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 - Able - Love - Item


SC-497 Class Submarine Chaser:

  • Laid down 15 July 1941 by the Vineyard Ship Building Co., Milford, DE
  • Launched 18 April 1942
  • Commissioned PC-520, 31 May 1942 under the command of LTJG William A. Saleebey, USNR
  • Operated in the Pacific between Pearl Harbor and Midway Island in the Hawaiian archipelago
  • Reclassified SC-520 in April 1943
  • Decommissioned 28 NOvember 1945
  • Struck from the Naval Register 19 December 1945
  • Transferred to the Maritime Commission 25 September 1947
  • Acquired in 1955 by the National Metal and Steel Corp. of Terminal Island, Los Angeles, CA for use as a fishing boat and named Visitor I
  • Out of documentation in 1960
  • 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-497 161k Exploded view of SC-497 class Subchaser. © 1997 Theodore R. Treadwell

    There is no DANFS history available for SC-520
    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 and maintained by Joseph M. Radigan
    All pages copyright NavSource Naval History