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NavSource Online: Mine Warfare Vessel Photo Archive

HM BYMS-2079
ex-HM 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 Conducting sweep operations.
    BYMS-79 83k One of the General Motors 8-268A main engines
    BYMS-2157 51k Moored inboard of BYMS-2157 Tommy Trampp
    Photos added 9 June 2022
    BYMS-2157 50k

    Photos from the collection of Raymond Grimley, Crewmember HM BYMS-2079

    Contributed by J. Grimley

    (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






    There is no DANFS history available for BYMS-79
    Commanding Officers
    01T/A/LCDR A. F. Fox, RNVR25 July 1943 - 15 November 1943
    02T/LT Harold Russell Walker, DSC, RNVR15 November 1943 - 27 September 1945
    Courtesy Joe Radigan

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    This page created and maintained by Joseph M. Radigan & Michael Mohl
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