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NavSource Online: Mine Warfare Vessel Photo Archive

ex-HMS J-817

BYMS-17 was built for Great Britain.

BYMS-1 Class Motor Minesweeper:

  • Laid down 16 July 1941 as BYMS-17 by Bellingham Iron Works, Inc., Bellingham, WA
  • Launched 14 April 1942
  • Completed, transferred to Great Britain 30 May 1942 and reclassified HMS J-817
  • Reclassified HMS BYMS-2017
  • Returned to U.S. custody 31 July 1946
  • Destroyed 24 May 1948
  • Struck from the Naval Register 18 June 1948.


  • 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-17 is available at this time

    There is no DANFS history available for BYMS-17
    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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