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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
Nan - George - Yoke - Love

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 17 July 1942 by Henry B. Nevins, Inc., City Island, NY
  • Launched 1 April 1943
  • Completed 4 June 1943
  • Commissioned USS YMS-401, 5 June 1943
  • Decommissioned 1 April 1946
  • Struck from the Naval Register 7 February 1947
  • Transferred to the War Shipping Administration 29 October 1947
  • Registered in 1949 to Russell Wolf of Harvey, LA as the miscellaneous vessel Wolf V out of New Orleans, LA
  • Registered in 1950 to Russell Wolf and Co., Inc. of Harvey, LA as the miscellaneous vessel Wolf V out of New Orleans
  • Burned 23 September 1953 in Slip No. 2 at the company's dock, 4½" miles south of Harvey Locks at New Orleans.


  • Displacement 270 t.
    1949 - 259 t.
  • Length 136'
    1949 - 125.2'
  • Beam 24' 6"
    1949 - 24.8'
  • Draft 8'
    1949 - 11.6'
  • Speed 15 kts.
  • Complement 32
    1949 - 10
  • 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-401 303k Photo from the collection of ENS Howard C. Vanderschaaf Neil Vanderschaaf
    YMS-401 537k c. Summer 1944
    Crew photo
    Dennis B. McCourt
    YMS-401 197k Reverse side of above photo

    Photos from the collection of Elmer Carter, Crewmember USS YMS-401

    Contributed by Nan Reuel

    (If you know the identity of any of these crew members, please send an email with their names)

    Click on thumbnail for full size photo

    1. c. 1944

    2. c. 1944

    3. c. 1944

    Commanding Officers
    01LT Peter Sheridan, USNR5 June 1943 - December 1943
    02LT John J. McCourt, USNRDecember 1943 - August 1944
    03LT Arleigh P. Hess, Jr., USNR1945
    Courtesy Dennis B. McCourt, Joe Radigan and Wolfgang Heckler

    There is no DANFS history available for YMS-401
    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 & Michael Mohl
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