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: Service Ship Photo Archive

YNg-36 (1944 - 1946)
YC-908 (1942 - 1944)
YSD-4 (1920 - 1942)

Seaplane Wrecking Derrick:
  • Built by Mare Island Navy Yard, Vallejo, CA
  • Completed as the steel-hulled sternwheel Seaplane Wrecking Derrick YSD-4, 1920
  • Assigned to the 11th Naval District, at San Diego, 1920 - 1942
  • Redesignated open lighter YC-908, 28 April 1942
  • Redesignated gate vessel YNg-36, 15 June 1942
  • Converted to sonar maintenance training barge, West Coast Sound School, San Diego, CA, June-August 1944
  • (Possibly reverted to YC-908)
  • Redesignated covered lighter YF-1149, 04 April 1946
  • Reclassified floating equipment, 1949
  • Final Disposition, fate unknown
    Displacement unknown
    Length 87' 3"
    Beam 40' 0"
    Draft unknown
    Lifting Capacity 5 tons
    Propulsion, sternwheel, 80hp

    Click On Image
    For Full Size Image
    Size Image Description Source
    1206k YSD-4 and USS Undaunted (AT-58) moored at Mare Island Navy Yard, 05 July 1922.
    US Navy photo.
    Darryl Baker

    Back To The Navsource Photo Archives Main Page Back To The Yard and District Craft Photo Index Back To The Seaplane Wrecking Derrick (YSD) Photo Index
    Comments, Suggestions, E-mail Webmaster.
    This page was created by Gary P. Priolo and is maintained by David L. Wright
    All pages copyright NavSource Naval History
    Last Updated 07 February 2020