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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Baker - Jig - Dog

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 15 May 1941 by the Krause and Banks Shipbuilding Co., Inc., North Bend, OR
  • Launched 2 June 1942
  • Completed 24 September 1942
  • Struck from the Naval Register 17 April 1946
  • Transferred to the War Shipping Administration in January 1947
  • 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-122 208 Off the Mare Island Navy Yard, 21 October 1942
    Courtesy of Donald M. McPherson, 1977
    U.S. Navy photo NH 85825
    Naval History and Heritage Command
    271k U.S. Navy minesweeper YMS-122 by Victor C. West Coll., Coos Historical and Maritime Museum, CHMM 009-16.174. Photo by

    There is no DANFS history available for YMS-122
    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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