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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - William - Tare - Mike


SC-661 served the Navies of the United States and the Soviet Union.

SC-497 Class Submarine Chaser:

  • Laid down 30 December 1941 by the Burger Boat Co., Manitowoc, Wisconsin
  • Launched 26 June 1942
  • Commissioned USS PC-661, 26 October 1942
  • Reclassified SC-661 in April 1943
  • Transferred to the Soviet Union 25 May 1945 and reclassified BO-303
  • Assigned to the Soviet Pacific Fleet 8 June 1945
  • Participated in the landing of troops in Rasin (Najin), North Korea on 12 August 1945 and Maoku (Kholmsk), Sakhalin Island, Japan on 20 August 1945
  • Awarded the Order of the Red Banner 25 September 1945
  • Placed out of service 1 February 1954 and scrapped.


  • Displacement 148 t.
  • Length 110' 10"
  • Beam 17'
  • Draft 6' 6"
  • Speed 21 kts.
  • Complement 28
  • Armament: One 40mm gun mount, two .50 cal. machine guns, two depth charge projector "Y Gun," and two depth charge racks
  • 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-661 85k Photographed during World War II.
    Courtesy of William H. Davis, 1977
    U.S. Navy photo NH 85415
    Naval Historical Center
    SC-661 183k Photographed by her builder, Burger Boat Co., Manitowoc, Wisconsin, on 6 October 1942
    U.S. Navy photo NH 96483
    SC-661 85k 6 October 1942 Robert Hurst
    SC-661 440k 6 October 1942
    Photo from U. S. Small Combatants: An Illustrated Design History by Norman Friedman

    There is no DANFS history available for SC-661
    Additional Resources and Web Sites of Interest
    Patrol Craft Sailors Association
    "Subchaser in the South Pacific"
    by J. Henry Doscher, CAPT, USN, Ret.
    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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