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USS Bonita (SP-540)
USS Bonita (SP-540)
USS Bonita (SP-540) ca. June 1917.
Career (United States) US flag 48 stars.svg
Name: USS Bonita
Namesake: Previous name retained
Builder: Holmes Motor Company, Mystic, Connecticut
Acquired: 17 May 1917
Commissioned: 1917
Struck: 18 December 1918
Fate: Sunk in collision 26 November 1918
Notes: Operated as private pleasure craft Bonita until 1917
General characteristics
Type: Patrol vessel
Length: 46 ft (14 m)
Beam: 10 ft (3.0 m)
Draft: 3 ft 6 in (1.07 m) forward
Speed: 12 miles per hour[1]
Complement: 4
Armament: 1 x 1-pounder gun
1 x machine gun

The second USS Bonita (SP-540) was a United States Navy patrol vessel commissioned in 1917 and sunk in 1918.

Bonita was built as a private pleasure craft by the Holmes Motor Company at Mystic, Connecticut. On 17 May 1917, the U.S. Navy acquired her from her owner, Mr. Robert Windsor of Boston, Massachusetts, for use as a section patrol vessel during World War I. She was commissioned as USS Bonita (SP-540) soon thereafter. Assigned to the 1st Naval District, Bonita operated on patrol duties in Boston Harbor for the rest of World War I. Before dawn on 26 November 1918, Bonita collided with the fishing schooner Russell and sank. Repeated efforts to locate Bonita's wreck proved unsuccessful, and she was stricken from the Navy List on 18 December 1918.


  1. The Dictionary of American Naval Fighting Ships at gives Bonita's speed as 12 miles per hour, implying statute miles per hour, an usual unit of measure for the speed of a watercraft. It is possible that her speed actually was 12 knots. If 12 statute miles per hour is accurate, the equivalent in knots is 10.4.


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