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-813

BYMS-13 was built for Great Britain and served the Navies of Great Britain and Egypt.

BYMS-1 Class Motor Minesweeper:

,li>Laid down 4 March 1942 as BYMS-13 by Associated Shipbuilders, Seattle, WA

  • Launched 27 May 1942
  • Completed 29 October 1942
  • Transferred to Great Britain 30 October 1942 and reclassified HMS J-813
  • Reclassified HMS BYMS-2013
  • Transferred to the State Department, Foreign Liquidation Commission in May 1947, sold to Egypt and named Gaza
  • Returned to U.S. custody 6 June 1947
  • Struck from the Naval Register 10 June 1947
  • Destroyed by fire 26 July 1950 after a fuel tank explosion off Mersa Matruh, Egypt.


  • 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-2013 60k BYMS-2013 in Egyptian service. .

    There is no DANFS history available for BYMS-13
    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