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T-AOT 181 Potomac

T-AOT 181 Potomac is an offshore petroleum discharge system, or OPDS, tanker. Potomac can support any logistics over the shore operation with 173,000 barrels of JP-5 fuel delivered through its integral OPDS system. Potomac was the first OPDS tanker delivered, and as such, has the prototype OPDS system equipment installed. The tanker is 620 feet long, 84 feet wide and has a deadweight tonnage of 27,467 long tons. Potomac was prepositioned in Diego Garcia. SS Potomac was built in 1957 by Sun Shipbuilding and assigned to the Afloat Prepositioning Force in 1991. The ship is operated by Bay Ship Management and owned by MARAD. The RRF vessel SS Chesapeake activated and replaced SS Potomac in 2000.


Power Plant steam turbine
1 propellers:
Length Overall Length: 620 ft
Waterline Length: 600 ft
Beam Extreme Beam: 84 ft
Waterline Beam: 84 ft
Draft Maximum Navigational Draft: 35 ft
Draft Limit: 35 ft
Displacement Light Displacement: 7333 tons
Full Displacement: 34800 tons
Dead Weight: 27467 tons
Speed 15 knots


Name Number Builder Homeport Ordered Commissioned Decommissioned
Potomac T-AOT 181 Sun SBDiego Garcia01 Jan 195701 Dec 1964

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Maintained by Robert Sherman
Originally created by John Pike
Updated Thursday, October 19, 2000 6:13:29 AM