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NavSource Online: Mine Warfare Vessel Photo Archive

Logic (AM 258)

Call sign:
Nan - George- Sugar - Xray

Logic served the Navies of the United States and the Republic of China.

Admirable Class Minesweeper:

  • Laid down 27 October 1942 by the American Shipbuilding Co., Lorain, OH
  • Launched 10 April 1943
  • Commissioned USS Logic (AM 258), 21 November 1943
  • Transferred to the Republic of China 28 August 1945 and renamed ROCS Yung Shun (AM 44)
  • Reclassified A-28
  • Decommissioned and struck from the Naval Register 1 June 1970
  • Fate unknown.


  • 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 1,710shp 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
    Logic (AM 258)
    Logic 126k 10 April 1943
    Ships sponsor, LTJG Mary Erbenz, USCGR(W) christening Logic
    S. Dale Hargrave
    Logic 104k Launching Historical Collections of the Great Lakes
    ROCS Yung Shun (AM 44)
    Logic & PCE-869 140k Chinese Warships passing through the Gatun locks, Panama Canal, on 21 April 1946, after being turned over to China by the U.S. Navy. The ships are: Yung Shun (AM 44), ex-USS Logic (AM-258) and Yung Hsiang (PCE 42), (later renamed Wei Yuan (PF 42)) ex-USS PCE-869. Ships are flying Chinese flags, but still wear U.S. Navy
    hull numbers
    National Archives photos 80-G-363480 and 80-G-363490
    Mike Green
    Logic & PCE-869 220k
    Logic 60k Yung Shun still wearing her U.S. Navy hull number
    Taiwanese Navy photo from the 1960/1961 edition of Jane's Fighting Ships
    Robert Hurst
    Logic 45k Chinese Nationalist Navy photo Chinese Navy
    ROCS Yung Shun (A 28)
    Logic 50k c. 1947
    Chinese Nationalist Navy photo
    Robert Hurst

    Commanding Officers
    01LT Stephen Henry Squibb, USNR21 November 1943 - 1 August 1944
    02LT John Owen Jones, USNR1 August 1944 - 11 July 1945
    03LT Francis Louis Tindall, USNR11 July 1945 - 28 August 1945
    Courtesy of Wolfgang Hechler, Ron Reeves, R. A. Moody and Wendell Jones

    View the Logic (AM 258)
    DANFS History entry located on the Haze Gray & Underway Website
    Back to the Main Photo Index Back to the Mine Warfare Ship Photo Index Back to the Minesweeper (AM) Photo Index

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    This page created and maintained by Joseph M. Radigan
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