Ormsby Class, U.S. Attack Transports (original) (raw)

Tonnage

13,910 tons fully loaded

Dimensions

459'3" by 63' by 24'
140m by 19.2m by 7.3m

Maximum speed

17 knots

Complement

511 crew
1563 passengers

Armament

2 5"/38 dual purpose guns
2x4 1.1" AA guns
12 20mm Oerlikon AA guns

Machinery

1-shaft General Electric geared turbine (6000 shp)
2 Foster-Wheeler D-type boilers

Bunkerage

1240 tons fuel oil
29,274 gallons landing craft fuel

Range

12,000 nautical miles (22,000 km) at 15.5 knots

Dry cargo

2700 tons
150,000 cubic feet (4200 cubic meters)

Modifications

Light antiaircraft eventually upgraded to 4x2 40mm Bofors AA guns and 12x2 20mm guns.

The Ormsbys werew Maritime Commissionstandard C2 cargo shipsconverted to attack transports (and given standard designation C2-S-B1.) Each was equipped with with three pairs of Welin davits for 26 LCVPs and two LCMs. None were lost in the Pacifiic.