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NavSource Online: Mine Warfare Vessel Photo Archive


Call sign:
November - Tango - Alpha - Xray


Sunk 2 May 1945

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 25 May 1943 as Patrol Craft Sweeper, PCS-1462 by the Bellingham Marine Railway and Boatbuilding Co., Bellingham, WA
  • Reclassified as an Auxiliary Motor Minesweeper, YMS-481, 27 September 1943
  • Launched 20 November 1943
  • Completed 15 March 1944
  • Sunk by shore batteries off Tarakan, Borneo 2 May 1945
  • Struck from the Naval Register 2 June 1945.


  • 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 880shp General Motors 8-268A diesel engines, Snow and Knobstedt reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    No image of YMS-481 is available at this time

    There is no DANFS history available for YMS-481.
    Back to the Main Photo Index Back to the Patrol Craft/Gunboat/Submarine Chaser Index Back to the Patrol Craft Sweeper (PCS) 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 (of blessed memory) & Michael Mohl
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