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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - William - Queen - Uncle


SC-497 Class Submarine Chaser:

  • Laid down 1 February 1942 by the Peterson Boat Works, Sturgeon Bay, WI
  • Launched 26 July 1942
  • Commissioned PC-645, 12 September 1942
  • Reclassified SC-645 in April 1943
  • Transferred to Maritime Commission 5 March 1948
  • Fate unknown.


  • Displacement 148 t.
  • Length 110' 10"
  • Beam 17'
  • Draft 6' 6"
  • Speed 21 kts.
  • Complement 28
  • Armament: One 40mm gun mount, two .50 cal. machine guns, two depth charge projector "Y Gun," and two depth charge tracks
  • Propulsion: Two 1,540bhp General Motors (Electro-Motive Div.) 16-184A diesel engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    No image of SC-645 is available at this time

    Commanding Officers
    01LTJG Robert P. Denniston, USN - Awarded the Navy Commendation Medal with Combat "V"
    Retired as Commander, USNR
    November 1942 - June 1943
    02LTJG W. M. Stark, USNR1945
    Courtesy of Joe Radigan

    There is no DANFS history available for SC-645
    Additional Resources and Web Sites of Interest
    Patrol Craft Sailors Association
    Back To The Main Photo Index Back to the Patrol Craft/Gunboat/Submarine Chaser Ship Index Back to the 110' Submarine Chaser (SC) Photo Index

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    This page created and maintained by Joseph M. Radigan
    All pages copyright NavSource Naval History