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NavSource Online:
Section Patrol Craft Photo Archive

Siwash (SP 12)


Siwash served both the U. S. Navy and the Department of Commerce

Motorboat:

  • Built in 1916 by the Gas Engine and Power Co., Morris Heights, NY
  • Acquired by the Navy 10 June 1917
  • Delivered 10 June 1917
  • Commissioned 18 August 1917
  • Decommissioned 10 May 1919
  • Transferred to the Department of Commerce 16 June 1919
  • Fate unknown.

    Specifications:

  • Displacement 56 t.
  • Length 78'
  • Beam 14' 9"
  • Draft 4' 1"
  • Speed 13 kts.
  • Complement 15
  • Armament: One 1-pounder and one machine gun
  • Propulsion: Two 100hp 6-cylinder Speedway gasoline engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Siwash 112k Underway prior to her World War I Navy service
    Photographed by Morris Rosenfeld, New York
    U.S. Navy photo NH 102220
    Naval Historical Center
    Siwash 92k Underway prior to her World War I Navy service
    U.S. Navy photo NH 102221
    Siwash 75k

    Commanding Officers
    01LTJG Frederick P. Burt, USNRF1918 - 1919
    Courtesy Joe Radigan

    View the Siwash (SP 12)
    DANFS history entry located on the Naval History and Heritage Command website
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