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NavSource Online: Mine Warfare Vessel Photo Archive

Defiance (AMc 73)

Call sign:
Nan - Fox - Baker - Uncle

Accentor Class Coastal Minesweeper:

  • Laid down 10 April 1941 by the Herreshoff Manufacturing Co., Bristol, RI
  • Launched 21 June 1941
  • Placed in service 24 November 1941
  • Attached to the 10th Naval District in the Carribbean and operated off San Juan, Puerto Rico
  • Placed out of service in 1945
  • Struck from the Naval Register in December 1945
  • Transferred to the War Shipping Administration in June 1947 and sold
  • Fate unknown.


  • Displacement 190 t.
  • Length 97' 1"
  • Beam 22'
  • Draft 9'
  • Speed 10 kts.
  • Complement 17
  • Armament: One .50 cal. machine gun
  • Propulsion: One 400bhp Superior K.N.B. diesel engine, one shaft.
    Click on thumbnail
    for fusl iize Image
    Size Image Description Source
    Defiance 185k c. 1943
    Naval Air Station San Juan, Puerto Rico
    LCDR Orlando Gallardo, Jr., USN

    View the Defiance (AMc 73)
    DANFS history entry located on the Haze Gray & Underway website
    Additional Resources and Web Sites of Interest
    Naval Minewarfare Association
    Association of Minemen
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