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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - Baker - Able - Yoke

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 8 May 1941 by the Harbor Boat Building Co., Terminal Island, CA
  • Launched 27 October 1941
  • Completed 7 May 1942 and commissioned USS YMS-118
  • Struck from the Naval Register 17 April 1946
  • Transferred to the War Shipping Administration in February 1947
  • Sold in 1951 to the Northland Navigation Co., Ltd. of Vancouver, British Columbia, Canada, rebuilt as a general cargo vessel and named Pacific Prince
  • Sold 31 January 1962 to Skeena Navigation Ltd. of Vancouver
  • Sold 31 March 1962 to the Northwest Shipping Co., Ltd. of Vancouver
  • Sold 16 June 1966 to Fred S. Hill and John R. Keebaum of Seattle, WA, rebuilt as a fishing boat and renamed V-O
  • Sunk in February 1967 in a voyage from Seattle to King Cove, AK.


  • 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-118 441k Los Angeles, California 27 October 1941 - The Auxiliary Motor Minesweeper YMS-118 is shown as it is launched at the Harbor Boat Building Company's yards. She is the second of four half million dollar minesweepers to be built here. The 136-foot craft will be delivered to the Navy shortly. Photo courtesy of Acme News Pictures Bill Gonyo

    Commanding Officers
    ??LTJG James F. Peterman, USNR
    Courtesy Wolfgang Hechler

    There is no DANFS history available for YMS-118
    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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