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NavSource Online: Mine Warfare Vessel Photo Archive

Jackdaw (MSC[O] 21)
ex-AMS-21
ex-YMS-373



Call sign:
November - Delta - Alpha - Xray


Jackdaw served the Navies of the United States and Brazil.
YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 28 December 1942 by Weaver Shipyards, Orange, TX
  • Launched 29 January 1944
  • Completed 28 April 1944
  • Commissioned USS YMS-373, 29 April 1944
    Naval Vessel Register of 1 January 1949 lists plan for decommissioning and placing in reserve at San Diego, CA as February 1947
  • Named Jackdaw and reclassified as a Motor Minesweeper, AMS-21, 18 February 1947
  • Reclassified as a Coastal Minesweeper (Old), MSC(O)-21, 7 February 1955
  • Struck from the Naval Register 1 January 1960
  • Transferred to Brazil 18 January 1960 and renamed Jurva (M 13)
  • Fate unknown.

    Specifications:

  • 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-373 134k c. 1945
    San Francisco Bay    		 Brian Cleveland
    YMS-373 34k Otto R. Cleveland, crew member
    Dictionary of American Naval Fighting Ships History:

    Jackdaw

    A common crow-like bird, easy to tame, that is noted for pilfering small articles.

    YMS-373, commissioned 29 April 1944 was reclassified AMS-21 and given the name Jackdaw 17 February 1947. Struck from the Navy List 1 January 1960 and transferred to Brazil as Jurva (M13) in January 1963.

    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 Back to the Motor Minesweeper (AMS) Photo Index Back to the Coastal Minesweeper (MSC) Photo Index
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    This page created and maintained by Joseph M. Radigan
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