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NavSource Online:
Submarine Chaser Photo Archive


Call sign:
Nan - Uncle - Dog - Tare

PC-575 served the Navies of the United States and Thailand

PC-461 Class Submarine Chaser:

  • Laid down 24 February 1942 by the Dravo Corp., Pittsburgh, PA
  • Launched 5 May 1942
  • Commissioned USS PC-575, 8 August 1942
  • Rescued survivors of the U.S. freighter James Robertson, 7 July 1943 that was torpedoed by the German submarine U-185 and landed them at Trinidad 15 July 1943
  • Struck from the Naval Register 13 December 1946
  • Transferred to the Foreign Liquidation Commission in March 1947, sold to Thailand and named HTMS Thayanchon (PC 2)
  • Decommissioned 26 May 1982
  • Fate unknown.


  • Displacement 450 t.
  • Length 173' 8"
  • Beam 23'
  • Draft 10' 10"
  • Speed 20.2 kts.
  • Complement 65
  • Armament: One 3"/50 dual purpose gun mount, one 40mm gun mount, five 20mm guns, two Mk20 Mousetrap rocket launchers, and two depth charge tracks
  • Propulsion: Two 1,440bhp Hooven-Owen-Rentschler R-99DA diesel engines (Serial No. 6680 and 6681), Westinghouse single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    PC-575 104k c. 1969
    Royal Thai Navy photo
    Robert Hurst

    There is no DANFS history available for PC-575
    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 Submarine Chaser (PC) Photo Index

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    This page created by Joseph M. Radigan and maintained by Tom Bateman
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