Air of Authority - A History of RAF Organisation
Fighter Command - January 1940
No 11 (Fighter) Group (HQ - Uxbridge)
| Unit | Location |
| RAF Station Biggin Hill | Biggin Hill, Kent |
| No 32 (Fighter) Sqn (Hurricanes) | RAF Biggin Hill |
| RAF Station Kenley | Kenley, Surrey |
| No 3 (Fighter) Sqn (Hurricanes) | RAF Kenley |
| RAF Station Croydon | Croydon, Middlesex |
| No 145 (Fighter) Sqn* (Blenheims) | RAF Croydon |
| No 92 (Fighter) Sqn* (Blenheims) | RAF Croydon |
| RAF Station Filton | Filton, Bristol |
| No 263 (Fighter) Sqn* (Gladiators) | Filton |
| No 2 Ferry Pilots Pool (Maintenance Command) (Ansons) | Filton |
| RAF Station Hendon | Hendon, Middlesex |
| No 24 Sqn (Various) | RAF Hendon |
| RAF Station Hornchurch | Hornchurch, Essex |
| No 74 (Fighter) Sqn (Spitfires) | RAF Hornchurch |
| No 54 (Fighter) Sqn (Spitfires) | RAF Hornchurch |
| Care & Maintenance Party | Castle Bromwich |
| RAF Station North Weald | North Weald, Essex |
| No 56 (Fighter) Sqn (Hurricanes) | RAF North Weald |
| No 151 (Fighter) Sqn (Hurricanes) | RAF North Weald |
| No 25 (Fighter) Sqn (Blenheims) | RAF North Weald |
| RAF Station Northolt | Northolt, Middlesex |
| No 65 (Fighter) Sqn (Spitfires) | RAF Northolt |
| No 604 (County of Middlesex) (Fighter) Sqn AAF (Blenheims) | RAF Northolt |
| No 253 (Fighter) Sqn* (Hurricanes) | RAF Northolt |
| RAF Station Manston | Manston, Kent |
| No 600 (City of London) (Fighter) Sqn AAF (Blenheims) | RAF Manston |
| No 79 (Fighter) Sqn | RAF Manston |
| RAF Station Tangmere | Tangmere, Sussex |
| No 601 (Country of London) (Fighter) Sqn AAF (Blenheims) | RAF Tangmere |
| No 501 (County of Gloucester) (Fighter) Sqn AAF (Hurricanes) | RAF Tangmere |
*Non-operational
No 12 (Fighter) Group (HQ - Hucknall)
| Unit | Location/Administered by |
| RAF Station Debden | Debden, Essex |
| No 29 (Fighter) Sqn (Blenheims) | RAF Debden |
| No 504 (County of Nottingham) (Fighter) Sqn AAF (Hurricanes) | RAF Debden |
| RAF Station Digby | Digby, Lincolnshire |
| No 46 (Fighter) Sqn (Hurricanes) | RAF Digby |
| No 611 (West Lancashire) (Fighter) Sqn AAF (Spitfires) | RAF Digby |
| No 229 (Fighter) Sqn* (Blenheims) | RAF Digby |
| Care & Maintenance Party | RAF Speke |
| RAF Station Doncaster | Doncaster, West Riding of Yorkshire |
| No 271 (Transport) Sqn (Various) | RAF Doncaster |
| RAF Station Duxford | Duxford, Cambridgeshire |
| No 19 (Fighter) Sqn (Spitfires) | RAF Duxford |
| No 66 (Fighter) Sqn (Spitfires) | RAF Duxford |
| No 222 (Fighter) Sqn* (Blenheims) | RAF Duxford |
| RAF Station Hucknall | Hucknall, Nottingham |
| No 98 (R) (Bomber) Sqn (Battles) | RAF Hucknall |
| No 1 Ferry Pilots Pool (Ansons) (Maintenance Command) | RAF Hucknall |
| RAF Station Martlesham Heath | Martlesham Heath, Suffolk |
| No 17 (Fighter) Sqn (Hurricanes) | RAF Martlesham Heath |
| No 264 (Fighter) Sqn* (Defiants) | RAF Martlesham Heath |
| No 266 (Fighter) Sqn* (Spitfires) | RAF Martlesham Heath |
| RAF Station Wittering | Wittering, Leicestershire |
| No 23 (Fighter) Sqn (Blenheims) | RAF Wittering |
| No 213 (Fighter) Sqn (Hurricanes) | RAF Wittering |
| No 610 (County of Chester) (Fighter) Sqn AAF (Spitfires) | RAF Wittering |
*Non-operational
The following changes to the above took place before the issue of the next SD161
| Change | Note |
| No 254 Sqn at Sutton Bridge was transferred to No 16 Group at RAF Bircham Newton | AL2, Feb 1940 |
No 13 (Fighter) Group (HQ - Newcastle)
| Unit | Location |
| RAF Station Acklington | Acklington, Alnwick, Northumberland |
| No 152 (Fighter) Sqn (Spitfires) | RAF Acklington |
| No 72 (Fighter) Sqn (Spitfires) | RAF Acklington |
| RAF Station Catterick | Catterick, North Riding of Yorkshire |
| No 41 (Fighter) Sqn (Spitfires) | RAF Catterick |
| No 219 (Fighter) Sqn* (Blenheims) | RAF Catterick |
| Care & Maintenance Party | RAF Usworth |
| Care & Maintenance Party | Yeadon |
| Station Flight | Yeadon |
