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NavSource Online: Mine Warfare Vessel Photo Archive

HM BYMS-2048
ex-HM J-848

BYMS-48 served the Navies of Great Britain and The Netherlands

Zuiderdiep call sign:
Papa - Alpha - November - Alpha

BYMS-1 Class Motor Minesweeper:

  • Laid down 24 April 1942 as BYMS-48 by the Gibbs Corp., Jacksonville, FL
  • Launched 19 August 1942
  • Completed 19 February 1943
  • Transferred to Great Britain 12 March 1943 and reclassified J-848
  • Reclassified HM BYMS-2048
  • Struck from the Naval Register 13 December 1946
  • Returned to U.S. custody 1 January 1947
  • Transferred to the State Department, Foreign Liquidation Commission in February 1947 and sold to The Netherlands
  • Placed in service in March 1947 as HNLMS Zuiderdiep (MV 43)
  • Reclassified M-840
  • Reclassified as a Diving Vessel, A-904 in 1957
  • Struck from the Navy Register in 1962
  • Fate unknown.


  • 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 tracks
  • 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
    HM J-848
    BYMS-48 109k Photo from the collection of George Thomson Nick Duffy
    Photo added 13 February 2021
    HNLMS Zuiderdiep (M 840)
    BYMS-48 284k Arie van Mazijk
    BYMS-48 45k
    BYMS-48 44k
    BYMS-48 105k

    There is no DANFS history available for BYMS-48
    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
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