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Gunboat Photo Archive

USS Restless (PG 66)

Call sign:
Nan - Yoke - William - Love

ex-HMS Periwinkle (K 55)

Restless served the Navies of Great Britain and the United States.

British Flower Class Corvette/Temptress Class Patrol Gunboat:

  • Laid down by Harland and Wolff, Ltd., Belfast, Northern Ireland for the French Navy but taken over by Great Britain with the fall of France and named HMS Periwinkle (K 55)
  • Launched 21 February 1940
  • Transferred to the U.S. Navy and commissioned USS Restless (PG-66), 15 March 1942
  • Decommissioned 20 August 1945 at Chatham, England
  • Returned to the Royal Navy 26 August 1945
  • Struck from the Naval Register 17 September 1945
  • Sold into merchantile service in 1947 as SS Perilock
  • Scrapped in 1953 at Hong Kong.


  • Displacement 1375 t.
  • Length 205'
  • Beam 33'
  • Draft 14' 7"
  • Speed 16.5 kts.
  • Complement 90
  • Armament: Two 3"/50 dual purpose mounts, two 20mm guns, two twin .30 cal. Lewis machine guns, two depth charge tracks, four depth charge projectors and one hedgehog depth charge projector
  • Propulsion: Two 3-drum express boilers, 2,750ihp vertical triple expansion Harland and Wolff engine, one shaft.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Flower Class Corvette
    Flower Class Corvette 168k "Escort Vessel (Corvette) - (Flower Class) - With Extended Forecastle, Increased Sheer, & Fuller Lines Fwd." U.S. Navy preliminary design plan, copied from Smith Dock Co., Ltd., Drawing No. 232. This plan, dated April 1941, is for a modification of the British "Flower" class corvette. Scale of the original drawing is not given, but appears to be 1/16" = 1'. The original plan is in the 1939-1944 "Spring Styles Book" held by the Naval Historical Center.
    U.S. Navy photo S-511-30
    Naval Historical Center
    HMS Periwinkle (K 55)
    Periwinlke 78k On convoy patrol
    Imperial War Museum Admiralty Official Collection, by Tomlin H.W. (Lt), photo IWM (A 6089)
    Mike Green
    Periwinkle 79k On convoy patrol in September 1941 as seen from the sloop HMS Fowey (U 11)
    Imperial War Museum Admiralty Official Collection, by Beadell, S. J. (Lt), photo IWM (A 5521)
    USS Restless (PG 66)
    Restless 90k Margaret Walker
    Restless 47k Tommy Trampp

    View the Restless (PG-66)
    DANFS History entry located on the Haze Gray & Underway Website
    View the Scrapbook of Robert Harold Rush, CRM, USN
    Back to The Main Photo Index Back to the Patrol Craft/Gunboat/Submarine Chaser Index Back to the Patrol Gunboat (PG) Photo Index

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