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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Queen - Item - Charlie

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 1 January 1943 by the Seattle Ship Building and Dry Dock Co., Seattle, WA
  • Launched 20 March 1943
  • Completed 12 August 1943
  • Struck from the Naval Register 19 June 1946
  • Transferred to the State Department, Foreign Liquidation Commission 21 October 1947 and sold
  • Fate unknown.


  • Displacement 270 t.
  • Length 136'
  • Beam 24' 6"
  • Draft 8'
  • Speed 15 kts.
  • Complement 32
  • Armament: One single 3"/50 dual purpose 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-338 146k 20 March 1943
    Tallow on the ways, congealed by the cold, slightly delayed the launching of the YMS-338 and a winch and block and tackle gear was necessary to start the minesweeper. Fred Bianco, president of the shipbuilding corporation; Robert Scobie, vice president; R. B. Bivins, general manager and William Larsen, superintendent attended the launching
    Tommy Trampp
    USS YMS-338
    YMS-338 67k . Joseph Joyal
    YMS-338 187k Sweeping Manila Harbor, Philippines Dennis B. McCourt
    YMS-53 184k 28 December 1945
    Shanghai, China
    YMS-338, YMS-6, YMS-8, YMS-53 and YMS-51 were just a portion of the mine sweeping force tied-up along the Huangpu River
    Photo from the collection of LTJG Jack W. Norris, XO, YMS-56
    Paul Norris

    There is no DANFS history available for YMS-338
    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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