What kind of ship is SD Powerful?

SD Powerful is a tug sailing under the flag of United Kingdom, built in 1985 by Richard Dunston. The vessel is 38 m long and has a gross tonnage of 384.

What sanctions and inspection records does Voydar hold for SD Powerful?

Voydar has no matched sanctions record displayed for SD Powerful from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SD Powerful. Missing records do not establish whether the ship has been detained.

SD Powerful

Tug · United Kingdom · built 1985 · AIS Class A

IMO8401482MMSI232002939Call signGAAGLast AIS position Sep 23, 2026, 04:56 UTC

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In short

SD Powerful (Tug, United Kingdom flag) was last seen on AIS on Sep 23, 2026, 04:56 UTC, not moving, near Plymouth (English Channel). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is PLYMOUTH; its reported draught is 4.2 m (voyage report via AISstream.io global terrestrial AIS, received Sep 23, 2026, 04:49 UTC).

Vessel type: Tug
Flag: United Kingdom
Year built: 1985
Gross tonnage: 384
Size (length × beam): 38 m
Registered owner: —

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Photo of SD Powerful — Photo: Dashers · Licence: Public domain · via Wikimedia Commons

Last reported position

received Sep 23, 2026, 04:56 UTC

Position: 50.3839° N, 4.1841° W
Area: English Channel
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 0 kn
Course: 77°
Heading: 171°

50.3839° N, 4.1841° W

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Voydar detected no port call in the last 30 days.

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name: SD Powerful
IMO numberWhat is an IMO number?: 8401482
MMSIWhat is an MMSI?: 232002939
Call signWhat is a call sign?: GAAG
Flag: United Kingdom
Vessel type: Tug
Gross tonnageGross tonnage vs deadweight: 384
Length overall: 38 m
Beam: —
Year built: 1985

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

Builder: Richard Dunston
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

About SD Powerful

SD Powerful is a Twin Tractor Unit Tug operated by Serco Marine Services in support of the United Kingdom's Naval Service. The tug, built in 1985, was formerly operated by the Royal Maritime Auxiliary Service until its disbandment in March 2008.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is SD Powerful now?: SD Powerful (Tug, United Kingdom flag) was last seen on AIS on Sep 23, 2026, 04:56 UTC, not moving, near Plymouth (English Channel). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was PLYMOUTH (voyage report via AISstream.io global terrestrial AIS, received Sep 23, 2026, 04:49 UTC). This report does not confirm the ship’s current route.
What kind of ship is SD Powerful?: SD Powerful is a tug sailing under the flag of United Kingdom, built in 1985 by Richard Dunston. The vessel is 38 m long and has a gross tonnage of 384.
What sanctions and inspection records does Voydar hold for SD Powerful?: Voydar has no matched sanctions record displayed for SD Powerful from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SD Powerful. Missing records do not establish whether the ship has been detained.

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