United States flag

SAMTug · IMO 9173496

USUnder way using engine
World map showing the last known position of SAM at 41° 13.285' N, 71° 6.339' W
NSEW
Current PositionLast report

SAM was last reported under way in the North Atlantic Ocean, at 41.2214° N, 71.1056° W, on 8 Sep 2026, 06:19 UTC. It was sailing from NEW LONDON to NEW LONDON with an ETA of 8 Sep 2026, 22:21 UTC.

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Updated 9 hours ago using terrestrial data
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Under way using engine
Current Navigational Status
0.5 kn
Speed
286.0°
/ 342°
Course / Heading
5.2 m
Static Draught
5.2 m
Current Draught

Voyage Tracker

ATD
20:54 UTCSep 6, 2026
ETA
22:21 UTCSep 8, 2026
SAM

SAM

Identity

Tug
Type
United States flagUS
Flag
9173496
IMO Number
367165570
MMSI
WDD5908
Call Sign

Specifications

33 m × 12 m
Length × Breadth
1997-01-01
Year Built
369 t
Deadweight
366 t
Gross Tonnage
N/A
Engine Power
MARCO SHIPBUILDING - SEATTLE WA, U.S.A.
Builder
AMERICAN BUREAU OF SHIPPING
Class Society
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Dive into the fleet, port, and flag state that SAM is part of.

Flag State
All US-flagged vessels
Browse every ship currently registered under the US 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 NEW LONDON
Port traffic, arrivals and live vessel positions for NEW LONDON (USNED).

About SAM

Identity · Ownership · Class · Route

SAM — Tug

Built in 1997, with a gross tonnage of 366 GT, and a dead weight of 369 tonnes, SAM is a tug registered under the United States of America flag. The vessel is owned by CROWLEY MARINE SERVICES - SEATTLE WA, United States (USA), built by MARCO SHIPBUILDING - SEATTLE WA, U.S.A..

SAM route and voyage history

SAM is currently on a voyage from NEW LONDON to NEW LONDON with an estimated arrival on 2026-09-08T22:21:00Z. The live route and current course of SAM 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

SAM is classed by AMERICAN BUREAU OF SHIPPING, which inspects the vessel against its safety and structural rules. Vessels in the same class as SAM 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 SAM right now?+
SAM was last reported under way in the North Atlantic Ocean, within the US East Coast shipping lane, on 8 Sep 2026, 06:19 UTC. It was sailing from NEW LONDON to NEW LONDON with an ETA of 8 Sep 2026, 22:21 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for SAM?+
SAM broadcasts MMSI 367165570 and is registered as IMO 9173496, with call sign WDD5908. 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 SAM?+
SAM is classified as a tug vessel registered under the US 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 US flag list at /flag/us.
How can I see the live position of SAM?+
MarineRadar shows the latest AIS broadcast from SAM 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 SAM'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 SAM?+
SAM is classed by AMERICAN BUREAU OF SHIPPING, the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a tug, SAM 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. SAM has a gross tonnage of 366 GT.

SAM — Key Facts

MMSI
367165570
IMO number
9173496
Call sign
WDD5908
Vessel type
Tug
Flag state
US
Navigation status
Under way using engine
Current speed
0.5 knots
Course over ground
286.0°
Heading
342°
Last known position
41.2214°, -71.1056°
Destination
NEW LONDON
ETA
2026-09-08T22:21:00Z
Departure port
NEW LONDON
Actual time of departure
2026-09-06T20:54:00Z
Current draught
5.2 m
Maximum static draught
5.2 m
Year built
1997-01-01
Gross tonnage
366
Dead weight
369 t
AIS last updated
2026-09-08T06:19:00Z