Uncas III (S. P. 689)
1917-1918
The Navy retained the name carried by this craft at the time of her acquisition, but deleted it to avoid confusion with the tug of the same name.
(S. P. 689: tonnage 13 (gross register); length 60'0"; beam 10'0"; draft 2'0" (mean); speed 20.0 knots; complement 8; armament 1 .30-caliber machine gun)
The third Uncas, a twin-screw wooden-hulled motor boat built in 1917 at Greenport, Long Island, N.Y., by the Greenport Basin & Construction Co., was acquired by the Navy from Charles L. Poor of New York City, on 28 June 1917, for use during the Great War [World War I] as a section patrol boat.
Assigned to the Third Naval District and given the designation S. P. 689, the motor boat operated as S. P. 689 since the tug named Uncas was already on the Navy Register. S. P. 689 conducted local patrol operations out of Section Base No. 6 at Bath Beach, N.Y., for the duration of hostilities. She was returned to her owner on 31 December 1918.
Updated, Robert J. Cressman
13 February 2024
