A tribe of Canadian Indians.
(YTB‑507: dp. 218; l. 100'; b. 28'; dr. 9'7"; s. 12 k.; cl. Cholocco)
Mimac (YTB‑507) was laid down 4 January 1945 by Commercial Iron Works, Portland, Oreg.; launched 17 May 1945; and placed in service 17 July 1945.
Assigned to the 13th Naval District, headquartered at Seattle, Mimac has served into 1960 assisting larger vessels in berthing and docking, and providing towing services and waterfront firefighting protection. She was reclassified YTM‑770 on 1 April 1966.