Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

NavSource Online: Mine Warfare Vessel Photo Archive

Courtesy of Tommy Trampp

HMS Cynthia (J 345)

BAM-15 was built for Great Britain.

BAM-1/Auk Class Minesweeper:

  • Laid down 7 September 1942 as BAM-15 by Associated Shipbuilders, Seattle, WA
  • Launched 25 January 1943
  • Completed 7 December 1943, transferred to Great Britain and named HMS Cynthia (J 345)
  • Returned to U.S. custody 20 January 1947
  • Transferred to the War Shipping Administration in December 1947 and scrapped.


  • Displacement 945 t.
  • Length 184' 6"
  • Beam 33'
  • Draft 9' 9"
  • Speed 14.8 kts.
  • Complement 104
  • Armament: One 3"/50 dual purpose gun mount, two twin 40mm gun mounts, two 20mm gun mounts, two depth charge tracks and five depth charge projectors
  • Propulsion: Two 1,710shp Cooper Bessemer GSB-8 diesel engines, National Supply Co. single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    BAM-15 190k . Mark Clarkson website

    There is no DANFS history currently available for Cynthia (J 345)
    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 Minesweeper (AM) Photo Index

    Comments, Suggestions, E-mail Webmaster

    This page created and maintained by Joseph M. Radigan
    All pages copyright NavSource Naval History