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Ormsby Class, U.S. Attack Transports


Photograph of USS Ormsby

Mare Island #5243-43. Via NavSource.Org

Specifications:

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 Commission standard C2 cargo ships converted 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.

Units in the Pacific

Ormsby    
Completed 1943-6-28 (San Francisco)
Pierce
Completed 1943-6-30 (San Francisco)
Sheridan     
Completed 1943-7-31 (San Francisco)

References

DANFS

Friedman (2002)
Lane (1951)

NavSource.Org (accessed 2009-2-9)


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