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NavSource Online:
Mine Warfare Vessel Photo Archive

Risk (AM 291)

Call sign:
Nan - Queen - King - Uncle

Admirable Class Minesweeper:

  • Laid down 15 April 1944 as Risk (AM 291) by the General Engineering and Dry Dock Co., Alameda, CA
  • Launched 7 November 1944
  • Construction canceled 1 November 1945
  • Hull purchased in 1947 by the Harrisville Corp. of Honduras and completed as George Gamblin
  • Acquired in 1953 by Three Bays Corp. of Panama City, Panama and renamed Winding Bay
  • Acquired in 1962 by Garimar S. A. of Panama and renamed Pingüino
  • Caught fire 23 June 1967 en route from Angra dos Reis, Brazil to Buenos Aires, Brazil
  • Sank 26 June 1967 off Ilha Grande, Brazil.


  • Displacement 998 t.
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Propulsion: Two 1,710shp Cooper Bessemer GSB-8 diesel engines, National Supply Co. single reduction gear, two shafts.
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    View the Risk (MSF 291)
    DANFS history entry located on the Naval History and Heritage Command website
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