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NavSource Online: Mine Warfare Vessel Photo Archive

Pirate (AM-275)

Call sign:
Nan - Peter - Xray - Love

Sunk 12 October 1950

Admirable Class Minesweeper:

  • Laid down 1 July 1943 by Gulf Shipbuilding Co., Chickasaw, AL
  • Launched 16 December 1943
  • Commissioned 16 June 1944
  • Decommissioned 6 November 1946 at Bremerton, Washington
  • Assigned to Service Force, Pacific Fleet in December 1947 in Japanese waters in caretaker status, out of service, in reserve
  • Recommissioned 14 August 1950 at Yokosuka, Japan
  • Sunk by mine 12 October 1950 off Pusan, Korea.


  • Displacement 945 t.(fl)
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Complement 104
  • Armament: One 3"/50 dual purpose mount, one twin 40mm gun mount, six single 20mm gun mounts, one depth charge thrower (hedgehogs), four depth charge projectors (K-guns) and two depth
    charge tracks
  • Propulsion: Two 855shp Cooper Bessemer GSB-8 diesel engines, National Supply Co. single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    American Ship Building
    263k The Pirate (AM-275) was built by the Gulf Shipbuilding Co., Chickasaw, AL, a few miles upstream of the Port of Mobile.
    Here in August 1917, after the United States entered World War I, U.S. Steel established Chickasaw Shipbuilding. The yard closed after World War I but was reopened in 1940 by Waterman Steamship Corp. as Gulf Shipbuilding.
    Insert photos courtesy of &
    Photo courtesy of
    Pirate 31k USS Pivot Website and Lucy Howell
    Pirate 60k Hyperwar U.S. Navy in WWII
    Pirate 31k .
    Pirate 11k Pirate in foreground and USS Pledge (AM-277) underway
    U.S. Navy photo taken from USS Pivot (AM-276)
    Robert Hurst
    Pirate 249k Painting by Richard DeRosset titled "Hidden Menace at Sin-Do Island," used in the book Wooden Ships and Iron Men: The U.S. Navy's Coastal & Motor Minesweepers, 1941-1953 by David Bruhn. Pledge (AM-277), which thereafter also suffered a mine strike and was sunk, is shown in the background Original photo: David Bruhn
    Replacement photo: Bill Gonyo
    NR Chevy Chase Ensign, Survivor Of Sunken Ship, on Way Home
    Ensign John J. Ekelund, grandson of Mr. and Mrs. Andrew C. Buscher, 4815 Wellington drive, Chevy Chase., was among more than 80 survivors of the sunken minesweepers Pirate (AM-275), Pledge(AM-277) and Magpie (AMS-25).....
    Ensign Ekelund estimated there were more than 1.000 mines in the area of Wonsan Harbor when his ship, the Pirate, was sunk 12 October. Some mines were strung between several small islands in the harbor, he recalled....
    Image and text provided by Library of Congress, Washington, DC.
    Text by Evening Star. [volume] (Washington, D.C.) 1854-1972, 12 November 1950, Image 27, courtesy of

    Commanding Officers
    01LCDR Gilbert Louis Leindecker, USNR16 June 1944 - 11 October 1945
    02LT John Claude Kettenring, USNR11 October 1945
    03LT Charles Lyman Rich, USNR10 November 1945
    04LCDR Frederick John Priddle, USNR4 February 1946
    05LT Hendrick William Trugo Nyland, USN15 August 1946
    06LT William Odell Talley, USN - Officer-in-Charge2 December 1947
    07LT Elvie Robert Burd, USN - Officer-in-Charge2 April 1948
    08LT Cornelius Emmett McMullen, USN14 August 1950 - 12 October 1950
    Courtesy of Wolfgang Hechler, Ron Reeves and R. A. Moody

    View the Pirate (AM-275)
    DANFS History entry located on the Haze Gray & Underway Website
    Photos of the sinking of USS Pirate (AM-275), 12 October 1950
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