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NavSource Online: Mine Warfare Vessel Photo Archive

HMS BYMS-2040
ex-HMS J-840
ex-BYMS-40


BYMS-2040 served the Royal Navy and Greek Customs
BYMS-1 Class Motor Minesweeper

  • Laid down 7 September 1942 as BYMS-40 by the Barbour Boat Works, New Bern, NC
  • Launched 7 December 1942
  • Completed 12 August 1943
  • Transferred to Great Britain and HMS J-840, 14 August 1943
  • Renamed HMS BYMS-2040
  • Transferred to the State Department, Foreign Liquidation Commission in August 1947
  • Returned to U.S. custody 1 September 1947 and sold to Greek Customs as a contraband chaser
  • 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 projectors
  • Propulsion: Two 880bhp General Motors diesel engines, Snow and Knobstedt single reduction gear, two shafts.
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    No image of BYMS-2040 is available at this time
    There is no DANFS history available for BYMS-2040.
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
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