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NavSource Online: Mine Warfare Vessel Photo Archive

ex-HMS J-833

BYMS-2033 served the Navies of Great Britain and Greece.

BYMS-1 Class Motor Minesweeper:

  • Laid down 1 June 1942 as BYMS-33 by American Car and Foundry Co., Wilmington, DE
  • Launched 6 January 1943
  • Completed 1 June 1943
  • Transferred to Great Britain 3 June 1943 and named HMS J-833
  • Renamed HMS BYMS-2033
  • Returned to U.S. custody 1 January 1946 and loaned to Greece as Kalymnos (M 201)
  • Transferred permanently to Greece 22 July 1952
  • Struck from the Naval Register in 1973
  • Fate unknown.


  • 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 charge projectors
  • Propulsion: Two 880bhp General Motors diesel engines, Snow and Knobstedt single reduction gear, two shafts.
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    No image of BYMS-2033 is available at this time

    There is no DANFS history available for BYMS-2033.
    Additional Resources and Web Sites of Interest
    Association of Minemen
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    This page created and maintained by Joseph M. Radigan
    © 2005 Joseph M. Radigan © 1996 - 2005 NavSource Naval History. All Rights Reserved.