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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - George - Roger - Charlie

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 16 June 1942 by the Northwestern Shipbuilding Co., South Bellingham, WA
  • Launched 20 March 1943
  • Completed 27 June 1943
  • Decommissioned 1 April 1946
  • Struck from the Navy Register 25 September 1946
  • Transferred to the War Shipping Administration in May 1948
  • 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 and two depth charge projectors
  • Propulsion: Two 880bhp General Motors 8-258A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    YMS-286 140k . Victor Barnaby
    YMS-286 938k Letter from John Gritzmacher's father describing the impact on YMS-286 and her crew after the explosion of USS Mount Hood (AE 11) at Seeadler Harbor, Manus, Admiralty Islands, 10 November 1944 John Gritzmacher

    Commanding Officers
    01LT D. L. Middleton, USNR1945
    Courtesy Joe Radigan

    There is no DANFS History currently available for YMS-286

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    This page created and maintained by Joseph M. Radigan
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