277 or S.C.-277, was an SC-1-class submarine chaser built for the United States Navy during World War I.

[1] While at Ponta Delgada, Azores, SC-277 received a repair party from destroyer tender Bridgeport on or after 30 April 1918.

[2] On 17 July 1920 SC-277 received, as part of the new U.S. Navy letter-number scheme, the hull designation of PC-277.

[1] SC-277 was decommissioned on 15 June 1922 and sold on 25 September 1922 to M. Levin & Sons of San Francisco, California.

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