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NavSource Online: Mine Warfare Vessel Photo Archive

YMS-423



Call sign:
Nan - Queen - George - Oboe


YMS-423 served the Navies of the United States and South Korea
YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 27 December 1943 by the Astoria Marine Construction Co., Astoria, OR
  • Launched 5 August 1944
  • Completed 25 October 1944
  • Struck from the Navy Register 25 February 1947
  • Transferred to the War Shipping Administration 26 December 1947
  • Sold to South Korea in 1948 and named ROKS Kaya San (YMS 511)
  • Sunk in 1949.

    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 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
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    No image of YMS-423 is available at this time
    There is no DANFS History currently available for YMS-423
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
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