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NavSource Online: Frigate Photo Archive

HMS Caicos (K 505)

PF-77 served the United Kingdom and Argentina

Tacoma Class Patrol Frigate/British Colony Class Frigate:

  • (MC Type T. S2-S2-AQ1) Originally authorized as Patrol Gunboat, PG-185
  • Reclassified as a Patrol Frigate, PF-77, 15 April 1943
  • Laid down under a Maritime Commission contract at Welsh-Kaiser Co., Inc., Providence, RI
  • Assigned to the Royal Navy under the Lend-Lease Program and named Hannam
  • Renamed HMS Caicos (K 505) and launched 6 September 1943
  • Delivered and transferred to the Royal Navy 31 December 1943
  • Returned to U.S. custody 12 December 1945
  • Transferred to the Maritime Commission for disposal and sold for scrap in June 1946 to N. B. Walcott of New York, NY
  • Canceled scrapping and resold in July 1947 to Argentina and renamed Santisma Trinidad (P-34)
    Naval Vessel Register of 1 January 1949 lists sales date as July 1946
  • Reclassified as a Survey Ship by Argentine Navy in 1963 and renamed Comodoro Augusto Lasere (Q 9)
  • Scrapped in 1970.


  • Displacement 1,246 t.
  • Length 304'
  • Beam 37' 6"
  • Draft 14'
  • Speed 20 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 tracks
    1948 - Two 4.1" mounts, eight 40mm mounts, one Hedgehog and six depth charge tracks
  • Propulsion: Two 3-drum express boilers, two 5,500 iHP J. Hendy Iron Works engines, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    HMS Caicos (K 505)
    Hannam 80k

    The Turks and Caicos Islands are a British Overseas Territory consisting of the larger Caicos Islands and smaller Turks Islands, two groups of tropical islands in the Lucayan Archipelago of the Atlantic Ocean and northern West Indies

    Tommy Trampp
    Hannam 101k c. February 1944
    Photo taken from aircraft based at Royal Air Station HMS Osprey at Dunoon, Scotland
    Imperial War Museum Admiralty Official Collection, photo IWM (A 25636)
    Mike Green
    Hannam 74k Off Harwich, England on March 27, 1945
    Photo taken from aircraft based at Royal Air Station HMS Osprey at Dunoon, Scotland
    Imperial War Museum Admiralty Official Collection, by Russell, J.E. (Lt), photo IWM (A 27994)
    Hannam 83k 27 March 1945
    Imperial War Museum photo by Lt. J. E. Russell, Royal Navy from Allied Escort Ships of World War II by Peter Elliott
    Krlicbegovic Edib
    Bosnia & Hercegovina
    ARA Santisma Trinidad (P 34)
    Hannam 108k Photo from the Armada Argentina Website Robert Hurst
    Hannam 140k New York
    Awaiting handing over to the Argentine Navy
    Photo from the Armada Argentina Website
    Hannam 95k Underway off New York with the Empire State building in the background
    Photo from the Armada Argentina Website
    Hannam 169k Front cover of 1 March 1948 edition of the Maritime Reporter
    Photo from the Armada Argentina Website
    ARA Comodoro Augusto Lasere (Q 9)
    Hannam 38k c. 1965 Robert Hurst

    View the Hannam (PF-77)
    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 Type Index Back to the Patrol Gunboat (PG) Photo Index Back to the Patrol Frigate (PF) Photo Index

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