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NavSource Online: Mine Warfare Vessel Photo Archive

HM BYMS-2185
ex-HM J-985

YMS-185 served the Navies of the United Kingdom and Greece

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 29 May 1942 as YMS-185 by the Greenport Basin and Construction Co., Long Island, NY
  • Launched 8 August 1942
  • Completed 9 February 1943, transferred to the Royal Navy and reclassified HM J-985
  • Reclassified HM BYMS-2185
  • Returned to U. S. Navy custody 12 August 1944, transferred to Greece the same day and named RHMS Afroessa (M 209)
  • Struck from the Naval Register 8 September 1952
  • Struck from the Greek Naval register in 1973
  • 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 projectors
  • 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
    YMS-185 52k c. 1951 Robert Hurst
    YMS-185 89k c. 1971
    Hellenic Navy photo

    There is no DANFS history available for YMS-185
    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 Auxiliary Motor Minesweeper (YMS) Photo Index

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    This page created and maintained by Joseph M. Radigan
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