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NavSource Online: Mine Warfare Vessel Photo Archive

Concise (MSF 163)

Call sign:
November - Delta - Papa - Bravo


Admirable Class Minesweeper:

  • Originally planned as Coastal Minesweeper Concise (AMc 140)
  • Reclassified as a Minesweeper AM-163, 21 February 1942
  • Laid down 15 June 1942 by the Willamette Iron and Steel Corp., Portland, OR
  • Launched 6 February 1943
  • Commissioned USS Concise (AM 163), 25 April 1944
  • Decommissioned 31 May 1946 at San Diego, CA
    Naval Vessel Register of 1 January 1949 lists out of commission, in reserve as December 1945
  • Reclassified as a Fleet Minesweeper (Steel Hull), MSF-163, 7 February 1955
  • Scrapped in 1959.


  • Displacement 650 t.
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Complement 104
  • Armament: One 3"/50 dual purpose gun mount, two twin 40mm gun mounts, one depth charge projector (hedgehog) and two depth charge tracks
  • Propulsion: Two 1,710shp ALCO 539 diesel engines, Farrel-Birmingham single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Concise 224k c. December 1945
    Returns to San Francisco Bay flying her large homeward bound pennant
    Courtesy of D. M. McPherson, 1974
    U.S. Navy photo NH 81365
    Naval History and Heritage Command
    Compel 223k 3 February 1946
    Pacific Reserve Fleet (PRF), Swan Island, Portland, Oregon
    Compel (AM 162) inboard of Concise
    National Archives photo
    John Chiquoine and Dave Schroeder
    Compel 238k 3 February 1946
    LSM-471 and LSM-473 (identifiable) berthed in the Swan Island PRF yard in Swan Island, Portland. Minesweepers Compel (AM 162) and Concise are alongside to port
    National Archives photo
    National Archives photo
    John Chiquoine and Dave Schroeder
    Photo added 2 February 2022

    Commanding Officers
    01LT Henry James Ullmann, Jr., USNR25 April 1944 - 9 November 1945
    02LT John Thomas McInerny, USNR9 November 1945
    Courtesy of Wolfgang Hechler, Ron Reeves and R. A. Moody

    View the Concise (MSF 163)
    DANFS History entry located on the Haze Gray & Underway Website
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    This page created and maintained by Joseph M. Radigan (of blessed memory) & Michael Mohl
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