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NavSource Online: Mine Warfare Vessel Photo Archive

HMS BYMS-2221
ex-HMS J-1021
ex-YMS-221


YMS-221 served the Navies of Great Britain and Greece.
YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 31 December 1942 as YMS-221 by J. N. Martinac Shipbuilding Co., Tacoma, WA
  • Launched 22 April 1943
  • Completed 16 September 1943, transferred to Great Britain and named HMS J-1021
  • Renamed HMS BYMS-2221
  • Struck from the Naval Register 28 August 1947
  • Transferred to the State Department, Foreign Liquidation Commission in January 1948
  • Returned to U.S. custody 12 February 1948, transferred to Greece and named Pigassos
  • Fate unknown.

    Specifications:

  • Displacement 270 t.
  • Length 136'
  • Beam 24' 6"
  • Draft 8'
  • Speed 15 kts.
  • Complement 32
  • Armament: One 3"/50 dual purpose gun mount, two 20mm mounts and two depth charg projectors
  • 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-221 119k c. June 1945
    Copenhagen, Denmark
    From the collection of Thomas Atherton Widnes    		 Dan Atherton
    YMS-221 150k Crew members names from back of above photo
    From the collection of Thomas Atherton Widnes
    There is no DANFS History currently available for YMS-221
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
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    This page created and maintained by Joseph M. Radigan (of blessed memory) & David Wright
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