Units referred to in the production list:
| AAEE | Aeroplane & Armament Experimental Establishment |
| AAS | Air Armament School |
| ACSEA | Air Command SE Asia |
| ADF | Aircraft Delivery Flight |
| ADFU | Air Defence Flight Unit |
| ADU | Aircraft Delivery Unit |
| AEAF | Allied Expeditionary AF |
| AFDU | Air Fighting Development Unit |
| AFHQ | Air Force HQ |
| AFS | Advanced Flying School |
| AFTS | Advanced Flying Training School |
| AGME | Aircraft Gun Mounting Establishment |
| AGS | Air Gunners School |
| AIEU | Armament and Instrument Experimental Unit |
| ALS | Air Landing School |
| ANS | Air Navigation School |
| AOP | Air Observation Post |
| AOS | Air Observers School |
| APC | Armament Practice Camp |
| APS | Armament Practice Station |
| APU | Aircraft Preparation Unit |
| ASP | Air Stores Park |
| ASRTU | Air-Sea Rescue Training Unit |
| ASS | Air Signals School |
| ASU | Aircraft Storage Unit |
| ASWDU | Air-Sea Warfare Development Unit |
| ATC | Armament Training Camp |
| ATDU | Air Torpedo Development Unit |
| ATS | Armament Training Squadron |
| ATU | Armament Training Unit |
| BADU | Blind Approach Development Unit |
| BAFF | British Air Forces in France |
| BAFO | British Air Forces of Occupation (post WW2) |
| BANS | Basic Air Navigation School |
| BARU | British Airways Repair Unit (in Middle East) |
| BAS | Blind (later Beam) Approach School |
| BATDU | Blind Approach Training & Development Unit |
| BATF | Beam Approach Training Flight |
| BCBS | Bomber Command Bombing School |
| BCCF | Bomber Command Communications flight |
| BCDU | Bomber Command Development Unit |
| BCWS | Bomber Command Wireless School |
| BD FIt | Bombing Development Flight |
| BDA | Balloon Development Unit |
| BDU | Bombing Development Unit |
| BEF | British Expeditionary force |
| BGS | Bombing & Gunnery School |
| BSDU | Bomber Support Development Unit |
| BT | Bomber Transport |
| CAACU | Civilian Anti-Aircraft Co-Operation Unit |
| CACF | Coast Artillery Co-Operation Flight/Unit |
| CAEU | Casualty Air Evacuation Unit |
| CANS | Civil Air Navigation School |
| CATCS | Central Air Traffic Control School |
| CAW | College of Air Warfare |
| CBE | Central Bomber Establishment |
| CCCF | Coastal Command Communications Flight |
| CCDU | Coastal Command Development Unit |
| CCGS | Coastal Command Gunnery School |
| CCP | Coastal Command Pool |
| CCTDU | Coastal Command Tactical Development Unit |
| CCU | Check & Conversion Unit (in Middle East) |
| CDCF | Coast Defence Co-operation Flight |
| CDDF(U) | Coast Defence Development Flight (Unit) |
| CF(U) | Communications Flight (Unit) |
| CF | Conversion Flight (after number) |
| CFE | Central Fighter Establishment |
| CFS | Central Flying School |
| CGF | Gunnery Co-operation Flight |
| CGS | Central Gunnery School |
| CLE | Central Landing Establishment |
| CMU | Civil Maintenance Unit |
| CNCS | Central Navigation & Control School |
| CNS | Central Navigation School |
| Comm Flt | Communication Flight |
| CPF | Coastal Patrol Flight |
| CRO | Civilian Repair Organisation |
| CRS | Central Radio School |
| CRU | Civilian Repair Unit |
| CS | Communications Squadron |
| CSE | Central Signals Establishment |
| CSU | Central Servicing Unit |
| CTU | Combat Training Unit |
| CU | Conversion Unit |
| CU | Conversion Unit |
| EAAS | Empire Air Armament School |
| EACF | East Africa Communications Flight |
| EANS | Empire Air Navigation School |
| ECFS | Empire Central Flying School |
| ECU | Experimental Co-operation Unit |
| EFS | Empire Flying School |
| EFTS | Elementary Flying Training School |
| EP | Equipment Park |
| ERFTS | Elementary & Reserve Flying Training School |
| ERS | Empire Radio School |
| ETPS | Empire Text Pilots School |
| EWS | Electrical & Wireless School |
