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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - Xray - George - Sugar


SC-497 Class Submarine Chaser:

  • Laid down 7 April 1942 by the Harbor Boat Building Co., Terminal Island, CA
  • Launched 23 July 1942
  • Commissioned PC-725, 1 January 1943
  • Reclassified SC-725 in April 1943
  • Decommissioned in December 1945 at San Francisco, CA
  • Struck from the Naval Register 21 January 1946
  • Transferred to the Maritime Commission 16 December 1946
  • Acquired in 1948 by the Atlantic and Pacific Packing Co., Inc. of Astoria, OR for use as a fishing boat and named Miss April
  • Renamed Islander 17 August 1951
  • Acquired in 1954 by Stanley S. Dahl of Seattle, WA
  • Acquired in 1957 by Duncan E. MacAllister of Everett, WA
  • Out of documentation in1986
  • Fate unknown.


  • Displacement 148 t.
  • Length 110' 10"
  • Beam 17'
  • Draft 6' 6"
  • Speed 15.6 kts.
  • 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 thumbnail
    for full size image
    Size Image Description Source
    SC-725 121k . MA3 Paul Cummings
    SC-725 113k Enlargement of above photo
    SC-725 176k .
    SC-725 196k Christmas poem

    Commanding Officers
    01LTJG Donald F. Ulrich, USNR1 January 1943
    02LTJG G. E. Smith, Jr., USNR1945
    Courtesy of Joe Radigan

    There is no DANFS History currently available for SC-725
    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