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F-1 in a West Coast harbor
United States
NameUSS F-1
Laid down23 August 1909, as USS Carp
Launched6 September 1911
Sponsored byMs. J. Tynan
Commissioned19 June 1912
RenamedUSS F-1, 17 November 1911
FateSunk by collision, 17 December 1917
General characteristics
Class and typeF-class submarine
Displacement330 long tons (340 t)
Length142 ft 7 in (43.46 m)
Beam15 ft 5 in (4.70 m)
Draft12 ft 2 in (3.71 m)
Speed14 kn (16 mph; 26 km/h)
Complement22 officers and enlisted
Armament4 × 18 inch (450 mm) torpedo tubes

USS F-1 (SS-20) was an F-class submarine. She was named Carp when her keel was laid down by Union Iron Works of San Francisco, California, making her the first ship of the United States Navy named for the carp. She was launched on 6 September 1911 sponsored by Ms. J. Tynan, renamed F-1 on 17 November 1911, and commissioned on 19 June 1912.

Service history[edit]

Assigned to the First Submarine Group, Pacific Torpedo Flotilla, F-1 operated in the San Francisco, California area on trials and tests through 11 January 1913, when she joined the flotilla for training at sea between San Diego, California and San Pedro Submarine Base, San Pedro, California, then in San Diego Harbor.

F-1 beached in late 1912 after slipping her mooring

In late 1912, the boat — which then held the world's deep diving record, descending to 283 ft (86 m) — slipped her mooring at Port Watsonville in Monterey Bay, California, and grounded on a nearby beach. While most of the crew of 17 safely evacuated, two men died in the incident.[1]

From 21 July 1914 to 14 November 1915, the flotilla was based at Honolulu, Hawaii's Naval Submarine Base Pearl Harbor for development operations in the Hawaiian Islands.

F-1 was in ordinary from 15 March 1916 to 13 June 1917. When she returned to full commission, she served with the Patrol Force, Pacific, making surface and submerged runs to continue her part in the development of submarine tactics. Her base during this time was San Pedro, California. On 17 December 1917, while maneuvering in exercises off Point Loma, San Diego, California, F-1 and F-3 collided, the former sinking in ten seconds, her port side torn forward of the engine room.[2] Nineteen of her men were lost; the remaining three were rescued by the submarines with which she was operating.[2]

Plans for the F-class submarines of the US Navy


  1. ^ "Submarine Wrecked in Surf". Popular Mechanics Magazine. January 1913. Retrieved 6 February 2009.
  2. ^ a b Linder, Bruce (2001). San Diego's Navy. Annapolis, Maryland: Naval Institute Press. p. 63. ISBN 1-55750-531-4.


External links[edit]