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NavSource Online: Mine Warfare Vessel Photo Archive
YMS-242
Harkness (AGS / AGSC 12)
(AMCU / MHC 12)

AMCU-12 call sign:
November - Charlie - Whiskey - Bravo
YMS-1 Class Auxiliary Motor Minesweeper / Harkness Class Coastal Minesweeper (Underwater Locator): Laid down, 1 June 1942 by the Tacoma Boat Building Co., Tacoma, WA; Launched, 10 October 1942; Completed and commissioned as USS YMS-242, 27 March 1943; Converted to a Survey Ship AGS-12, 20 March 1945 at South Coast Shipbuilding Co., Newport Beach, CA; Named Harkness, 24 March 1945; Reclassified as a Coastal Survey Ship AGSc-12, 29 July 1946; Decommissioned, 22 September 1950 at New York; Converted to a Coastal Minesweeper (Underwater Locator), AMCU-12, 18 August 1951 at New York Naval Shipyard, Brooklyn, NY; Recommissioned, 5 September 1951; Reclassified a Coastal Minehunter MHC-12, 1 February 1955; Decommissioned, 2 April 1958 at Green Cove Springs, FL; Struck from the Naval Register, 1 November 1959; Sold at public auction, 1960. Fate unknown.
Specifications: Displacement 265 t.; Length 136'; Beam 23' 4"; Draft 8' 7"; Speed 14 kts; Complement 60 (AMCU-12 complement 34); Armament, one single 3"/50 gun mount, two 20mm, two dct, two dcp (AMCU-12 armament one 3"/50 mount and one 40-mm); Propulsion, two 1,000shp General Motors diesels, two shafts.
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Harkness (AGS 12) |
Office of the Oceanographer of the Navy |
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107k |
In forground at the Brooklyn Navy Yard is Simon Newcomb (AGS 14), Harkness (AGS 12), and James M. Gillis (AGS 13). Astern is the "mother ship" Tanner (AGS 15). LST-664 is moored at another pier with an unidentified LST outboard. |
George W. Desharnais |
View the Harkness (AGS 12)
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