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NavSource Online: Mine Warfare Vessel Photo Archive

ex-HMS J-844

BYMS-44 served the Navies of Great Britain and Finland.

BYMS-1 Class Motor Minesweeper:

  • Laid down 9 April 1942 as BYMS-44 by Gibbs Corp., Jacksonville, FL
  • Launched 19 June 1942
  • Completed 26 November 1942
  • Transferred to Great Britain 29 December 1942 and named HMS J-844
  • Renamed HMS BYMS-2044
  • Transferred to the State Department, Foreign Liquidation Commission 28 February 1948; sold to Finland and named Purunpää
  • Returned to U.S. custody (on paper only) 19 May 1948
  • Scrapped in 1958.


  • 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 mounts and two depth charge projectors
  • Propulsion: Two 800bhp 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-2039 95k BYMS-2039 (ex-BYMS-39), tied-up outboard of BYMS-2044 (ex-BYMS-44), with BYMS-2279 (ex-YMS-279) tied-up outboard of an unidentied BYMS aft. All are awaiting disposal
    Photo from "Minesweeper: The Role of the Motor Minesweeper in World War II" by Michael J. Melvin, BEM
    Robert Hurst
    BYMS-44 59k c. 1950 Robert Hurst

    There is no DANFS history available for BYMS-44

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    This page created and maintained by Joseph M. Radigan
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