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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - Charlie - Mike - Charlie


SC-497 Class Submarine Chaser:

  • Laid down 20 August 1942 by the George W. Kneass Co., San Francisco, CA
  • Launched 9 December 1942
  • Commissioned USS PC-990, 10 March 1943
  • Reclassified SC-990 in April 1943
  • Participated in the invasion of the Gilbert Islands in November 1943
  • Decommissioned in December 1945
  • Struck from the Naval Register 3 January 1946
  • Transferred to the Maritime Commission 9 March 1948
  • Acquired in 1948 by the West Coast Steamship Co. of Los Angeles, CA for use as a tug boat and named Del Norte
  • Acquired in 1950 by Arthur D. Penberthy of Los Angeles
  • Acquired in 1952 by Donald A. Bervin of Vancouver, British Columbia, Canada and renamed Gloria
  • Acquired in 1953 by the Tulloch Fisheries, Ltd. of Vancouver, renamed Randy and chartered to Dola Towing for Squamish [British Columbia] Pacific Great Eastern Rail barges
  • Acquired in 1970 by Francis Millerd and Co., Ltd. of Vancouver and renamed G. N. Carrier
  • Acquired in 1987 by Jerome L. Davis of West Vancouver
  • 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 "K 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-990 82k Randy Joe Radigan

    Commanding Officers
    01LTJG Daniel J. Callaghan, Jr., USNR10 March 1943
    02LT Theodore E. Olsen, USNRNovember 1943
    03ENS Arthur S. Tarlow, USNR1945 - December 1945
    Courtesy of Joe Radigan and Wolfgang Hechler

    There is no DANFS history available for SC-990
    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 and maintained by Tom Bateman
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