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NavSource Online: Frigate Photo Archive

Grand Rapids (PF-31)

Call sign:
Nan - Zebra - Victor - Roger


Tacoma Class Patrol Frigate:

  • (MC Type T. S2-S2-AQ1) Originally authorized as Patrol Gunboat, PG-139
  • Reclassified as a Patrol Frigate, PF-31, 15 April 1943
  • Laid down 30 July 1943 under a Maritime Commission contract by the Walter Butler Shipbuilding Co., Superior, Wisconsin
  • Launched 10 September 1943
  • Commissioned USS Grand Rapids (PF-31), 10 October 1944 at New Orleans, LA
  • Decommissioned 10 April 1946 at Boston, MA
  • Sold for scrap 14 April 1947 to Sun Shipbuilding and Dry Dock Co. of Chester, PA.


  • Displacement 1,430 t.
  • Length 303' 11"(oa)
  • Beam 37' 6"
  • Draft 13' 8"
  • Speed 20.3 kts.
  • Complement 176
  • Armament: Two 3"/50 dual purpose gun mounts, two twin 40mm gun mounts, nine 20mm guns, one Hedgehog depth charge projector, eight Y-gun depth charge projectors and two depth charge tracks
  • Propulsion: Two 3-drum express boilers, two 5,500 iHP Diamond Iron Works steam engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Grand Rapids 53k Receiving supplies via high line from Beaufort (PF 59) Joseph M. Lobo, ex-CM 2/c, USCG and
    Jordynne Olivia Lobo, ex-AG3, USNR.
    Grand Rapids 121k c. 1944
    Crew photo
    Tommy Trampp

    Commanding Officers
    01LCDR Theodore Francis Knoll, USCG10 October 1944 - 11 August 1945
    02LT Robert George Osterfelt, USCGR11 August 1945 - 19 August 1945
    03LT Johnson L. Hale, USCGR19 August 1945 - 17 September 1945
    04LT Robert George Osterfelt, USCGR17 September 1945 - 10 April 1946
    Courtesy Wolfgang Hechler, Ron Reeves and Robert J. Cressman

    View the Grand Rapids (PF-31)
    DANFS History entry located on the Haze Gray & Underway Website
    Back To The Main Photo Index Back To the Patrol Craft/Gunboat/Submarine Chaser Ship Index Back to the Patrol Gunboat (PG) Photo Index Back to the Patrol Frigate (PF) Photo Index

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