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NavSource Online: Mine Warfare Vessel Photo Archive

Cormorant (AT[O] 133)



Call sign:
Nan - Yoke - Zebra - Baker

ex-AT-133
ex-AM-40
ex-Minesweeper No. 40

Lapwing Class Minesweeper: Laid down 4 September 1918 by the Todd Shipbuilding Corp., New York, NY; Launched, 5 February 1919; Commissioned USS Coromorant, Minesweeper No. 40, 15 May 1919; Designated AM-40, 17 July 1920; Reclassified as a Fleet Tug, AT-133, 1 June 1942; Reclassified as a Fleet Tug (Old), AT(O)-133, 15 May 1944; Decommissioned, 29 March 1946 at San Pedro, CA; Sold, 8 January 1947. Fate unknown.

AM-40 Specifications: Displacement 950 t.; Length 187' 10"; Beam 35' 6"; Draft 9' 9"; Speed 14 kts; Complement 72; Armament two 3"/50; Propulsion triple expansion reciprocating steam engine, two Babcock and Wilcox boilers, one shaft.

AT(O) 133 Specifications: Displacement 1,350 t.; Length 187' 10"; Beam 35' 6"; Draft 13' 1"; Speed 11.5 kts.; Complement 75; Armament two 3"/50 dual purpose mounts; Propulsion two 200psi saturated steam Babcock and Wilcox header boilers, one 1,400shp Harlan and Hollingsworth vertical triple expansion reciprocating steam engine, one shaft.

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for full size image		 Size Image Description Source
Cormorant 30k 12 February 1942 Hyperwar U.S. Navy in WWII
View the Cormorant (AM-40)
DANFS history entry located on the Haze Gray & Underway web site.
Additional Resources and Web Sites of Interest
Naval Minewarfare Association
Association of Minemen
National Association of Fleet Tug Sailors

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