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ARTHUR MIDDLETON amphibious personnel transports (1941 - 1942)


Samuel Chase


No Name Yard No Builder Laid down Launched Comm Fate
AP55, 2.1943- APA25 Arthur Middleton (ex-African Comet) 265 Ingalls, Pascagoula // Bethlehem, San Francisco 7.1940 28.6.1941 9.1942 stricken 10.1958
AP56, 2.1943- APA26 Samuel Chase (ex-African Meteor) 266 Ingalls, Pascagoula 8.1940 25.8.1941 6.1942 stricken 10.1958
AP57, 2.1943- APA27 George Clymer (ex-African Planet) 267 Ingalls, Pascagoula 10.1940 27.9.1941 6.1942 stricken 1967

Technical data

Displacement standard, t10812 - 11760
Displacement full, t


Length, m


Breadth, m


Draught, m


No of shafts1

General Electric geared steam turbine, 2 Foster Wheeler boilers

Power, h. p.8500
Max speed, kts


Fuel, t

oil 1392

Endurance, nm(kts)11000(15)

1 x 1 - 127/38 Mk 12, 4 x 1 - 76/50 Mk 20, 8 x 1 - 20/70 Oerlikon, 4 x 1 - 12.7/90

Military load

22 LCVP, 2 - 4 LCM(3), cargo, 1304 troops

by 1945: 4 LCM(6), 18 LCVP, 3 LCPL, 2 LCPR, 2700t of cargo, 1240 marines

Electronic equipmentprobably SC or SF or SL radar

Standard scale images

<i>George Clymer </i>1963
George Clymer 1963
<i>George Clymer </i>1950s
George Clymer 1950s


<i>Samuel Chase</i>
Samuel Chase

Project history

USN military transport vessels were sectioned into two groups: АР for transportation of troops and АК for carriage of goods and technics. The majority of them were built on the basis of standard types С2, С3 and С4 and differed from usual cargo ships a little.

For delivery of troops and cargoes directly to a beaching place assault landing transport ships (АРА and АКА) served, which main difference from АК and АР consisted that they were extra equipped with disembarkation craft of LCVP, LCM and LCP (L) types; with their help delivery of people and cargoes to beach also was effected.

Originally similar ships were not outlined in own subclass and were registered as АР and АК. In February, 1943 reorganisation was done and assault transports have received indexation АРА and АКА.

Two ships of Doyen class, projected even on the eve of war for landing operations in Caribbean basin, became the first American assault military transports. The overwhelming majority of remaining АРА and АКА has been converted from merchant cargo and cargo-passenger vessels or constructed in hulls of standard cargo vessels built by the big series in days of war. An exception were specially projected as assault transports Gilliam (АРА) and Artemis (АКА) classes.

Besides the large landing transport ships of АРА and АКА classes, small landing parties and subversive groups were landed by fast landing transports (APD) converted from become outdated Wickes and Clemson classes destroyers and destroyer escorts of Buckley and Rudderow classes.

Arthur Middleton class transports were built in standard C3-P type hulls.


by 1945 ships were armed with 1 x 1 - 127/38 Mk 12, 4 x 1 - 76/50 Mk 20, 2 x 2 - 40/56 Mk 1.2, 10 x 1 - 20/70 Mk 4, SC or SF or SL or SN or SO or SU radar

1/1946: 1 x 1 - 127/38 Mk 30, 4 x 1 - 76/50 Mk 20/21, 2 x 2 - 40/60 Mk 1, 10 x 1 - 20/70 Mk 10, SC or SF or SL or SN or SO or SU radar

Naval service

No significant events.