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:
Submarine Chaser Photo Archive


Call sign:
Nan - Uncle - Baker - Baker


SC-497 served the Navies of the United States and France.

SC-497 Class Submarine Chaser:

  • Laid down 7 March 1941 by the Westergard Boat Works, Inc., Rockport, TX
  • Launched 4 July 1941
  • Commissioned USS PC-497, 15 April 1942
  • Reclassified SC-497 in April 1943
  • Transferred to France 18 March 1944 and reclassified CH-96
  • Permanently transferred to France 15 August 1944
  • Reclassified CH-724 in 1952
  • Reclassified P-724
  • Withdrawn from service 23 October 1980
  • Fate unknown.


  • Displacement 148 t.
  • Length 110' 10"
  • Beam 17'
  • Draft 6' 6"
  • Speed 15.6 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 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
    SC-497 161k Exploded view of SC-497 class Subchaser. © 1997 Theodore R. Treadwell
    SC-497 156k 30 October 1941
    National Archives photo
    Dan Treadwell
    SC-497 164k "I better get these scratches out before the Skipper sees them."
    National Archives photo

    There is no DANFS history available for SC-497
    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 Type Index Back to the 110' Submarine Chaser (SC) Photo Index

    Comments, Suggestions, E-mail Webmaster

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