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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Peter - Tare - Dog

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 9 January 1944 by the Stadium Yacht Basin, Inc., Cleveland, OH
  • Launched 28 May 1944
  • Completed 21 October 1944
  • Commissioned USS YMS-416, 23 October 1944 under the command of LTJG George T. Lyons, USNR
  • Decommissioned 1 December 1946
  • Struck from the Navy Register 7 February 1947
  • Transferred to the War Shipping Administration 6 December 1947
  • Acquired in 1948 by Harold Healy of Seattle, WA for use as a freight barge and named Healys No. 1
  • Acquired in 1954 by Executive Factors, Ltd. of Seattle
  • Out of documentation in 1989
  • 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-416 157k Fitting out at the Stadium Yacht Basin, Cleveland, Ohio, 10 July 1944
    National Archives photos 19-N-67891 and 19-N-67892
    Mike Green
    YMS-416 226k

    There is no DANFS History currently available for YMS-416
    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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