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NavSource Online: Mine Warfare Vessel Photo Archive

ex-HMS J-1003

BYMS-2203 served only in the Royal Navy.

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 15 January 1942 as YMS-203 by the Hiltebrant Dock Co., Kingston, NY
  • Launched 15 January 1943
  • Completed 31 August 1943, transferred to the Royal Navy and reclassified HMS J-1003
  • Reclassified HMS BYMS-2203
  • She sailed from the United Kingdom to Malta as a part of Convoy KMS 43 on 11 December 1943, and at least for a time, she served in the Pacific. On 10 June 1944 she took assisted USS Bangust (DE-739) who had already
    attacked a submarine target 60 miles off Roi, Kwajalein Atoll, Marshall Islands. BYMS-2203 assisted USS Greiner (DE 37), USS SC-1364, and HMS BYMS-2282 in searching for Japanese submarine RO-111, even
    though, unknown at the time, Bangustís attack had already been successful.
  • Returned to U. S. custody 12 November 1946
  • Struck from the Naval Register 13 December 1946
  • Transferred to the State Department, Foreign Liquidation Commission in October 1947
  • 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 projectors
  • 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
    HMS J-1003
    BYMS-2203 140k On builders trials Tommy Trampp
    BYMS-2203 123k
    BYMS-2203 92k
    HMS BYMS-2203
    BYMS-2203 99k Somewhere in the Pacific. Mick Belton
    BYMS-2203 85k

    There is no DANFS History currently available for YMS-203
    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 Auxiliary Motor Minesweeper (YMS) Photo Index

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    This page created and maintained by Joseph M. Radigan
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