RAF Units
The Royal Air Force
Photographic Reconnaissance Squadrons

1939 - 1946




This page will be updated as fresh information is found



Western Europe

   No. 2 Camouflage Unit    Special Survey Flt.    212 Sqn    Photo Development Unit
   Photo Reconnaissance Unit    No. 1 PRU    540 Sqn    541 Sqn    542 Sqn    543 Sqn    544 Sqn    No. 3 PRU


Malta, Africa & Italy

   680 Sqn    682 Sqn    683 Sqn


India & South East Asia

   680 Sqn    681 Sqn    684 Sqn





Heston Flight

Squadron locations
Sept 1939 to Nov 1939 Heston
Aircraft used
Sept 1939 to Nov 1939 Lockheed 12A
Sept 1939 to Nov 1939 Beechcraft
Sept 1939 to Nov 1939 Blenheim IV
Oct 1939 to Nov 1939 Spitfire PR I

NOTE:- On 1st Nov 1939 Heston Flight was renamed No.2 Camouflage Unit


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No.2 Camouflage Unit

Squadron locations
Sept 1939 to Jan 1940 Heston
Aircraft used
Nov 1939 to Jan 1940 Lockheed 12A
Nov 1939 to Jan 1940 Blenheim IV
Nov 1939 to Jan 1940 Spitfire PR I
NOTE:- On 17th Jan 1940 No.2 Camouflage Unit was renamed the Photographic Development Unit

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Special Survey Flight (Detached from No.2 Camouflage Unit)

Squadron locations
Nov 1939 to Nov 1939 Lille/Seclin
Nov 1939 to Feb 1940 Coulommiers
Aircraft used
Nov 1939 to Feb 1940 Spitfire PR I

NOTE:- On 10th Feb 1940 the Special Survey Flight was renamed 212 Squadron


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212 Squadron

Squadron locations
Feb 1940 to Jun 1940 Coulommiers
Aircraft used
Feb 1940 to Jun 1940 Spitfire PR I

NOTE:- On 18th Jun 1940 212 Squadron was absorbed by the Photographic Development Unit/p>



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Photographic Development Unit

Squadron locations
Jan 1940 to Jul 1940 Heston
Aircraft used
Jan 1940 to Jun 1940 Lockheed 12A
Jan 1940 to Jul 1940 Spitfire PR I
Feb 1940 to Jul 1940 Hudson I
Jan 1940 to Jul 1940 Blenheim IV

NOTE:- On 8th Jul 1940 the Photographic Development Unit was renamed the Photographic Reconnaissance Unit



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Photographic Reconnaissance Unit

Squadron locations
Jan 1940 to Jul 1940 Heston
Aircraft used
Jan 1940 to Jun 1940 Lockheed 12A
Jan 1940 to Jul 1940 Spitfire PR I
Feb 1940 to Jul 1940 Hudson I
Jan 1940 to Jul 1940 Blenheim IV

NOTE:- On 16 Nov 1940 the Photographic Reconnaissance Unit was renamed No. 1 Photographic Reconnaissance Unit


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No. 1 Photographic Reconnaissance Unit (PRU)

Squadron locations
Nov 1940 to Dec 1941 Heston
Dec 1941 to Oct 1942 Benson
Aircraft used
Nov 1940 to Oct 1942 Spitfire PR I
Mar 1941 to Oct 1942 Spitfire PR IV
Nov 1940 to May 1941 Blenheim IV
Nov 1940 to Dec 1940 Hudson I
Jun 1941 to Oct 1942 Maryland I
Aug 1941 to Oct 1942 Mosquito PR I
Aug 1942 to Oct 1942 Mosquito PR IV

NOTE:- On 19th Oct 1942 No. 1 PRU was disbanded and its parts formed
into 540, 541, 542, 543 and 544 Squadrons


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540 (PR) Squadron

Squadron locations
Oct 1942 to Feb 1944 Leuchars, with detachments to Benson
Feb 1944 to Mar 1945 Benson, with detachments to Gibraltar,
Vagodnik, Dyce and Leuchars
Mar 1945 to Nov 1945/ Coulommiers
Aircraft used
Oct 1942 to Sept 1943 Mosquito PR IV
Jun 1943 to Dec 1944 Mosquito PR IX
Jun 1944 - Sept 1946 Mosquito PR XVI
Nov 1944 to Aug 1945 Mosquito PR 32
Nov 1944 to Jun 1946 Mosquito PR 34

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541 (PR) Squadron

Squadron locations
Oct 1942 to Sept 1946 Benson, with detachments to Mount Farm,
Leuchars, St Eval, Gibraltar and Lubeck
Aircraft used
Oct 1942 to Jul 1943 Spitfire PR IV
Nov 1942 to Dec 1942 Spitfire PR IX
Jan 1943 - Mar 1946 Spitfire PR XI
May 1944 to Jan 1945 Spitfire PR X
Jun 1944 to May 1945 Mustang III
Sept 1944 to Sept 1946 Spitfire PR XIX

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542 (PR) Squadron

Squadron locations
Oct 1942 to Aug 1945 Benson, with detachments to Mount Farm and Leuchars
Aircraft used
Oct 1942 to Jul 1943 Spitfire PR IV
Feb 1943 to Jul 1943 Spitfire PR IX
Feb 1943 - Aug 1945 Spitfire PR XI
Jun 1944 to Jun 1945 Spitfire PR X
Jun 1944 to Aug 1945 Spitfire PR XIX

