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NavSource Online:
Submarine Chaser Photo Archive

SC-521



Call sign:
Nan - Able - Mike - Uncle

Sunk 10 July 1945
SC-497 Class Submarine Chaser:

  • Laid down 5 May 1941 by the Annapolis Yacht Yard, Inc., Annapolis, MD
  • Launched 1 February 1942
  • Commissioned 15 April 1942
  • Foundered 10 July 1945 off Santa Cruz, Solomon Islands area.

    Specifications:

  • Displacement 148 t.
  • Length 110' 10"
  • Beam 17'
  • Draft 6' 6"
  • Speed 15.6 kts.
  • Complement 28
  • Armament: One 40mm gun mount, two .50 cal. machine guns, two depth charge projector "Y Gun," 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
    Commanding Officers
    01LT Grant H. Wyhkuis, USNRMay 1945
    Courtesy Joe Radigan
    There is no DANFS history available for SC-521
    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 created by Joseph M. Radigan and maintained by Tom Bateman
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