| FBFTS | Franco-Belgium Flying Training School |
| FCCRS | Fighter Command Communications Squadron |
| FCHA | Fighter Command Handling Squadron |
| FCPY | Ferry Command Preparation Unit |
| FEAF | Far East Air Force |
| FETS | Far East Training Squadron |
| FFS | Fire Fighting School |
| FIS | Flying Instructors School |
| FLS | Flight Leaders School |
| FLT | Flight |
| FlU | Fighter Interception Unit |
| FPU | Ferry Preparation Unit |
| FRS | Flying Refresher School |
| FRU | Fleet Requirements Unit |
| (P)FTS | (Polish) Flying Training School |
| FTS | Flying Training School |
| FTU | Ferry Training & Aircraft Despatch Unit |
| FU | Ferry Unit |
| GCF | Group Communication Flight |
| GDC | Group Disbandment Centre |
| GDGS | Ground Defence Gunners School |
| GP | Group Pool |
| GPWP | Group Wastage Pool |
| GRP | Group |
| GRU | General Reconnaissance Unit |
| GS(U) | Grading School (Unit) |
| GSU | Group Support Unit |
| GU | Grading Unit |
| HAD | Home Defence Depot |
| HCCS | Home Command Communications Squadron |
| HCU | Heavy Conversion Unit |
| HFU | Home Ferry Unit |
| ITF | Instrument Training flight |
| ITS | Initial Training School |
| JWE | Joint Warfare Establishment |
| LRDU | Long Range Development Unit |
| MAAF | Mediterrainean Allied Air Forces |
| MEAAF | Middle East Allied Air Forces |
| MEAF | Mediterranean Air Force |
| MU | Maintenance Unit |
| NAAF | Northwest African Air Force |
| NAASC | North African Allied Strategic Command |
| NACAF | Northwest African Coastal Air Force |
| NASAF | Northwest African Strategic Air Force |
| NATAF | Northwest African Tactical Air Force |
| NTU | Navigation Training Unit |
| OADU | Overseas Aircraft Despatch Unit |
| OAFU | (Observers) Advanced Flying Unit |
| OAPU | Overseas Aircraft Preparation Unit |
| Obs/S | Observation/Squadron |
| OCU | Operational Conversion Unit |
| OFU | Overseas Ferry Unit |
| ORTU | Operational & Refresher Training unit |
| (P)OTU | (Polish) Operational Training Unit |
| OTU | Operational Training Unit |
| PAFU | (Pilots) Advanced Flying Unit |
| PAS(U) | Pilotless Aircraft Section (Unit) |
| PATP | Packed Aircraft Transit Pool |
| PDU | Photographic Development Unit |
| PFF | Pathfinder Force |
| PFU | Parachute Flying Unit |
| PGp | Pursuit Group |
| Prep Flt | Preparation Flight |
| PRFU | (Pilot) Refresher Flying Unit |
| PRRP | Pilots Reserve & Reinforcement Pool (ME) |
| PRU | Photographic Reconnaissance Unit |
| PRU | Photographic Reconnaissance Unit |
| RAAFC | Royal Air Force Flying College |
| Rad S | Radio School |
| RAE | Royal Aircraft Establishment |
| RAFC | Royal Air Force College |
| RDFS | Radio Direction Finding School |
| Res pl | Reserve pool |
| RFS | Reserve Flying School |
| RMU | Roving Maintenance Unit |
| RNAS | Royal Naval Air Station |
| RNFS | Royal Navy Fighter Squadron (ME) |
| RSU | Repair & Salvage Sections/Units |
| RU | Repair Unit |
| S | Squadron |
| SAC | School of Army Co-operation |
| SC | Salvage Centre |
| SDF | Special Delivery Flight |
| SF | Station Flight |
| SGR | School Of General Reconnaissance |
| SHAEF | Supreme Headquarters Allied Expeditionary Force |
| SoTT | School Of Technical Training |
| SP | Staging Post |
| SU | Support/Storage/Salvage/Service Unit |
| TCDF(U) | Transport Command Development Flight (Unit) |
| TCU | Transport Conversion Unit |
| TDU | Torpedo Development Unit |
| TEU | Tactical Exercise Units |
| TF | Training Flight |
| TRE | Telecommunications Research Establishment |
| TSTU | Transport Support Training Unit |
| TTCCF | Technical Training Command Communications Flight |
| TTU | Torpedo Training Unit |
| WA | Western Area (pre 1936) |
| WDCF | Western Desert Communications Flight |
| WDU | Wireless Development Unit |
| WNG | Wing |
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