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No. 684 Squadron RAF
Active 29 Sep 1943 - 1 Sep 1946
Country United Kingdom United Kingdom
Branch Ensign of the Royal Air Force.svg Royal Air Force
Type Inactive
Role Photo-Reconnaissance
Motto Latin: Invisus Videns
("Seeing through unseen")[1]
Squadron Badge A mask

No. 684 Squadron RAF was a photo-reconnaissance squadron of the Royal Air Force from 1943 to 1946.



The squadron was formed on 29 September 1943 at Dum Dum near Calcutta, India from elements of No. 681 Squadron RAF.[1] It operated in the photo-reconnaissance role with the De Havilland Mosquito and the North American Mitchell. The squadron performed long range photo-reconnaissance in support of the Burma Campaign. Near the end of the war the squadron also performed high-speed courier flights. It was disbanded on 1 September 1946 at RAF Seletar by being renumbered to No. 81 Squadron RAF.

Aircraft operated

From To Aircraft Version
Sep 1943 Sep 1945 North American Mitchell Mk.II (B-25C)
Sep 1943 Dec 1943 De Havilland Mosquito Mk.II
Sep 1943 Feb 1944 De Havilland Mosquito Mk.VI
Oct 1943 Feb 1945 De Havilland Mosquito Mk.IX
Feb 1944 May 1946 De Havilland Mosquito Mk.XVI
May 1945 Jul 1945 Bristol Beaufighter Mk.VI
Jul 1945 Sep 1946 de Havilland Mosquito Mk.XXXIV
Jul 1945 Jul 1946 Bristol Beaufighter Mk.X
Dec 1945 Sep 1946 Supermarine Spitfire PR.XI, PR.XIX


Squadron bases

From To Base Remark
29 Sep 1943 9 Dec 1943 Dum Dum, India Formed here
9 Dec 1943 31 Jan 1944 Comilla, India
31 Jan 1944 5 May 1944 Dum Dum, India
5 May 1944 11 Oct 1945 Alipore, India
11 Oct 1945 27 Jan 1946 Saigon, Tan Son Nhut Air Base, Vietnam
27 Jan 1946 Aug 1946 Don Muang, Thailand
Aug 1946 1 Sep 1946 RAF Seletar, Singapore Disbanded here


Commanding officers

From To Name
Sep 1943 Dec 1943 S/Ldr. B.S. Jones
Dec 1943 Nov 1944 W/Cdr. W.B. Murray
Nov 1944 Nov 1945 W/Cdr. W.E.M. Lowry, DFC
Nov 1945 Apr 1946 W/Cdr. K.J. Newman, DFC and Bar (New Zealand)
Apr 1946 Sep 1946 W/Cdr. J.R.H. Merrifield, DSO, DFC and Bar


See also




  1. ^ a b c d Halley 1988, p. 455.
  2. ^ a b c Rawlings 1982, p. 247.
  3. ^ a b Jefford 2001, p. 105.
  4. ^ Bowyer 1984, p. 132.


  • Bowman, Martin. Mosquito Photo-Reconnaissance Units of World War 2. Oxford, UK: Osprey Publishing, 1999. ISBN 1-85532-891-4.
  • Bowyer, Chaz. Mosquito Squadrons of the Royal Air Force. London: Ian Allan Ltd., 1984. ISBN 0-71101425-6.
  • Halley, James J. The Squadrons of the Royal Air Force & Commonwealth, 1918-88. Tonbridge, Kent, UK: Air-Britain (Historians) Ltd., 1988. ISBN 0-85130-164-9.
  • Jefford, Wing Commander C.G., MBE,BA,RAF (Retd). RAF Squadrons, a Comprehensive Record of the Movement and Equipment of all RAF Squadrons and their Antecedents since 1912. Shrewsbury, Shropshire, UK: Airlife Publishing, 2001. ISBN 1-84037-141-2.
  • Rawlings, John D.R. Coastal, Support and Special Squadrons of the RAF and their Aircraft. London: Jane's Publishing Company Ltd., 1982. ISBN 0-7106-0187-5.

External links

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