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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Peter - Item - Jig

YMS-406 served the Navies of the United States and Norway.

YMS-1 Class Auxiliary Motor Minesweeper:Laid down 28 January 1943 by Henry C. Grebe and Co., Inc., Chicago, IL
  • Launched 6 September 1943
  • Completed 20 November 1943 and commissioned USS YMS-406
  • Transferred to Norway 18 May 1945 and reclassified and commissioned HNoMS NYMS-406
  • Named and reclassified HNoMS Rana (M 330) in 1948
  • Returned to U.S. custody 7 June 1948 (on paper only); transferred to the State Department, Foreign Liquidation Commission and sold to Norway the same day
  • Struck from the Naval Register 12 August 1948
  • Struck from the Norwegian Naval Register in August 1962
  • 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-406 231k 19 November 1943
    Builder's photo taken a day before the ship's official completion
    Naval History and Heritage Command photo NH 43511
    Mike Green
    USS YMS-406
    YMS-305/380/406 149k YMS-305, YMS-406 and YMS-380 in a French port sometime after D-Day George Meier

    There is no DANFS History currently available for YMS-406
    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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