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NavSource Online: Service Ship Photo Archive

YDG-4 (ex-YP-528)

Awards, Citations and Campaign Ribbons

Precedence of awards is from left to right
American Campaign Medal - Asiatic-Pacific Campaign Medal - World War II Victory Medal
YDG-4 Class Degaussing Vessel (Self-propelled):
  • Laid down (date unknown) at W.F Stone, Oakland CA. as the freighter Santa Monica
    Official Number 117115
    International Radio Call Sign: Kilo - Juliet - Xray - Zulu
  • Launched (date unknown)
  • Completed and delivered to J.R. Hanify, San Francisco, CA. in 1902
  • Purchased by the Navy from her owners, Hobbs, Wall & Co., San Francisco, CA. circa 1942-43
  • Initially assigned the designation of Yard Patrol Craft YP-528
  • Converted to a Degaussing Vessel
  • Commissioned USS YDG-4, date unknown
  • Assigned to the Pacific Service Force
  • Ran aground and sunk at Bulari Passage, New Caledonia, 1 October 1943
  • Struck from the Naval Register, date unknown
    Specifications:
    Displacement 318 t.(lt) 497 t.(fl)
    Length 166'
    Beam 34'
    Draft 12'
    Speed unknown
    Complement unknown
    Armament unknown
    Propulsion two cylinder compound engine, 400hp, single shaft
    Click On Image
    For Full Size Image    		Size Image Description Source
    YDG-4 174k Forward plan view of YDG-4 in San Francisco, 29 March 1943. Note, she still carries her civilian name Santa Monica carved into her bow.
    Navy Yard Mare Island photo # 2109-3-43, 3/29/43.    		 Darryl Baker
    YDG-4 87k Stern view of YDG-4 underway off San Francisco, 29 March 1943. Note, San Francisco - Oakland Bay Bridge is in the background.
    Navy Yard Mare Island photo # 2112-3-43, 3/29/43.    		 Darryl Baker
    YDG-4 106k Broadside view of YDG-4 underway off San Francisco, 29 March 1943. Note, San Francisco - Oakland Bay Bridge is in the background.
    Navy Yard Mare Island photo # 2114-3-43, 3/29/43.    		 Darryl Baker
    There is no DANFS history available for YDG-4 at Navsource
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation
    Fleet Reserve Association
    Additional Resources and Web Sites of Interest
    No Information Available
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    This page is created and maintained by Gary P. Priolo
    © 2005 Gary P. Priolo © 1996 - 2008 NavSource Naval History. All Rights Reserved.
    Last Updated 16 March 2007