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NavSource Online:
Submarine Chaser Photo Archive


PC-544 served the Navies of the United States and Brazil

PC-461 Class Submarine Chaser:

  • Laid down 24 March 1942 by the Defoe Boat and Motor Works, Bay City, MI
  • Launched 30 May 1942
  • Commissioned USS PC-544, 5 June 1942
  • Transferred to Brazil 24 September 1942 and Guaporé (CS 1) at Natal, Brazil
  • Reclassified G-1 after World War II
  • Decommissioned 4 January 1958
  • Transferred to the Brazilian Army 5 February 1958 to serve as a munitions transport
  • Fate unknown.


  • Displacement 280 t.(lt), 450 t.(fl)
  • Length 173' 8"
  • Beam 23'
  • Draft 10' 10"
  • Speed 20.2 kts.
  • Complement 65
  • Armament: One 3"/50 dual purpose gun mount, three 20mm guns, two Mousetrap depth charge projectors, four K-gun depth charge projectors and two depth charge tracks
  • Propulsion: Two 2,880bhp General Motors 16-258S diesel engines (Serial No. 6355 and 6356), Farrel-Birmingham single reduction gear, two shafts.

    Click on thumbnail
    for full size image
    Size Image Description Source
    USS PC-544
    PC-544 114k National Archives photo Dan Treadwell
    PC-544 127k PC-544 inboard of PC-547
    National Archives photo
    PC-544 147k
    Guaporé (G 1)
    PC-544 68k Bob Daly/PC-1181

    Additional Resources and Websites 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 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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