home

fighting ships of the world

UNITED STATES OF AMERICA

MINE WARFARE SHIPS

SHAWMUT minelayers (1907/1917)

Oglala 1941

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

 

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

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.

Shawmut 1920

© Ivan Gogin, 2014