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NavSource Online: Mine Warfare Vessel Photo Archive

ex-HMS J-1057

BYMS-2257 served the Navies of Great Britain and Poland.

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 15 October 1942 as YMS-257 by the Weaver Shipyard, Orange, TX
  • Launched 30 September 1943
  • Completed 19 January 1944
  • Transferred to Great Britain 20 January 1944 and reclassified HMS J-1057
  • Reclassified HMS BYMS-2257
  • Struck from the Naval Register 28 August 1947
  • Returned to U.S. custody 29 August 1947 and transferred to the State Department, Foreign Liquidation Commission
  • Transferred to Poland 18 April 1948 and reclassified T-32
  • Later named ORP Foka
  • Struck 15 December 1955
  • 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
    HM BYMS-2257
    YMS-257 223k BYMS-2257 Ian Smith
    YMS-257 94k BYMS-2257 outboard of BYMS-2173, ex-YMS-173 Joe Radigan
    ORP Foka
    YMS-211, 257 & 282 135k The 4th Minesweeper Flotilla Squadron consisting of Delfin, ex-BYMS-2211; Foka and Mors, ex-BYMS-2282
    Photos from Facta Nautica
    Robert Hurst

    There is no DANFS History currently available for YMS-257
    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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