NAVYPEDIA

Photo

Shawmut 1920

Ships

No	Name	Yard No	Builder	Laid down	Launched	Comm	Fate
ID1256, 2.1920- CM3	Aroostook (ex-Bunker Hill)	343	Cramp, Philadelphia		26.3.1907	1907 // 7.12.1917	cargo ship AK44 5.1941
ID1255, 2.1920- CM4	Massachusetts, 1.1918- Shawmut, 1.1928- Oglala	342	Cramp, Philadelphia		1907	1907 // 7.12.1917	sunk 7.12.1941

Technical data

Displacement standard, t	3746
Displacement full, t	4200
Length, m	117.7 wl 120.4 oa
Breadth, m	15.9
Draught, m	4.90
No of shafts	2
Machinery	2 VTE, 8 single-side boilers
Power, h. p.	7000
Max speed, kts	20
Fuel, t	coal 400 + oil 160
Endurance, nm(kts)	3800 (10)
Armament	1 x 1 - 127/51 Mk VIII, 2 x 1 - 76/52 Mk X, 2 x 1 - 7.6/90, 300 mines
Complement	314

Standard scale images

Graphics

Project history

Former passenger liners of Eastern Steamship Co. In 1917 they were gained by Navy and converted to minelayers.

Modernizations

by 1941, both: - 1 x 1 - 127/51, 2 x 1 - 7.6/90; + 3 x 1 - 76/50 Mk 10.18, 4 x 1 - 12.7/90.

Naval service

Both vessels served as tenders for trans-Atlantic passenger seaplanes between the wars. Aroostook served as aviation tender on Pacific in 1920-1923. 7.12.1941 Oglala was sunk in Pearl Harbour by Japanese aircraft, in 1942 she was salvaged and commissioned again in May 1943 as internal combustion engines repair ship ARG1 with armament consisted of 1 x 1 - 127/51, 4 x 1 - 76/50, 4 x 1 - 40/56 and 8 x 1 - 20/70 guns.