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543 (PR) Squadron

Squadron locations
Oct 1942 to Oct 1943 Benson, with detachments to St. Eval,
Mount Farm and Leuchars
Aircraft used
Oct 1942 to Oct 1942 Spitfire PR IV
Nov 1942 to Oct 1943 Spitfire PR IX

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544 (PR) Squadron

Squadron locations
Oct 1942 to Oct 1945 Benson, with detachments to Gibraltor and Leuchars
Aircraft used
Oct 1942 to Apr 1943 Wellington Mk IV
Oct 1942 to Oct 1943 Spitfire PR IV
May 1943 to Oct 1943 Spitfire PR XI
Dec 1942 to Feb 1943 Maryland
Mar 1943 to Sept 1943 Mosquito PR IV
Sept 1943 to Mar 1945 Mosquito PR IX
Mar 1944 to Aug 1945 Mosquito PR XVI
Mar 1944 to Aug 1945 Mosquito PR 32
Jun 1945 to Oct 1945 Mosquito PR 34

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680 (PR) Squadron

Squadron locations
Feb 1943 to May 1943 Heliopolis, with detachments to Castel Benito,
Senem, Nicosia and Monastir
May 1943 to Dec 1943 Heliopolis, with detachments to Nicosia, Derna and Tocra
Dec 1943 to Aug 1944 Matariya, with a detachment at Lakatamia
Aug 1943 to Feb 1945 San Severo, with detachments at Matariya
Feb 1945 to jul 1946 Deversoir and a Detachment to Alippo
Aircraft used
Feb 1943 - May 1944 Spitfire PR IV
Feb 1943 - May 1944 Spitfire PR VI
Feb 1943 - Feb 1943 Beaufighter IC
Feb 1943 - Sept 1944 Lockheed Electra 'Cloudy Joe'
Feb 1943 - Jan 1945 Hurricane
Feb 1943 - May 1954 Spitfire PR IX
Aug 1943 - Sept 1946 Spitfire PR XI
Feb 1944 - may 1944 Baltimore
Feb 1944 - Sept 1946 Mosquito PR IX
Feb 1944 - Sept 1946 Mosquito PR XVI

NOTE:- Formed from 2 PRU. Disbanded 1st Sept 1946, renumbered as 13 Squadron


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681 (PR) Squadron

Squadron locations
Jan 1943 - Dec 1943 Dum Dum, Detachment to Alipore
Dec 1943 - Jan 1944 Chandina
Jan 1944 - May 1944 Dum Dum
May 1944 - Jun 1945 Alipore. Detachment to Imphal, Kaleymo,
Monywa and Mingalodon
Jun 1945 - Sept 1945 Mingalodon. Detachment to Alipore.
Sept 1945 - Dec 1945 Kai Tak
Aircraft used
Jan 1943 - Nov 1943 B-25 Mitchell
Jan 1943 - Nov 1943 Hurricane
Jan 1943 - Dec 1944 Spitfire PR IV
Oct 1943 - Aug 1946 Spitfire PR XI
Aug 1943 - Nov 1943 Mosquito PR VI
Aug 1943 - Nov 1943 Mosquito PR IX 
Aug 1945 - Aug 1946 Spitfire PR XIX

NOTE:- Formed from 3 PRU. Disbanded 1st Aug 1946, renumbered as 34 Squadron

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682 (PR) Squadron

Squadron locations
Feb 1943 - Jun 1943 Maison Blanche
Jun 1943 - Dec 1943 La Marsa
Dec 1943 - Sept 1944 San Severo. Detachments to Vasto, Pomigliano,
Alghero, Voltone, Borgo Biguglia, Le Luc, Malignano,
Valence and Lyon
Sept 1944 - Sept 1945 Peretola. Detachments to Dijon, Nancy and Hal Far
Aircraft used
Feb 1943 - Jul 1943 Spitfire PR IV
Feb 1943 - Sept 1945 Spitfire PR XI
Sept 1944 - Sept 1945 Spitfire PR XIX

NOTE:- Formed from 4 PRU. Disbanded 14th Sept 1945

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683 (PR) Squadron

Squadron locations
Feb 1943 - Nov 1943 Luqa
Nov 1943 - Dec 1943 La Marsa
Dec 1943 - Sept 1945 San Severo
Aircraft used
Feb 1943 - Jul 1943 Spitfire PR IV
Feb 1943 - Mar 1943 Spitfire PR IX
Feb 1943 - Sept 1945 Spitfire PR XI
May 1943 - Jun 1943 Mosquito PR IV
Sept 1944 - Sept 1945 Spitfire PR XIX

NOTE:- Formed from 'B' flight 69 Squadron. Disbanded 21st Sept 1945

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684 (PR) Squadron

Squadron locations
Sept 1943 - Dec 1943 Dum Dum
Dec 1943 - Jan 1944 Comilla
Jan 1944 - Apr 1944 Dum Dum
Apr 1944 - Oct 1945 Alipore. Detachments to Yelahanka, China Bay,
the Cocos Islands and Seletar
Aircraft used
Sept 1943 - Sept 1945 B-25 Mitchell
Sept 1943 - Dec 1943 Mosquito PR II
Sept 1943 - Dec 1944 Mosquito PR VI
Oct 1943 - Feb 1945 Mosquito PR IX
Feb 1944 - May 1946 Mosquito PR XVI
Jul 1945 - May 1946 Mosquito PR 34

NOTE:- Formed from 'C' flight 681 (PR) Squadron. Disbanded 1st Sept 1946.
Renumbered 81 Squadron

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