USS SC-49, prior to July 1920 known as USS Submarine Chaser No. 49 and USS S.C. 49, was an SC-1-class submarine chaser built for the United States Navy during World War I. SC-49 was a wooden-hulled 110-foot (34 m) submarine chaser built at the New York Navy Yard in Brooklyn, New York, and was commissioned on 27 March 1918 as USS Submarine Chaser No. 49 , abbreviated at the time as USS S.C. 49. When the U.S. Navy adopted its modern hull number system on 17 July 1920, Submarine Chaser No. 49 was classified as SC-49 and her name was shortened to USS SC-49.