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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Peter - Sugar - Able

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 20 September 1943 by the Stadium Yacht Basin Inc., Cleveland, OH
  • Launched 11 March 1944
  • Completed 6 September 1944
  • Commissioned USS YMS-414, 7 September 1944
  • Decommissioned 1 December 1946
  • Struck from the Naval Register 25 May 1947
  • Transferred to the War Shipping Administration 14 November 1947
  • Acquired in 1963 by R. G. Vest of Seattle, WA for use as a freight barge and named Charley B.
  • Acquired in 1970 by Tom McDonald of Seattle
  • Out of documentation in 1984
  • 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, 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-414 243k Fitting out at the Stadium Yacht Basin, Cleveland, Ohio, 10 July 1944
    National Archives photo 19-N-67887 and 19-N-67888
    Top photo added 5 September 2019
    Mike Green
    YMS-414 190k
    USS YMS-414
    YMS-414 234k San Francisco Bay, 1945-1946
    Courtesy of D.M. McPherson, 1974
    Naval History and Heritage Command photo NH 79711
    Mike Green

    Commanding Officers
    01LT Joseph C. Bedsole, USNR7 September 1944 - July 1945
    02LTJG Albert Jack Bartlett, USNJuly 1945 - April 1946
    Courtesy of Wolfgang Hechler and Ron Reeves

    There is no DANFS History currently available for YMS-414
    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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