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

HMS BYMS-2004
ex-HMS J-804
ex-BYMS-4



BYMS-2002 served the Royal Navy and Greek Customs

BYMS-1 Class Motor Minesweeper:

  • Laid down 29 August 1941 as BYMS-4 by the American Car and Foundry Co., Wilmington, DE
  • Launched 18 June 1942
  • Completed, transferred to Great Britain 1 August 1942 and reclassified HMS J-804
  • Reclassified HMS BYMS-2004
  • Returned to U.S. custody 1 September 1947 and sold to Greek Customs for use as a contraband chaser
    Naval Vessel Register of 1 January 1949 lists transfer to the State Department, Foreign Liquidation Commission in August 1947
  • Fate unknown.

    Specifications:

  • 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
    No image of BYMS-4 is available at this time

    There is no DANFS history available for BYMS-4
    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