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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Charlie - How - How

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 24 November 1943 by Robert Jacobs, Inc., City Island, NY
  • Launched 28 October 1944
  • Completed 29 December 1944
  • Struck from the Navy Register 28 August 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 13 kts.
  • Complement 50
  • Armament: One 3"/50 dual purpose gun mount and two 20mm mounts
  • 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-440 63k From the collection of John J. Nielson Carole Nielson Grundvig
    YMS-440 314k 6 June 1946
    Subic Bay, Philippines
    Fourth from the left: LTJG James Rice, USNR, Commanding Officer
    Photo by Leonor Studios, Olongapo, Philippines
    John Rice

    View the YMS-440 Crew Photos

    There is no DANFS History currently available for YMS-440
    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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