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NavSource Online: Mine Warfare Vessel Photo Archive

HMS BYMS-2047
ex-HMS J-847
ex-BYMS-47



BYMS-47 served the Navies of Great Britain and Finland.
BYMS-1 Class Motor Minesweeper:

  • Laid down 23 April 1942 as BYMS-47 by Gibbs Corp., Jacksonville, FL
  • Launched 8 August 1942
  • Completed 9 February 1943
  • Transferred to Great Britain 9 March 1943 and named HMS J-847
  • Renamed HMS BYMS-2047
  • Sold to Finland 5 May 1948 and renamed Katanpää
  • Returned to U.S. custody 19 May 1948
  • Fate unknown.

    Specifications:

  • Displacement 270 t.
  • Length 136'
  • Beam 24' 6"
  • Draft 8'
  • Speed 15 kts.
  • Complement 32
  • Armament: One 3"/50 dual purpose gun mount, two 20mm, and two depth charge projectiles
  • Propulsion: Two 880bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image    		 Size Image Description Source
    BYMS-2047 71k c. 1959
    Finnish Navy photo from the 1959/1960 edition of Jane's Fighting Ships    		 Robert Hurst
    There is no DANFS history available for BYMS-47.
    Additional Resources and Web Sites of Interest
    Association of Minemen
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the British Motor Minesweeper (BYMS) Photo Index
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    This page created and maintained by Joseph M. Radigan
    © 2005 Joseph M. Radigan © 1996 - 2005 NavSource Naval History. All Rights Reserved.