USS Siwash (SP-12)

Siwash in 1916-1917, prior to her U.S. Navy service
Career (United States)
Name: USS Siwash
Namesake: Previous name retained
Builder: Gas Engine and Power Company, Morris Heights, New York
Completed: 1916
Acquired: 18 June 1917
Commissioned: 18 August 1917
Decommissioned: 10 May 1919
Fate: Transferred to U.S. Department of Commerce 16 June 1919
Notes: Operated as private motorboat Siwash 1916-1917
General characteristics
Type:Patrol vessel
Tonnage:56 tons
Length:78 ft (24 m)
Beam:14 ft 9 in (4.50 m)
Draft:4 ft 1 in (1.24 m)
Speed:13 knots
Complement:15
Armament:1 x 1-pounder gun
1 x machine gun

USS Siwash (SP-12) was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.

Siwash was built in 1916 by the Gas Engine and Power Company at Morris Heights, New York, as a private motorboat of the same name. The U.S. Navy acquired her from her owner, C. A. Schieren of New York City, on 18 June 1917 for World War I service. She was commissioned as USS Siwash (SP-12) on 18 August 1917.

Siwash patrolled in the 3rd Naval District in the New York City area until decommissioned on 10 May 1919. She was transferred to the United States Department of Commerce on 16 June 1919.

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