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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - Able - Peter - William

SC-524 served the Navies of the United States and France.

SC-497 Class Submarine Chaser:

  • Built by Mathis Yacht Building Co., Camden, NJ (YN 251)
  • Ordered, 01 April 1941 (contract NOS-83549)
  • Laid down, 29 May 1941
  • Launched, 19 September 1941
  • Commissioned, USS PC-524, 13 April 1942
  • Reclassified SC-524, April 1943
  • Transferred to France as Tirailleur (CH 101) at Toulon, 06 October 1944
  • Later renumbered M 690, CH 690 and P 690
  • Withdrawn from service, 02 January 1958
  • Final disposition, scrapped 1967


  • Displacement 148 tons
  • Length 110' 10"
  • Beam 17'
  • Draft 6' 6"
  • Speed 15.6 knots
  • Complement 28
  • Armament: One 40mm mount, two .50 cal. machine guns, two depth charge projector "Y Guns," and two depth charge tracks
  • Propulsion: Two 880bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click On Image
    For Full Size Image
    Size Image Description Source
    161k Exploded view of SC-497 class Subchaser. © 1997 Theodore R. Treadwell
    FNS Chasseur 111
    98k Chasseur 101 moored in a nest alongside an unidentified battleship at Toulon, probably in the early 1950s.
    French Navy photos courtesy of Jacques Druel
    Jacques Druel

    There is no DANFS history available for SC-524
    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

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    This page was created by Joseph M. Radigan and is maintained by David L. Wright
    All pages copyright NavSource Naval History
    Last Updated 03 December 2023