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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Queen - George - William

Destroyed 18 December 1945

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 1 January 1944 by the Astoria Marine Construction Co., Astoria, OR
  • Launched 12 August 1944
  • Completed 24 November 1944
  • Grounded and damaged by Typhoon Louise at Okinawa 9 October 1945
  • Destroyed 18 December 1945
  • Struck from the Naval Register 3 January 1946.


  • Displacement 245 t.
  • Length 136'
  • Beam 23' 4"
  • Draft 8' 7"
  • Speed 14 kts.
  • Complement 60
  • Armament: One 3"/50 dual purpose gun mount, two 20mm mounts, two depth charge tracks 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-424 84k 6 July 1944
    Progress photo, Astoria Marine Construction Co.
    (Inset, upper right) Grounded at Okinawa
    USS YMS-424
    YMS-424 24k Grounded at Okinawa .

    Commanding Officers
    01LT A. F. Tuning, USNR1945
    Courtesy Joe Radigan

    There is no DANFS History currently available for YMS-424
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen

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    This page created and maintained by Joseph M. Radigan & Michael Mohl
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