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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Charlie - Dog - Queen

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 1 November 1943 by Robert Jacobs, Inc., City Island, NY
  • Launched 7 July 1944
  • Completed 25 October 1944
  • Commissioned USS YMS-438, 26 October 1944 under the command of LTJG Philip C. Martin, USNR
  • Decommissioned 1 January 1947
  • Struck from the Naval Register 5 March 1947
  • Transferred to the War Shipping Administration 27 May 1947
  • Acquired later in 1947 by Merton P. Soma of Mount Vernon, WA for use as a fishing boat and named Lynn Ann
  • Acquired in 1949 by Trawler Lynn Ann, Inc. of Anacortes, WA
  • Acquired in 1954 by Beaufort By-Products of Beaufort, NC
  • Acquired in 1956 by the Carteret Menhaden Co., Inc. of Beaufort
  • Out of documentation in 1978
  • 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
    YMS-438 106k c. 1945
    San Francisco Bay
    Passing under the Golden Gate bridge
    Robert Hurst

    There is no DANFS History currently available for YMS-438
    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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