USS Livingston (AK-222)
Class overview
Operators United States Navy
Built19421944
In commission19421948
Completed65
General characteristics
TypeCargo ship
Displacement
  • 4,023 long tons (4,088 t) (standard)
  • 14,550 long tons (14,780 t) (full load)
Length441 ft 6 in (134.57 m)
Beam56 ft 11 in (17.35 m)
Draft28 ft 4 in (8.64 m)
Installed power
  • 2 × Oil fired 450 °F (232 °C) boilers, operating at 220 psi (1,500 kPa) ,
  • 2,500 shp (1,900 kW)
Propulsion
Speed12.5 kn (23.2 km/h; 14.4 mph)
Capacity
  • 7,800 t (7,700 long tons) DWT
  • 444,206 cu ft (12,578.5 m3) (non-refrigerated)
Complement206
Armament

The Crater-class cargo ship were converted EC2-S-C1 type, Liberty cargo ships, constructed by the United States Maritime Commission (USMC) for use by the US Navy during World War II.[1] The designation 'EC2-S-C1': 'EC' for Emergency Cargo, '2' for a ship between 400 and 450 ft (120 and 140 m) long (Load Waterline Length), 'S' for steam engines, and 'C1' for design C1. [2]

The class was named for the lead ship of its type, USS Crater (AK-70), with most ships in the class being named for astronomical bodies. Its 65 hulls were among the largest US Navy cargo ship classes.

The ships were propelled by a reciprocating steam engine using a single screw with a power of 2,500 hp (1,864 kW) shaft.

Notable incidents

References

  1. "Crater Class, U.S. Cargo Ships". The Pacific War Online Encyclopedia. Retrieved April 15, 2014.
  2. Colton, Tim. "Ship Design Codes used by the U.S. Maritime Commission". Retrieved 3 August 2021.
  3. navsource.org USS Aludra
  4. navsource.org USS Deimos (AK-78)
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