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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Baker - Victor - Able

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 19 June 1941 by Robert Jacobs, Inc., City Island, NY
  • Launched 14 March 1942
  • Completed 23 April 1942
  • Struck from the Naval Register 1 May 1946
  • Transferred to the War Shipping Administration in March 1948
  • Registered in 1950 to Gladys L. Salveson of Shaw, WA as the yacht Sea Tramp out of Bellingham, WA
  • Fate unknown.


  • Displacement 270 t.
    1950 - 251 t.
  • Length 136'
    1950 - 126.2'
  • Beam 24' 6"
    1950 - 25'
  • Draft 8'
    1950 - 11.3'
  • Speed 15 kts.
  • Complement 32
    1950 - Three
  • 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
    No image of YMS-40 is available at this time

    There is no DANFS history available for YMS-40
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