for a vessel of this type and warrants observation.
Activity summary
| Observations recorded | 308 |
| First observed | 11 July 2026 |
| Most recent observation | 12 July 2026 |
Last known position
| Coordinates | 41.2929° N, 29.3072° E |
| Date last observed | 12 July 2026 |
This vessel was last observed transmitting AIS from the Black Sea area before going dark. Subsequent movements are not visible to Dark Fleet Watch.
Track and movement
NO VERIFIED IMAGE
IMO 9550137 — vessel type silhouette
Dark Fleet Watch displays only photographs verified against the vessel's IMO. Where no verified photograph is held, a silhouette of the vessel's general type is shown in its place. IMO numbers are permanent identifiers; vessel names and flags can change through sale, reflag, or evasion of monitoring.
Live position, recent track, and proactive alerts are available with an analyst subscription. Contact contact@darkfleetwatch.com.
Sanctions and regulatory listings
| GUR_UA | designated 25 November 2025 |
Recent AIS gaps
| 05 Jul 2026 13:36 UTC | 32h 29m gap, travelled 217.3 nm |
| 05 Jul 2026 04:56 UTC | 7h 21m gap, travelled 65.8 nm |
| 03 Jul 2026 20:00 UTC | 20h 37m gap, travelled 193.7 nm |
| 31 May 2026 04:51 UTC | 6h 51m gap, travelled 47.9 nm |
| 29 May 2026 23:48 UTC | 29h 2m gap, travelled 247.7 nm |
| 29 May 2026 15:53 UTC | 4h 6m gap, travelled 34.7 nm |
| 29 May 2026 11:28 UTC | 4h 24m gap, travelled 40.3 nm |
| 27 May 2026 15:54 UTC | 38h 1m gap, travelled 270.2 nm |