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NavSource Online: Mine Warfare Vessel Photo Archive

Chauvenet (AGS 11)

Call sign:
Nan - Zebra - Jig - George

YMS-1 Class Auxiliary Motor Minesweeper/Derickson Class Survey Ship:

  • Laid down 3 April 1942 by the Hiltebrant Dock Co., Kingston, NY
  • Launched 10 August 1942
  • Completed 20 March 1943
  • Commissioned USS YMS-195, 23 March 1943
  • Named Chauvenet and reclassified as a Survey Ship, AGS-11, 20 March 1945
  • Decommissioned in 1946
  • Struck from the Navy Register 3 July 1946
  • Transferred to the War Shipping Administration in February 1947
  • Sold in 1947 and became the British mercantile Zipper
  • Foundered in 1963, 100 miles off Georgetown, British Guinea.


  • Displacement 340 t.
  • Length 136'
  • Beam 23' 4"
  • Draft 8' 7"
  • Speed 14.5 kts.
  • Complement 32
  • Armament: One 3"/50 dual purpose gun mount, two 20mm mounts, and two depth charge projectors
  • Propulsion: Two 1,000bhp 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-195 184k Photographed during World War II
    Courtesy of T. F. Gundlach, Belleville, Illinois, 1971
    U.S. Navy photo NH 74261
    Naval History and Heritage Command

    There is no DANFS History currently available for Chauvenet (AGS 11)
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