Crater class cargo ship

USS Livingston (AK-222)
Class overview
Operators:	United States Navy
Built:	1942–1944
In commission:	1942–1948
Completed:	63
General characteristics
Type:	Cargo ship
Displacement:	4,023 long tons (4,088 t) light 11,565 long tons (11,751 t) full
Length:	441 ft 6 in (134.57 m)
Beam:	57 ft (17 m)
Draft:	30 ft (9.1 m)
Propulsion:	Single-shaft, reciprocating engine, 1,950 hp (1,454 kW)
Speed:	11.5 knots (13.2 mph; 21.3 km/h)
Complement:	206
Armament:	• 1 × 5"/38 caliber gun • 1 × 3"/50 caliber gun • 2 × 40 mm guns • 6 × 20 mm guns or • 1 × 5"/38 caliber gun • 4 × 40 mm guns • 12 × 20 mm guns

Crater-class cargo ship is a category of freighter that was constructed for use by the United States Navy during World War II under Maritime Commission EC2-S-C1 type.

The class was named for the lead ship of its type, the USS Crater (AK-70). There were a total of 62 ships of this class built, the largest count of U.S. Navy cargo ship classes.

The ships were propelled by a reciprocating steam engine using a single screw with a power of 1,950 hp (1,454 kW) shaft.

External links

• AK — Cargo Ships—Ships of the U.S. Navy, 1940-1945.