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NavSource Online: Mine Warfare Vessel Photo Archive

Grackle (MSC(O) 13)
ex-AMS-13
ex-YMS-312



Call sign:
November - Papa - Papa - Foxtrot


Grackle served the Navies of the United States and Brazil.
YMS-136 Class Auxiliary Motor Minesweeper: Laid down, 7 June 1943 by Henry B. Nevins Inc., City Island, NY; Launched, 9 November 1943; Completed, 4 December 1943; Commissioned as USS YMS-312, 6 December 1943; Named Grackle and reclassified as an Motor Minesweeper, AMS-13, 18 February 1947; Reclassified as a Coastal Minesweeper (Old), MSC(O)-13, 7 February 1955; Decommissioned, 11 October 1957 at Philadelphia, PA; Struck from the Naval Register, 1 March 1963; Transferred to the Government of Brazil 19 April 1963 under terms of the Military Assistance Program as Jurvena (M 14). Fate unknown.

Specifications: Displacement 270 t.; Length 136'; Beam 24' 6"; Draft 8'; Speed 13 kts; Complement 50; Armament one 3"/50 dual purpose gun mount; Propulsion two 880bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.

Click on thumbnail
for full size image		 Size Image Description Source
YMS-312
YMS-312 62k Launching
Courtesy of the City Island Nautical Museum		 Tom Nye
USS Grackle (MSC[O] 13)
Bluebird 95k USN Minecraft Base, Charleston, SC. View of Pier Baker from Ashley Riverw showing crowded mooring condition at pier.
U.S. Navy photo		 Robert Hall
View the YMS-312
DANFS history entry located on the Haze Gray & Underway web site
Additional Resources and Web Sites of Interest
Naval Minewarfare Association
Association of Minemen
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