Powhatan-class tugboat

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USNS Powhatan (T-ATF-166) at sea, 16 April 1981.
Class overview
Name	Powhatan class
Builders	Marinette Marine Corporation
Operators	Military Sealift Command Turkish Naval Forces
Preceded by	Abnaki-class fleet ocean tug
Succeeded by	Navajo-class salvage and rescue ship
Cost	11.5–17.6 million USD (1980)
Built	1976–1981
In service	1979–1981
In commission	1979–present
Planned	7
Completed	7
Active	2
Retired	5
General characteristics
Type	Fleet ocean tug
Displacement	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 2020, three ships are still active with the MSC.

Ships in class[]

• USNS Powhatan (T-ATF-166), in service 1979-1999, sold to Turkey in 2008 as TCG Inebolu (A-590)
• USNS Narragansett (T-ATF-167), in service 1979-1999, then leased to commercial service
• USNS Catawba (T-ATF-168), in service 1980-present
• USNS Navajo (T-ATF-169), in service 1980-2016
• USNS Mohawk (T-ATF-170), in service 1980-2005, then added to the Inactive Reserve Fleet at Philadelphia, Pennsylvania
• USNS Sioux (T-ATF-171), in service 1981-2021, inactivated on September 30th 2021^[1]
• USNS Apache (T-ATF-172), in service 1981–present, to be retired on June 30th 2022^[2]

References[]

• This article includes information collected from the Naval Vessel Register, which, as a U.S. government publication, is in the public domain.