USS SC-27

Submarine Chaser No. 27 on 1 July 1918.
History
United States
Name	USS Submarine Chaser No. 27 (1917-1919) USS SC-27 (retrospectively since 1920)
Builder	New York Navy Yard, Brooklyn, New York
Commissioned	8 November 1917
Fate	Transferred to U.S. Coast Guard 13[1] or 14[2] November 1919
United States
Name	USCGC Richards
Namesake	A crew member of the Coast Guard Cutter USCGC Tampa killed in her sinking in 1918
Acquired	13[3] or 14[2] November 1919
Fate	Sold 29 January 1923
General characteristics
Class and type	SC-1-class submarine chaser
Displacement	77 tons normal 85 tons full load
Length	110 ft (34 m) overall 105 ft (32 m) between perpendiculars
Beam	14 ft 9 in (4.50 m)
Draft	5 ft 7 in (1.70 m) normal 6 ft 6 in (1.98 m) full load
Propulsion	Three 220 bhp (160 kW) Standard Motor Construction Company six-cylinder gasoline engines, three shafts, 2,400 US gallons (9,100 L) of gasoline; one Standard Motor Construction Company two-cylinder gasoline-powered auxiliary engine
Speed	18 knots (33 km/h)
Range	1,000 nautical miles (1,900 km) at 10 knots (19 km/h)
Complement	27 (2 officers, 25 enlisted men)
Sensors and processing systems	One Submarine Signal Company S.C. C Tube, M.B. Tube, or K Tube hydrophone
Armament	1 × 3-inch (76.2 mm)/23-caliber gun mount[4] 2 × Colt .30 caliber (7.62 mm) machine guns 1 × Y-gun depth charge projector

USS SC-27, during her service life known as USS Submarine Chaser No. 27 or USS S.C. 27, was an SC-1-class submarine chaser built for the United States Navy during World War I. She later served in the United States Coast Guard as USCGC Richards.