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

HM BYMS-2209
ex-HM J-1009

BYMS-2209 served the Navies of Great Britain and Greece.

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 30 April 1942 as YMS-209 by Robert Jacob, Inc., City Island, NY
  • Launched 15 August 1942
  • Completed 24 March 1943, transferred to Great Britain and reclassified HM J-1009
  • Reclassified HM BYMS-2209
  • Returned to U. S. custody 15 April 1946, loaned to Greece and named Zakynthos (M 212)
  • Given to Greece 22 July 1952
  • Struck from the Naval Register 8 September 1952
  • Struck from the Greek Navy 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-215 245k "Experimental Semi-submersible torpedo craft" (USN Small Boat No. C-25465). Close-up view of the boat's conning tower, in the open position. Photographed at the Robert Jacob shipyard, City Island, New York, circa March 1943. In the background are two Vosper type PT boats and, at right, the minesweeper YMS-215 (later USS Crow, AMS-7), which is fitting out
    National Archives photo 19-N-43816 from the Bureau of Ships collection
    Naval History and Heritage Command
    YMS-209 495k "Experimental Semi-submersible torpedo craft" (USN Small Boat No. C-25465). Deck view, looking forward from the stern, taken at the Robert Jacob Shipyard, City Island, New York, circa March 1943. USS YMS-209 is in the background
    National Archives photo 19-N-43817 from the Bureau of Ships collection

    There is no DANFS History currently available for BYMS-2209
    Back to the Main Photo Index Back to the Mine Warfare Ship Photo Index Back to the Auxiliary Motor Minesweeper (YMS) Photo Index

    Comments, Suggestions, E-mail Webmaster

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