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Russia flag

OB RIVER — Tanker · IMO 9435351

RUAt anchor
World map showing the last known position of OB RIVER at 44° 43.123' N, 47° 44.647' E
NSEW
Current PositionNo recent signal

OB RIVER has not broadcast an AIS position for 4 days. Its most recent report placed it, at 44.7187° N, 47.7441° E, on 4 Sep 2026, 11:40 UTC. It was sailing from AMIRABAD to ASTRAKHAN.

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Updated 4 days ago using terrestrial data
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At anchor
Current Navigational Status
0.0 kn
Speed
311.0°
/ 124°
Course / Heading
3.2 m
Static Draught
3.2 m
Current Draught

Voyage Tracker

ATD
17:13 UTCJul 31, 2026
ETA
12:00 UTCSep 4, 2026
OB RIVER

OB RIVER

Identity

Tanker
Type
Russia flagRU
Flag
9435351
IMO Number
273336920
MMSI
UBTF3
Call Sign

Specifications

140 m × 17 m
Length × Breadth
2008-01-01
Year Built
7,072 t
Deadweight
4,681 t
Gross Tonnage
2,400 kW
Engine Power
KRASNOYE SORMOVO SHIPYARD - NIZHNIY NOVGOROD, RUSSIA
Builder
RUSSIAN MARITIME REGISTER OF SHIPPING
Class Society
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Dive into the fleet, port, and flag state that OB RIVER is part of.

Flag State
All RU-flagged vessels
Browse every ship currently registered under the RU flag, with live AIS positions.
Vessel Type
Browse all Tankers
See the global fleet of tankers tracked on MarineRadar with live AIS data.
Departure Port
Port of AMIRABAD
Port traffic, arrivals and live vessel positions for AMIRABAD (IRAMP).
Destination Port
Port of ASTRAKHAN
Arrivals, berth specifications, and live vessel traffic for ASTRAKHAN (RUASF).

About OB RIVER

Identity · Ownership · Class · Route

OB RIVER — Tanker

Built in 2008, with a gross tonnage of 4,681 GT, and a dead weight of 7,072 tonnes, OB RIVER is a tanker registered under the Russian Federation flag. The vessel is owned by PALMALI SHIPPING SERVICES - ISTANBUL, TURKEY, built by KRASNOYE SORMOVO SHIPYARD - NIZHNIY NOVGOROD, RUSSIA.

OB RIVER route and voyage history

OB RIVER is currently on a voyage from AMIRABAD to ASTRAKHAN with an estimated arrival on 2026-09-04T12:00:00Z. The live route and current course of OB RIVER are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

OB RIVER is classed by RUSSIAN MARITIME REGISTER OF SHIPPING, which inspects the vessel against its safety and structural rules. Vessels in the same class as OB RIVER can be seen in the Similar Vessels section above or in the full tanker fleet at /vessel-type/tanker.

Frequently Asked Questions

Where is OB RIVER right now?+
OB RIVER has not broadcast an AIS position for 4 days. The most recent broadcast placed it, on 4 Sep 2026, 11:40 UTC. It was sailing from AMIRABAD to ASTRAKHAN. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.
What are the identifiers for OB RIVER?+
OB RIVER broadcasts MMSI 273336920 and is registered as IMO 9435351, with call sign UBTF3 . 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.
What type of ship is OB RIVER?+
OB RIVER is classified as a tanker 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 fleet at /vessel-type/tanker and full RU flag list at /flag/ru.
How can I see the live position of OB RIVER?+
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.
How often is OB RIVER's position updated?+
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.
What class is OB RIVER?+
OB RIVER is classed by RUSSIAN MARITIME REGISTER OF SHIPPING, the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a tanker, OB RIVER sits in the same design class as the other tankers listed in the Similar Vessels section of the vessel page, or in the full tanker directory at /vessel-type/tanker. OB RIVER has a gross tonnage of 4,681 GT.

OB RIVER — Key Facts

MMSI
273336920
IMO number
9435351
Call sign
UBTF3
Vessel type
Tanker
Flag state
RU
Navigation status
At anchor
Current speed
0.0 knots
Course over ground
311.0°
Heading
124°
Last known position
44.7187°, 47.7441°
Destination
ASTRAKHAN
ETA
2026-09-04T12:00:00Z
Departure port
AMIRABAD
Actual time of departure
2026-07-31T17:13:00Z
Current draught
3.2 m
Maximum static draught
3.2 m
Year built
2008-01-01
Gross tonnage
4681
Dead weight
7072 t
AIS last updated
2026-09-04T11:40:00Z