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NavSource Online: Mine Warfare Vessel Photo Archive

HM BYMS-2057
ex-HM J-857

BYMS-57 served the Royal Navy and Greek Customs

BYMS-1 Class Motor Minesweeper:

  • Laid down 7 May 1942 as BYMS-57 by Westergard Boat Works, Inc., Biloxi, MS
  • Launched 15 January 1943
  • Completed 21 July 1943
  • Transferred to Great Britain 22 July 1943 and reclassified HM J-857
  • Reclassified HM BYMS-2057
  • Transferred to the State Department, Foreign Liquidation Commission in August 1947 and sold to Greek Customs as a contraband chaser
  • Returned to U.S. custody 1 September 1947 (on paper only)
  • Fate unknown.


  • 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
    BYMS-57 84k Photo from the collection of John Sterland's father, who served in HM BYMS-2057 as "Chief Gunner" John Sterland
    BYMS-57 68k

    There is no DANFS history available for BYMS-57
    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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