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NavSource Online: Mine Warfare Vessel Photo Archive

ex-HMS J-863

BYMS-63 was built for Great Britain.

BYMS-1 Class Motor Minesweeper:

  • Laid down 15 January 1943 as BYMS-63 by Westergard Boat Works, Inc., Biloxi, MS
  • Launched 12 June 1943
  • Completed 10 November 1943, transferred to Great Britain ans reclassified J-863
  • Reclassified BYMS-2063
  • Transferred to the State Department, Foreign Liquidation Commission in February 1948
  • Returned to U.S. custody 21 April 1948 and sold
  • 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 tracks
  • 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
    BYMS-63 43k c. 1944
    Bombay, India
    Mark Squires
    BYMS-63 14k Crew member Able Seaman Richard Squires

    There is no DANFS history available for BYMS-63
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the British Motor Minesweeper (BYMS) Photo Index

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    This page created and maintained by Joseph M. Radigan
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