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-879

BYMS-79 was built for Great Britain.

BYMS-1 Class Motor Minesweeper:

  • Laid down 29 October 1942 as BYMS-79 by Wheeler Shipbuilding Corp., Whitestone, NY
  • Launched 22 May 1943
  • Completed 24 July 1943, transferred to Great Britain and reclassified J-879
  • Reclassified BYMS-2079
  • Returned to U.S. custody 8 May 1948; transferred to the State Department, Foreign Liquidation Commission 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-79 444k . J. Grimley
    BYMS-79 45k Conducing sweep operations.
    BYMS-79 83k One of the General Motors 8-268A main engines.

    There is no DANFS history available for BYMS-79
    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

    Comments, Suggestions, E-mail Webmaster

    This page created and maintained by Joseph M. Radigan
    All pages copyright NavSource Naval History