Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

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 and 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

    Photos from the collection of Able Seaman Richard Squires, Crewmember HM BYMS-2063

    Contributed by Mark Squires

    C. 1944
    Off Bombay, India

    (If you know the identity of any of these crew members, please send an email with their names)

    Click on thumbnail for full size photo

    1. Able Seaman Richard Squires


    3. AB Squires on the right

    4. AB Squires standing



    7. AB Squires standing

    8. Wheelhouse

    9. Ships mascot

    10. Main 3"/50 gun mount

    11. Mascot

    12. Unidentified British minesweeper

    13. Looking aft

    14. Detonating a mine

    There is no DANFS history available for BYMS-63
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the British Motor Minesweeper (BYMS) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created and maintained by Joseph M. Radigan (of blessed memory) & Michael Mohl
    All Pages 1996 - 2023, NavSource History, All rights reserved.