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NavSource Online: Mine Warfare Vessel Photo Archive

ex-HMS J-1058

Call sign:
Nan - Dog - How - Baker

BYMS-2258 served the Navies of Great Britain and South Korea.

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 31 October 1942 as YMS-258 by the Weaver Shipyard, Orange, TX
  • Launched 28 October 1943
  • Completed 8 February 1944, transferred to Great Britain and reclassified HMS J-1058
  • Reclassified HMS BYMS-2258
  • Returned to U.S. custody 29 August 1947 and transferred to an unknown Government Agency
  • Struck from the Naval Register 23 December 1947
  • Transferred to South Korea in 1948 and named ROKS Kim Chon (YMS 513)
  • Scrapped in 1968.


  • 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
    YMS-258 42k 7 June 1944
    Weaver Shipyards, Orange, TX
    Courtesy of Dr. Howard C. Williams
    Texana and Orange County Historian
    Curry Garvin

    There is no DANFS History currently available for YMS-258
    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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