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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - William - Yoke - Victor


SC-497 Class Submarine Chaser:

  • Laid down 27 April 1942 by the Annapolis Yacht Yard Inc., Annapolis, MD
  • Launched 15 August 1942
  • Commissioned PC-689, 2 November 1942
  • Reclassified SC-689 in April 1943
  • Decommissioned 24 January 1946
  • Struck from the Naval Register 7 February 1946
  • Transferred to the Maritime Commission 24 September 1946
  • Fate unknown.


  • 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 tracks
  • Propulsion: Two 1,540bhp General Motors (Electro-Motive Div.) 16-184A diesel engines, two shafts.
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    No image of SC-689 is available at this time

    There is no DANFS history available for SC-689
    History Addendum:


    She was laid down on 27 April 1942 by the Annapolis Yacht Yard, Inc., in Annapolis, Maryland. She was launched on 15 August 1942 and was commissioned as USS SC-689 on 2 November 1942 with her Coast Guard crew aboard. She was decommissioned and her Coast Guard crew removed on 24 January 1946. She was transferred to the Maritime Commission on 24 September 1946. She was struck from the Naval Register. Fate unknown.

    Her commanding officers were (list incomplete): LTJG Robert L. O'Connor, USCG (9 June 1944); LTJG Edward F. Cotter, USCG (24 August 1944); LTJG D. L. Courtois, USCG (14 April 1945); LTJG Daniel J. Lancaster, USCG (22 June 1945).

    SC-689's Official Coast Guard History


    The USS SC-689 was commissioned November 2, 1942, and a Coast Guard crew placed on board. On December 31, 1942, she was on training exercises at Casco Bay, Maine.


    Departing Casco Day, Maine, on January 25, 1943, for Argentia, Newfoundland, she remained on patrol duty there until April 28, 1943, when she departed with five other escorts for St. John's and on May 1, 1943, for Greenland, arriving at Gronne Dal on the 6th, departing on the 10th, with other escorts to search for a submarine. She remained on patrol duty in Arsuk Fjord, relieving SC-680 and SC-705 and other vessels until December 31, 1943.

    The SC-689 remained on patrol duty in Greenland May 1, when she departed, with 4 other escorts for Boston via Argentia, arriving on May 12, 1944. On June 16, 1944 she departed for Portland for training exercises. On June 24, 1944 with four other escorts, she departed Portland for Greenland, via Argentia, mooring at Gronne Dal on July 14, 1944. Here she remained on patrol duty until September 8, 1944, when she departed for St. John's in company with the MOHAWK [WPG-78] and SC-705, the MOHAWK towing the [HMT] STRATHELLA. On September 18, 1944, she departed St. John's with SC's 705 and 688 for Boston, via Argentia, arriving on the 24th.


    After 20 days availability at Boston the SC-689 got underway with SC-705 for Navy Section Base, Newport, R.I., where she was used as a target vessel until November 1, 1944. On that date she proceeded to Coast Guard Patrol Base, Port Everglades, Fort Lauderdale, Florida, where in laid sono-buoys and retrieved dummy projectiles in A/S operations. She remained on this duty for the rest of 1944.


    The SC-689 was decommissioned January 24, 1946.

    Taken from: United States Coast Guard. Statistical Division/Historical Section. Public Information Division. Transports and Escorts. V. (2 Vols.) Washington: Public Information Division, U.S. Coast Guard Headquarters, Volume 1, Escorts, Mar 1 1949, p. 173.

    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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