OB RIVER — Tanker - Hazard A (Major) · IMO 9435351

OB RIVER was last reported in the Black Sea. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

OB RIVER broadcasts MMSI 273336920 and is registered as IMO 9435351. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.

OB RIVER is classified as a tanker - hazard a (major) vessel registered under the RU flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tanker - hazard a (major) fleet at /vessel-type/tanker and full RU flag list at /flag/ru.

MarineRadar shows the latest AIS broadcast from OB RIVER above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.

AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.

As a tanker - hazard a (major), OB RIVER sits in the same design class as the other tanker - hazard a (major)s listed in the Similar Vessels section of the vessel page, or in the full tanker - hazard a (major) directory at /vessel-type/tanker.