Dark Fleet Watch

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OASIS

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IMO9511387
MMSI461000237
FlagOMN
Type—
CallsignA4DR2
Last position04 August 2026 15:58 UTC

Observation status

Last AIS transmission observed 6 days ago. Within expected variation for vessels operating in areas of weak coastal AIS coverage.

Activity summary

Observations recorded2,153
First observed11 July 2026
Most recent observation05 August 2026

Track and movement

OASIS silhouette

NO VERIFIED IMAGE
IMO 9511387 — vessel type silhouette
Vessel previously named OLYMPIYSKY PROSPECT.

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.

Positions in 7 days 78
Most recent observation 05 August 2026 01:07 UTC
Distance covered 135.3 nm
Average speed when transmitting 11.9 kn

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Sanctions and regulatory listings

GUR_UA designated 11 September 2024
UKSL designated 11 September 2024

Recent AIS gaps

04 Aug 2026 07:06 UTC 6h 45m gap, travelled 80.1 nm
03 Aug 2026 13:25 UTC 7h 6m gap, travelled 91.4 nm
02 Aug 2026 07:10 UTC 6h 46m gap, travelled 82.0 nm
30 Jul 2026 11:40 UTC 65h 37m gap, travelled 776.5 nm
27 Jul 2026 15:11 UTC 68h 25m gap, travelled 587.8 nm
25 Jul 2026 17:53 UTC 4h 53m gap, travelled 50.7 nm
24 Jul 2026 07:42 UTC 11h 50m gap, travelled 94.7 nm
23 Jul 2026 02:52 UTC 28h 44m gap, travelled 316.5 nm
17 Jul 2026 09:01 UTC 132h 8m gap, travelled 116.0 nm
16 Jul 2026 13:25 UTC 19h 36m gap, travelled 61.3 nm