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NavSource Online: Mine Warfare Vessel Photo Archive


MSO-514 was built for France.

AM-450 Class Minesweeper:

  • Laid down 30 April 1955 as MSO-514 by Peterson Builders Inc., Sturgeon Bay, WI
  • Launched, 30 July 1955
  • Sponsored by Mrs. K. Laeson
  • Completed 17 October 1956
  • Transferred to France as Colmar (M 624), 21 November 1956
  • Decommissioned 27 February 1976
  • Scrapped in 1985.


  • Displacement 750 t.
  • Length 172'
  • Beam 35'
  • Draft 11'
  • Speed 15.5 kts.
  • Armament: One 40mm mount and two .50 cal. machine guns
  • Propulsion: Two 1,600shp General Motors diesel engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    MSO-514 51k . Joe Radigan
    Colmar (M 624)
    MSO-514 93k c. 1962
    Photo by Stefan Terzilbasch
    Joe Radigan
    MSO-451 118k c. 1962
    Brest, France
    Nested between Bir Hacheim (M 614), ex-MSO-451 and the destroyer Le Malin (D 612)
    Robert Hurst

    There is no DANFS history available for MSO-514.
    Additional Resources and Web Sites of Interest
    Association of Minemen

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    This page created and maintained by Joseph M. Radigan
    © 2005 Joseph M. Radigan © 1996 - 2005 NavSource Naval History. All Rights Reserved.