Achelous-class repair ship

USS Pandemus (ARL-18), a typical Achelous-class vessel.
Class overview
Operators United States Navy
Built1943–1945
In commission1943–1971
Completed39
Active0
General characteristics
TypeRepair ship
Displacement
  • 1,781–2,220 tons
  • 3960-4,100 tons laden.
Length328 ft (100 m)
Beam50 ft (15 m)
Draft14 ft (4 m)
PropulsionDiesel engines, twin screws, 1,800 hp (1,300 kW)
Speed11.62 kn (21.5 km/h)
Complement255
Armament40 mm mounts, 20 mm mounts, numbers variable.

The Achelous-class repair ship was a class of ship built by the US Navy during World War II.

As the United States gained experience in amphibious operations, it was realized that some sort of mobile repair facility would be useful for repairing the damage that frequently occurred to smaller vessels such as LCVP's (Landing Craft Vehicle/Personnel). The Auxiliary Repair Light (ARL) ship was designed to meet this need, and the Achelous class was the only class to receive this designation.