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NavSource Online: Mine Warfare Vessel Photo Archive


MSC-133 was built for Italy.

Adjutant Class Motor Minesweeper:

  • Laid down as AMS-133 by the Bellingham Shipyard Co., Bellingham, WA
  • Completed 30 March 1954, transferred to Italy and named Olmo (M 5512)
  • Reclassified by U. S. Navy as a Coastal Minesweeper, MSC-133, 7 February 1955
  • Scrapped in 1980.


  • Displacement 362 t.
  • Length 144' 3"
  • Beam 27' 2"
  • Draft 12'
  • Speed 13 kts.
  • Complement 40
  • Armament: One twin 20mm mount
  • Propulsion: Two General Motors diesel engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    MSC-133 133k c. 1954
    Panama Canal
    Pino (M 5514) ex-AMS-134 and Olmo still wearing their U.S. Navy hull number transit the canal astern of two French
    Motor Minesweepers.
    Photo courtesy of Raymond Stephan
    André Pilon
    MSC-133 486k 28 September 1978
    La Spezia, Italy
    Carlo Martinelli

    There is no DANFS history available for MSC-133
    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 Motor Minesweeper (AMS) Photo Index Back to the Coastal Minesweeper (MSC) Photo Index

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    This page created and maintained by Joseph M. Radigan
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