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NavSource Online: Mine Warfare Vessel Photo Archive

HMS BYMS-2070
ex-HMS J-870
ex-BYMS-70



BYMS-2070 was built for Great Britain.

BYMS-1 Class Motor Minesweeper:

  • Laid down 15 May 1942 as BYMS-70 by Wheeler Shipbuilding Corp., Whitestone, NY
  • Launched 22 February 1943
  • Completed and transferred to Great Britain and reclassified J-870, 15 April 1943
  • Reclassified BYMS-2070
  • Returned to U.S. custody 8 May 1948; transferred to the State Department, Foreign Liquidation Commission and scrapped.

    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 projectors
  • Propulsion: Two 880bhp General Motors diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    BYMS-70 91k . Joe Radigan

    There is no DANFS history available for BYMS-70
    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

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    This page created and maintained by Joseph M. Radigan
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