SD Powerful

	RMAS Powerful at HMNB Portsmouth, 2006
History
United Kingdom
Name	RMAS Powerful (A223)
Builder	Richard Dunston
Launched	1985
In service	1985
Out of service	2008
Homeport	HMNB Portsmouth
Status	Transferred to Serco Marine Services
United Kingdom
Name	SD Powerful
In service	2008
Homeport	HMNB Devonport
Identification	IMO number: 8401482; MMSI number: 232002939; Callsign: GAAG;
Status	Active
General characteristics
Tonnage	384 GT
Length	38.8 m (127 ft 4 in)
Beam	9.42 m (30 ft 11 in)
Draught	4 m (13 ft 1 in)
Propulsion	Two diesels, two shafts, 2,640 bhp
Speed	12 kn (22 km/h; 14 mph)
Complement	5

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.^[1]

References

^ ^a ^b ^c ^d ^e ^f Bush, Steve (2014). British Warships and Auxiliaries. Maritime Books. p. 69. ISBN 978-1904459552.

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