USS Seneca III
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Seneca III SP-427

Seneca III

(SP-427: t. 157; 1. 150'; b. 20'; dr. 10'6" cpl. 33; a. 2 6-pdrs.); s. 18 k.;

Seneca (SP-427)—a steam yacht built in Boston Mass., in 1888—was acquired by the Navy from the Johnson Lighterage Co., on 7 May 1917, and commissioned on 18 July 1917, Boatswain Thomas Winant, USNRF, in command.

Seneca (later known simply as SP-427) served as a section minesweeper based at Tomkinsville, Staten Island, N.Y. during World War I. The ship was decommissioned] on 2 January 1919; her name was struck from the Navy list on 6 January 1919; and she was returned to her owner the same day.