BORIS SOKOLOV
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 | 9817315 |
| MMSI | 209387000 |
| Flag | CYP |
| Type | — |
| Callsign | 5BBS5 |
| Last position | 23 July 2026 00:39 UTC |
Observation status
Last AIS transmission observed 14 days ago. This length of silence is notable for a vessel of this type and warrants observation.
Activity summary
| Observations recorded | 814 |
| First observed | 11 July 2026 |
| Most recent observation | 27 July 2026 |
Last known position
| Coordinates | 73.5390° N, 67.2864° E |
| Date last observed | 27 July 2026 |
This vessel was last observed transmitting AIS from the open ocean area before going dark. Subsequent movements are not visible to Dark Fleet Watch.
Track and movement
NO VERIFIED IMAGE
IMO 9817315 — 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 04 June 2026 |
Recent AIS gaps
| 23 Jul 2026 02:03 UTC | 113h 22m gap, travelled 662.3 nm |
| 19 Jul 2026 05:58 UTC | 87h 12m gap, travelled 1024.1 nm |
| 18 Jul 2026 01:05 UTC | 28h 47m gap, travelled 243.3 nm |
| 17 Jul 2026 13:15 UTC | 5h 24m gap, travelled 63.2 nm |
| 08 Jul 2026 17:48 UTC | 72h 53m gap, travelled 912.0 nm |
| 29 Jun 2026 08:05 UTC | 219h 20m gap, travelled 216.1 nm |
| 26 Jun 2026 11:47 UTC | 16h 50m gap, travelled 215.6 nm |
| 24 Jun 2026 11:19 UTC | 4h 34m gap, travelled 58.0 nm |
| 21 Jun 2026 17:01 UTC | 64h 27m gap, travelled 90.0 nm |
| 19 Jun 2026 11:57 UTC | 6h 34m gap, travelled 85.5 nm |