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

HM BYMS-2001
ex-HM J-810

BYMS-1 was built for Great Britain

BYMS-1 Class Motor Minesweeper:

  • Laid down 24 July 1941 as BYMS-1 by the American Car and Foundry Co., Wilmington, DE
  • Launched 17 March 1942
  • Completed 30 May 1942, transferred to Great Britain and reclassified HM J-801
  • Reclassified HM BYMS-2001
  • Returned to U.S. custody 10 December 1946
  • Transferred to the State Department, Foreign Liquidation Commission in June 1948
  • Acquired in 1949 by the Radcliffe Channel Islands Shipping Co., Ltd. and named Radcliffe
  • Renamed Regency Belle in July 1950
  • Acquired 18 January 1951 by S. R. Crowe
  • Acquired 2 May 1955 by Torbay Cruising Co., Ltd.
  • Acquired 28 April 1964 by Marine Salvage and Survey Service, Ltd. and renamed Regency
  • Acquired 6 January 1966 by Overseas and General Brokerage and Finance Co., Ltd.
  • Sank 19 September 1967 off Wolf Rock, 8 nautical miles off Lands End, Cornwall, England after being gutted by a fire which broke out in the engine room


  • 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
    HM J-801
    BYMS-1 65k c. 1942
    Departing Halifax, Nova Scotia, Canada
    Photo from the Nova Scotia Archives, Jefferson Collection
    Nova Scotia Archives
    Photo added 29 November 2019
    HM BYMS-2001
    BYMS-1 230k c. 1945
    Langelinie, Copenhagen, Denmark
    Moored inboard of an unidentified BYMS
    Photo from the collection of crewmember Engineman Gordon Hunter
    Ian Hunter
    Regency Belle
    BYMS-1 100k David Moxley

    There is no DANFS history available for BYMS-1
    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