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Andromeda Class, U.S. Attack Cargo Ships


Photograph of Andromeda-class attack cargo ship

U.S. Navy photo from pub. ONI-54 A

Schematic diagram of Andromeda class cargo ship

ONI 222


Specifications:


Displacement

6556 tons light displacement

Dimensions

459' by 63' by 26'
139.9m by 19.2m by 7.9m

Maximum speed      

16.5 knots

Complement

404

Armament

1 5"/38 dual-purpose gun
4 3"/50 AA guns
12 20mm Oerlikon AA guns
Machinery
1-shaft General Electric geared turbine (6000 shp)
2 Combustion Engineering D-type boilers
Bunkerage
1680 tons fuel oil
20,000 gallons (76,000 liters) diesel fuel for landing craft

Cargo

393,160 cubic feet (11,133 m3)
4895 deadweight tons
Passengers
174 officers and men
Modifications
By the end of the war, the 3"/50s had been replaced by 4x2 40mm Bofors AA guns

The Andromedas were completed in 1943-45. They were Maritime Commission standard C2-S-B1 hulls armed and manned by Navy crews for landing cargo on the beach during amphibious assaults. They carried 1 LCP(L), 8 LCM(3), and 15-16 LCVP landing craft for transporting their cargoes ashore. They were equipped with a 12,000 gallon (45,000 liter) per day distilling plant and with 4 35-ton, 2 10-ton, and 4 5-ton booms.


Units in the Pacific:

Thuban

arrived 1943-7-6

Virgo

arrived 1943-8-31 Conducted the first successful experiments in underway replenishment of general stores during the Iwo Jima campaign

Aquarius

arrived 1943-10

Centaurus

arrived 1943-12
Arneb
completed 1944-4-28 (Portland)
Alshain
arrived 1944-5-13

Capricornus     
completed 1944-5-31 (Portland)
Algol
completed 1944-7-21 (Portland)

Chara
arrived 1944-7-29

Uvalde

completed 1944-8-18 (Oakland)
Diphda
arrived 1944-8-22

Warrick

completed 1944-8-30 (Oakland)

Whiteside

completed 1944-9-11 (Oakland)

Whitley

completed 1944-9-21 (Oakland)

Wyandot

completed 1944-9-30 (Oakland)

Yancey

completed 1944-10-11 (Oakland)      

Leo

arrived 1944-10-20

Cepheus

arrived 1944-12
Achernar
arrived 1944-12-25

Andromeda      

arrived 1945-1

Theenim

arrived 1945-1-3

Sheliak

arrived 1945-1-10

Winston

arrived 1945-3-7

Ottawa

arrived 1945-3-18

Mathews

arrived 1945-5-15

Merrick

arrived 1945-5-22

Montague

arrived 1945-5-25


References

Friedman (2002)

Morison (1959)

NavSource.Org (accessed 2007-4-27)



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