Powhatan-class tugboat

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USNS Powhatan (T-ATF-166).jpg
USNS Powhatan (T-ATF-166) at sea, 16 April 1981.
Class overview
Name: Powhatan class
Builders: Marinette Marine Corporation
Preceded by: Abnaki-class fleet ocean tug
Cost: 11.5–17.6 million USD (1980)
Built: 1976–1981
In service: 1979-1981
In commission: 1979–present
Planned: 7
Completed: 7
Active: 6
Laid up: 1
General characteristics
Type: Fleet ocean tug
  • 1,387 long tons (1,409 t) light
  • 2,000 long tons (2,032 t) full
Length: 226 ft (69 m)
Beam: 42 ft (13 m)
Draft: 15 ft (4.6 m)
Installed power: (4,280 hp (3,190 kW) sustained
Propulsion: 2 × General Motors EMD 20-645F7B diesel engines, two shafts; bow thruster, 300 hp (224 kW)
Speed: 14.5 knots (26.9 km/h; 16.7 mph)
Complement: 16 civilians plus 4 U.S. Navy personnel (communications unit)

The Powhatan class of fleet ocean tugs consists of seven ships built for the United States Navy, operated by the Military Sealift Command by primarily civilian crews with the USNS designation. As of 2014, four ships are still active with the MSC.

Ships in class[edit]