.jpg) USNS Powhatan (T-ATF-166) at sea, 16 April 1981.
| |
| Class overview | |
|---|---|
| Name | Powhatan class |
| Builders | Marinette Marine Corporation |
| Operators |
|
| 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 |
| Completed | 7 |
| Active | 1 |
| General characteristics | |
| Type | Fleet ocean tug |
| Displacement | 2,260 long tons (2,296 t) full load |
| 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 | 15 knots (28 km/h; 17 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, and operated by the Military Sealift Command (MSC). The lead ship of the class was launched in 1978 and the last ship in MSC service will be deactivated in 2023. During their service life, the Powhatan's were the most powerful tugs owned by the Navy.