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NavSource Online:
Submarine Chaser Photo Archive

Racer (IX 100)
ex-SC-501
ex-PC-501

SC-501 served both the U. S. Coast Guard and Navy.
SC-497 Class Submarine Chaser: Laid down 29 April 1941 as PC-501 by the Seabrook Yacht Corp., Houston, TX; Launched, 24 January 1942; Reclassified SC-501, 8 April 1943; Acquired from the Coast Guard, 9 April 1943; Reclassified as a Unclassified Miscellaneous Vessel, IX-100, 21 April 1943; Named Racer, 3 May 1943; Placed in service, 27 May 1943; Placed out of service, 21 May 1946; Struck from the Naval Register, 5 June 1946; Sold, 20 December 1946. Fate unknown.

Specifications: 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 dcp "Y Gun," and two dct; Propulsion two 800bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear,
two shafts.

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Dictionary of American Naval Fighting Ships History: The second Racer (IX-l00) was laid down 29 April 1941 as PC-501 by Seabrook Yacht Corp., Houston, Tex.; launched 24 January 1942; changed to SC-501 8 April 1943; acquired by the Navy from the Coast Guard 9 April 1943; changed to IX-1OO 21 April 1943; named Racer 3 May 1943; and placed in service 27 May 1943.

Originally attached to the 14th Naval District for fleet use, wooden-hulled Racer was reassigned to ServRon 2, upon being placed in service, and for the remainder of her career operated under the direction of the Antisubmarine Warfare Unit Sound School, Pearl Harbor.

Racer was placed out of service 21 May 1946, struck from the Navy list 5 June 1946, and sold 20 December 1946 to Charles Marramore of Honolulu.
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