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.

SC-27 was a wooden-hulled 110-foot (34 m) submarine chaser built at the New York Navy Yard at Brooklyn, New York. She was commissioned on 8 November 1917 as USS Submarine Chaser No. 27, abbreviated at the time as USS S.C. 27.

This section needs expansion with: SC-27's operational history from November 1917 to November 1919. You can help by adding to it. (February 2011)

Submarine Chaser No. 27 was transferred to the U.S. Coast Guard on 13^[3] or 14^[5] November 1919 at Norfolk, Virginia.

The U.S. Navy adopted its modern hull number system on 17 July 1920, after Submarine Chaser No. 27 had left Navy service. Had she remained in Navy service at that date, she would have been classified as SC-27 and her name would have been shortened to USS SC-27, and she now is referred to retrospectively by this name.

The Coast Guard commissioned the submarine chaser as USCGC Richards. As of 1 January 1923 she was based at South Baltimore, Maryland.

This section needs expansion with: USCGC Richards' operational history from November 1919 to January 1923. You can help by adding to it. (February 2011)

The Coast Guard found Richards, like other SC-1-class submarine chasers, too expensive to operate and maintain, and sold her on 29 January 1923.

•  This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.
• NavSource Online: Submarine Chaser Photo Archive: USCGC Richards ex-USS SC-27
• The Subchaser Archives: The History of U.S. Submarine Chasers in the Great War Hull number: SC-27
• United States Coast Guard Historian's Office: Cutters and Craft: Richards, 1919 ex-SC-27
• Woofenden, Todd A. Hunters of the Steel Sharks: The Submarine Chasers of World War I. Bowdoinham, Maine: Signal Light Books, 2006. ISBN 978-0-9789192-0-7.

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