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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Yoke - How Fox

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 25 May 1942 by the Daschel-Carter Shipbuilding Corp., Benton Harbor, MI
  • Launched 30 January 1943
  • Completed 27 May 1943
  • Commissioned USS YMS-166, 21 June 1943 and assigned to the Atlantic Fleet
  • Decommissioned 15 June 1946
  • Struck from the Naval Register 19 July 1946
  • Transferred to the War Shipping Administration in April 1948
  • Sold in 1951 to the Far Eastern Foundation, Inc. of San Francisco, CA for use as a pleasure boat and named Hope
  • Operated out of Guam by a Saipan corporation under the Trust Territory flag
  • 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
    No image of YMS-166 is available at this time

    Commanding Officers
    01LT Edward P. O'Callahan, Jr., USNR21 June 1943
    02LT P. A. Loftus, USNR1945
    Courtesy Joe Radigan

    There is no DANFS History currently available for YMS-166
    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
    All pages copyright NavSource Naval History