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NavSource Online: Mine Warfare Vessel Photo Archive


MSO-512 was built for France.

AM-450 Class Minesweeper:

  • Laid down 1 September 1954 as AM-512 by Peterson Builders Inc., Sturgeon Bay, WI
  • Reclassified as an Ocean Minesweeper, MSO-512, 7 February 1955
  • Launched 23 April 1955
  • Sponsored by Mrs. W. B. Davidson
  • Completed 24 June 1956
  • Transferred to France as Narvik (M 609), 23 July 1956
  • Reclassified A-769 in 1976
  • Decommissioned in 1988
  • Struck from the Navy list in 1989
  • Fate unknown.


  • 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
    Narvik (M 609)
    MSO-512 152k View of the Forecastle
    Photo by Marine Nationale
    Robert Hurst
    MSO-512 70k c. 1959
    Photo by Marius Bar from the 1959/1960 edition of Jane's Fighting Ships
    Narvik (A 769)
    MSO-512 40k c. 1964
    Photo by Marine Nationale
    Robert Hurst

    There is no DANFS history available for MSO-512
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Ocean Minesweeper (MSO) Photo Index

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    This page created and maintained by Joseph M. Radigan
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