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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - William - Mike - Zebra


SC-497 Class Submarine Chaser:

  • Laid down 27 January 1942 by the Mathis Yacht Building Co., Camden, NJ
  • Launched 19 June 1942
  • Commissioned USS PC-631, 19 August 1942
  • Reclassified SC-631 in April 1943
  • Decommissioned in November 1945
  • Struck from the Naval Register 19 December 1945
  • Transferred to Maritime Commission 5 March 1948
  • Acquired in 1950 by Theron S. Cederlund of Sausalito, CA for use as a fishing boat and named Telesis
  • Converted to a yacht in 1967
  • Acquired in 1970 by Edgar V. Rombauer of Seattle, WA and renamed Phoenix
  • Acquired in 1983 by Don W. Cole of Seattle
  • Out of documentation in 1987
  • Fate unknown.


  • Displacement 83 t.
  • Length 110' 10"
  • Beam 17' 9"
  • Draft 6' 6"
  • Speed 21 kts.
  • Complement 28
  • Armament: One 40mm gun mount, one/two twin mount .50 cal. machine guns, two/three depth charge projector "K Guns," 14 depth charges with six single release chocks and two sets Mk 20 Mousetrap
    rails with four 7.2 projectiles
  • 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
    SC-631 84k c. October 1944
    Leyte Gulf, Philippines
    Alongside USS Erben (DD 631)
    Theodore Wojcik

    Commanding Officers
    01LT Richard E. Warner, USNR19 August 1942
    02LTJG T. W. White, USNR1945
    Courtesy Joe Radigan

    There is no DANFS history available for SC-631
    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 by Joseph M. Radigan
    All pages copyright NavSource Naval History