
INITIAL STRENGTH OF PFF
August 1942
7 Squadron
Base: OAKINGTON, 1940 onwards
Aircraft: Stirling, converted to Lancaster from July 1943
35 Squadron
Base: GRAVELEY, 1942 onwards
Aircraft: Halifax, converted to Lancaster from March 1944
83 Squadron
Base: WYTON, August 1942 ** ‘loaned’ to 5 Group, April 1944, Coningsby
Aircraft: Lancaster
109 Squadron
Base: WYTON, then MARHAM, then LITTLE STAUGHTON
Aircraft: Mosquito (Wellingtons prior to August 1942)
156 Squadron
Base: WARBOYS, then UPWOOD from March 1944 onwards
Aircraft: Wellington, converted to Lancaster from January 1943

INCREASED STRENGTH OF PFF (now 8 Group)
April 1943
97 Squadron
Base: BOURN ** ‘loaned’ to 5 Group, April 1944, Coningsby
Aircraft: Lancaster
405 Squadron
Base: GRANSDEN LODGE
Aircraft: Halifax, converted to Lancaster from August 1943 onwards
1409 Met Flight
Base: OAKINGTON, then WYTON from January 1944 onwards
Aircraft: Mosquito
June 1943
105 Squadron
Base: MARHAM, then BOURN from April 1944 onwards
Aircraft: Mosquito
July 1943
139 Squadron
Base: WYTON, then UPWOOD from April 1944 onwards
Aircraft: Mosquito
November 1943
627 Squadron
Base: OAKINGTON ** ‘loaned’ to 5 Group, April 1944, Woodhall Spa
Aircraft: Mosquito
March 1944
635 Squadron
Base: DOWNHAM MARKET
Aircraft: Lancaster
April 1944
571 Squadron
Base: DOWNHAM MARKET, then OAKINGTON from April 1944 onwards
Aircraft: Mosquito
582 Squadron
Base: LITTLE STAUGHTON
Aircraft: Mosquito
August 1944
608 Squadron
Base: DOWNHAM MARKET
Aircraft: Mosquito
September 1944
128 Squadron
Base: WYTON
Aircraft: Mosquito
October 1944
142 Squadron
Base: GRANSDEN LODGE
Aircraft: Mosquito
December 1944
162 Squadron
Base: BOURN
Aircraft: Mosquito
January 1945
163 Squadron
Base: WYTON
Aircraft: Mosquito
692 Squadron
Base: GRAVELEY
Aircraft: Mosquito
The PFFNTU, the Pathfinders navigation training unit, was at UPWOOD from 1942, moving to WARBOYS in 1944.
1409 Met Flight was based at OAKINGTON when formed on 1 April 1943. On 8 January 1944, it moved to WYTON.