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NavSource Online: Frigate Photo Archive

Annapolis (PF 15)



Call sign:
Nan - Fox - Fox - Yoke

ex-PG-123


Annapolis served the Navies of the United States and Mexico.

Tacoma Class Patrol Frigate:

  • Originally designated a Patrol Gunboat, PG-123
  • Redesignated as a Patrol Frigate, PF-15, 15 April 1943
  • Laid down, 20 May 1943 as a Maritime Commission type (S2-S2-AQ1) hull under a Maritime Commission contract at American Shipbuilding Co., Lorain, OH
  • Launched, 16 October 1943
  • Commissioned USS Annapolis (PF-15), 4 December 1944
  • Decommissioned, 29 May 1946 at Seattle, WA
  • Struck from the Navy Register, 19 June 1946
  • Custody transferred in November 1947 to U.S. State Department, Foreign Liquidation Commission for disposal
  • Transferred to Mexico 24 November 1947 as ARM General Vicente Guerrero
  • Renamed ARM Rio Usumacinta
  • Scrapped in 1964.

    Specifications

  • Displacement 1,430 t.
  • Length, 303' 11"(oa)
  • Bean 37' 6"
  • Draft 13' 8"
  • Speed 20.3 kts.
  • Complement 190
  • Armament: Three 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 racks
  • Propulsion: Two 3-drum express type boilers, two 5,500ihp J. Hendy Iron Works vertical triple expansion steam engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Annapolis (PF 15)
    Annapolis 68k Preparing for launching. Historical Collections of the Great Lakes
    Annapolis 98k Being launched at the American Shipbuilding Co., Lorain, OH, 16 October 1943.
    US Navy photo # NH 66293
    Tom Kermen
    ARM Rio Usumacinta
    Annapolis 47k c. 1953
    Mexican Navy photo
    Robert Hurst
    Annapolis 68k Mexican Navy photo from the 1958/1959 edition of Jane's Fighting Ships

    View the Annapolis (PF-15)
    DANFS history entry located on the Haze Gray & Underway website
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