| RAF Station Church Fenton | Church Fenton, West Riding of Yorkshire |
| No 64 (Fighter) Sqn (Blenheims) | RAF Church Fenton |
| No 242 (Fighter) Sqn* (Hurricanes) | RAF Church Fenton |
| No 141 (Fighter) Sqn* (Blenheims) | RAF Grangemouth |
| RAF Station Drem | Drem, East Lothian |
| No 602 (City of Glasgow) (Fighter) Sqn AAF (Spitfires) | RAF Drem |
| No 609 (West Riding) (Fighter) Sqn AAF (Spitfires) | RAF Drem |
| RAF Station Leconfield | Leconfield, Beverley, East Riding of Yorkshire |
| No 616 (South Yorkshire) (Fighter) Sqn AAF* (Spitfires) | RAF Leconfield |
| No 234 (Fighter) Sqn* (Blenheims) | RAF Leconfield |
| No 245 (Fighter) Sqn* (Blenheims) | RAF Leconfield |
| No 603 (City of Edinburgh) (Fighter) Sqn AAF (Spitfires) | RAF Dyce - Station in Coastal Command |
| No 605 (County of Warwick) (Fighter) Sqn AAF (Hurricanes) | RAF Wick - Station in Coastal Command |
| No 43 (Fighter) Sqn (Hurricanes) | RAF Wick - Station in Coastal Command |
| No 111 (Fighter) Sqn (Hurricanes) | RAF Wick - Station in Coastal Command |
*Non-operational
No 22 (Army Co-operation) Group (HQ - Farnborough)
| Unit | Location |
| RAF Station Odiham | Odiham, Hampshire |
| No 613 (City of Manchester) (Army Co-operation) Sqn AAF* (Hector) | RAF Odiham |
| No 614 (County of Glamorgan) (Army Co-operation) Sqn AAF* (Lysander) | RAF Odiham |
| No 225 (Army Co-operation) Sqn* (Lysander) | RAF Odiham |
| Care & Maintenance Party | Cardiff |
| FAA Sqn (Swordfish) | Cardiff |
| RAF Station Old Sarum | Old Sarum, Wiltshire |
| No 1 School of Army Co-operation (Hectors/Lysanders) | RAF Old Sarum. |
| No 110 Sqn RCAF* (Lysander) | RAF Old Sarum. |
| RAF Station Andover | Andover, Hampshire |
| RAF Staff College | RAF Andover |
| No 2 School of Army Co-operation (Ansons) | RAF Andover |
| Army Co-operation Reservoir (Blenheims) | RAF Andover |
| RAF Station Squires Gate | Squires Gate, Blackpool, Lancashire |
| 'F' Flight, No 1 AACU (Henleys) | RAF Squires Gate |
| No 9 Air Observers Navigation School (Various) | RAF Squires Gate |
| RAF Station Ringway | Ringway, Manchester, Lancashire |
| No 110 AACU Wing | RAF Ringway |
| RAF Station Hawkinge | Hawkinge, Kent |
| No 16 (Army Co-operation) Sqn (Lysander) | RAF Hawkinge |
| RAF Station Farnborough | Farnborough, Hampshire |
| Royal Aircraft Establishment | RAF Farnborough |
| School of Photography | RAF Farnborough |
| HQ, No 1 AACU | RAF Farnborough |
*Non-operational
The following changes to the above took place before the issue of the next SD161
| Change | Note |
| No 254 Sqn at Sutton Bridge was transferred to No 16 Group at RAF Bircham Newton | AL2, Feb 1940 |
| No 3 School of Technical Training formed/moved to RAF Squires Gate | AL2, Feb 1940 |
No 22 Group was also responsible for the flights No 1 Anti-Aircraft Co-operation Unit, located as follows: -
| Flight(s) | Location | To work with the range at |
| HQ | RAF Farnborough | |
| A | RAF Weston Zoyland | Watchet |
| B | RAF Carew Cheriton - Station in Coastal Command | Manorbier |
| C J |
RAF Penrhos - Station in Training Command | 'Towyn Ty-Croes |
| D G V |
RAF Cleave | Penhale Sands Cleave Cleave |
| E | RAF West Freugh - Station in Training Command | Burrow Head |
| F | RAF Squires Gate | Cark |
| W | RAF Kidsdale | Burrow Head |
| X & Z | RAF Watchet | Watchet |
| Y | RAF Manorbier | Manorbier |
Note - Flights 'A' - 'J' - Towing Flights, Flights 'V' - 'Z' - Pilotless Aircraft Flights
Operational Training Units/Miscellaneous Units
| Unit | Location |
| No 5 OTU (Spitfires/Blenheims) | RAF Aston Down |
| No 6 OTU (Hurricanes) | RAF St Athan |
| No 1 Camouflage Unit (Various) | Baginton (being transferred to Training Command) |
| Photographic Development Unit (Various) | Heston |
| Air Ministry Unit | London |
| Voice Production Unit | Cambridge |
Source - SD161 (2nd Issue), January 1940
County names used are those in use at the time
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