No. 40 Group RAF

No. 40 Group RAF is a former Royal Air Force Maintenance group that was operational from 1 January 1939, throughout the Second World War and into the Cold War until 28 July 1961 within RAF Maintenance Command that dealt with equipment, barracks stores and motor transport storage.
No. 40 Group Communication Flight was operational until 1 May 1944 with duties taken over by the Maintenance Command Communication Squadron RAF.

Structure

November 1939 – HQ at Abingdon

1, 3, 4, 7, 14, 16, 25, 35, A, B, C, D, E, F, G, H, L & K

May 1941 – HQ at Andover

5, 6, 8, 9, 10, 12, 15, [No. No. 18 Maintenance Unit RAF|18 Maintenance Unit RAF|18], 19, 20, 22, 23, 24, 27, 29, 33, 37, 38, 39, 44, 45, 46, 47, 48, 51 & No. 52 Maintenance Unit RAF
RAF Hamble = No. 15 Ferry Pilots Pool ATA
Hatfield Aerodrome = No. 5 Ferry Pilots Pool ATA
RAF Hawarden = No. 3 Ferry Pilots Pool ATA
RAF Hullavington = No. 8 (Service) Ferry Pilots Pool RAF
RAF Prestwick = No. 4 Ferry Pilots Pool ATA
RAF Ratcliffe = No. 6 Ferry Pilots Pool ATA
RAF Ringway = No. 14 Ferry Pilots Pool ATA
Bristol (Whitchurch) Airport = 2 Ferry Pilots Pool ATA
RAF White Waltham = No. 1 Ferry Pilots Pool ATA

April 1942 – HQ at Andover

3, 7, 14, 16, 17, 25, 35, 55, 61, 62, 66, 69, 70, 72, 74, 79, 82, 201, 204, 99, 203, 217, A, B, E, F, L, R & S Maintenance Unit RAF

April 1943 – HQ at Andover

3, 5, 7, 14, 16, 17, 25, 35, 55, 61, 62, 66, 68, 69, 70, 72, 73, 74, 79, 87, 89, 99, 201, 203, 204, 205, 207, 208, 210, 211, 216, 228, 229, 232, 236, A, E, H & T Maintenance Unit RAF

July 1944 – HQ at Andover

3, 7, 14, 16, 17, 25, 35, 61, 62, 66, 68, 69, 70, 72, 73, 74, 79, 87, 89, 99, 203, 204, 205, 207, 208, 209, 210, 211, 212, 214, 216, 217, 220, 221, 225, 227, 230, 232, 236, 238, 239, 240 & No. 241 Maintenance Unit RAF

July 1945 – HQ at Andover

No. 56 Wing RAF – HQ at Annan:
* 3, 7, 14, 17, 35, 62, 68, 69, 70, 73, 74, 79, 87, 205, 208, 209, 210, 211, 212, 214, 217, 220, 225, 230, 232, 238, 239, 246 & No. 261 Maintenance Unit RAF
No. 55 Wing RAF – HQ at Eggington:
* 16, 25, 61, 66, 72, 89, 99, 203, 204, 207, 216, 221, 227, 236 & No. 241 Maintenance Unit RAF

April 1953 – HQ at Bicester

3, 5, 7, 8, 9, 10, 12, 14, 15, 16, 19, 20, 22, 23, 25, 27, 29, 33, 35, 38, 39, 44, 45, 47, 48, 51, 61, 66, 72, 90, 99, 216, 225, 236, 237 & No. 248 Maintenance Unit RAF
RAF Defford = Telecommunications Flying Unit RAF
RAF Felixstowe = Marine Aircraft Experimental Establishment
RAF Gosport = Aircraft Torpedo Development Unit
RAF Henlow = Parachute Test Unit
RAF Martlesham Heath = Armament and Instrument Experimental Unit RAF
RAF West Freugh = Bombing Trials Unit RAF

No. 42 (Maintenance) Group RAF

No. 42 Group RAF was formed on 1 January 1939 as an ammunition and fuel group. It headquarters was located at "Highwoods," Burghfield Common, near Reading, from September 1939 to 1945. It moved to Kidlington on 18 March 1946. It was disbanded into No. 40 Group RAF on 2 January 1956 while its headquarters was at RAF Kidlington.
November 1939 - HQ at Burghfield Common, Reading

2, 11, 21, [No. No. 28 Maintenance Unit RAF|28 Maintenance Unit RAF|28], 91, 92, 93, 94 & No. 95 Maintenance Unit RAF

May 1941 - HQ at Burghfield Common, Reading

2, 11, 21, 28, 36, 53, 91, 92, 93, 94, 95 & No. 98 Maintenance Unit RAF

April 1942 - Burghfield Common, Reading

2, 11, 21, 31, 28, 36, 53, 59, 64, 81, 91, 92, 94, 93, 95, 96, 98 & No. 100 Maintenance Unit RAF

April 1943 - HQ at Burghfield Common, Reading

2, 11, 21, 28, 31, 36, 53, 59, 64, 77, 80, 81, 91, 92, 93, 94, 95, 96, 98, 100, 202, 219 & No. 224 Maintenance Unit RAF

July 1944 - HQ at Burghfield Common, Reading

2, 11, 21, 28, 31, 36, 53, 59, 64, 77, 80, 81, 91, 92, 93, 94, 95, 96, 98, 100, 202, 219, 231, 233, 224, 243 & No. 244 Maintenance Unit RAF

July 1945 - HQ at Burghfield Common, Reading

2, 11, 21, 28, 31, 36, 53, 59, 64, 77, 80, 81, 91, 92, 93, 94, 95, 96, 98, 100, 202, 219, 224, 231, 233, 243, 244, 245 & No. 249 Maintenance Unit RAF

April 1953 - HQ at RAF Kidlington

2, 11, 21, 28, 31, 53, 91, 92, 93, 94, 95, 202, 243, 244, 277, 279, 280, 281 & No. 282 Maintenance Unit RAF