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STAVR — Tug · IMO 9521241

RUUnder way using engine
World map showing the last known position of STAVR at 59° 40.587' N, 28° 24.570' E
NSEW
Current PositionNo recent signal

STAVR has not broadcast an AIS position for 26 days. Its most recent report placed it in the Baltic Sea, at 59.6764° N, 28.4095° E, on 13 Aug 2026, 17:03 UTC. It was sailing from UST-LUGA to UST-LUGA.

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Updated 25 days ago using terrestrial data
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Under way using engine
Current Navigational Status
0.0 kn
Speed
0.0°
/ 85°
Course / Heading
4.6 m
Static Draught
4.6 m
Current Draught

Voyage Tracker

ATD
06:12 UTCJul 28, 2026
ETA
11:05 UTCAug 12, 2026
STAVR

STAVR

Identity

Tug
Type
Russia flagRU
Flag
9521241
IMO Number
273330930
MMSI
UBZF6
Call Sign

Specifications

26 m × 9 m
Length × Breadth
N/A
Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that STAVR 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 Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.
Departure Port
Port of UST-LUGA
Port traffic, arrivals and live vessel positions for UST-LUGA (RUULU).

About STAVR

Identity · Ownership · Class · Route

STAVR — Tug

STAVR is a tug registered under the Russian Federation flag.

STAVR route and voyage history

STAVR is currently on a voyage from UST-LUGA to UST-LUGA with an estimated arrival on 2026-08-12T11:05:00Z. The live route and current course of STAVR 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

Vessels in the same class as STAVR can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

Frequently Asked Questions

Where is STAVR right now?+
STAVR has not broadcast an AIS position for 26 days. The most recent broadcast placed it in the Baltic Sea, on 13 Aug 2026, 17:03 UTC. It was sailing from UST-LUGA to UST-LUGA. 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 STAVR?+
STAVR broadcasts MMSI 273330930 and is registered as IMO 9521241, with call sign UBZF6. 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 STAVR?+
STAVR is classified as a tug vessel registered under the RU flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full RU flag list at /flag/ru.
How can I see the live position of STAVR?+
MarineRadar shows the latest AIS broadcast from STAVR 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 STAVR'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 STAVR?+
As a tug, STAVR sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel.

STAVR — Key Facts

MMSI
273330930
IMO number
9521241
Call sign
UBZF6
Vessel type
Tug
Flag state
RU
Navigation status
Under way using engine
Current speed
0.0 knots
Course over ground
0.0°
Heading
85°
Last known position
59.6764°, 28.4095°
Destination
UST-LUGA
ETA
2026-08-12T11:05:00Z
Departure port
UST-LUGA
Actual time of departure
2026-07-28T06:12:00Z
Current draught
4.6 m
Maximum static draught
4.6 m
AIS last updated
2026-08-13T17:03:00Z