| | AAEE | Aeroplane & Armament Experimental Establishment |
| | AAS | Air Armament School |
| | ACSEA | Air Command South East Asia |
| | AD | Aircraft Depot |
| | ADF | Aircraft Delivery Flight |
| | ADU | Aircraft Delivery Unit |
| | AFS | Advanced Flying School |
| | AGS | Air Gunners School |
| | AHQ | Airfield Headquarters |
| | ANS | Air Navigation School |
| | APC | Armament Practice Camp |
| | APS | Armament Practice Station |
| | APU | Aircraft Preparation Unit |
| | ASP | Air Stores Park |
| | ASR | Air Sea Rescue |
| | AST | Air Service Training |
| | ATA | Air Transport Auxiliary |
| | BSDU | Bomber Support Development Unit |
| | CAACU | Civilian Anti-Aircraft Co-Operation Unit |
| | CACF | Coast Artillery Co-Operation Flight/Unit |
| | CGS | Central Gunnery School |
| | CMU | Civil Maintenance Unit |
| | CRO | Civilian Repair Organisation |
| | CRS | Central Radio School |
| | CRU | Civilian Repair Unit |
| | CTU | Combat Training Unit |
| | CU | Conversion Unit |
| | EP | Equipment Park |
| | FLT | Flight |
| | FP | Ferry Pool (ATA) |
| | FPP | Ferry Pilots Pool Organisation |
| | FRS | Flying Refresher School |
| | FTS | Flying Training School |
| | FTU | Ferry Training & Aircraft Despatch Unit |
| | FU | Ferry Unit |
| | GCF | Group Communication Flight |
| | GDC | Group Disbandment Centre |
| | GP | Group Pool |
| | GRP | Group |
| | GSU | Group Support Unit |
| | HAL | Heston Aircraft Ltd |
| | HCU | Heavy Conversion Unit |
| | Med | Mediterranean |
| | MU | Maintenance Unit |
| | OADU | Overseas Aircraft Despatch Unit |
| | OCU | Operational Conversion Unit |
| | OTU | Operational Training Unit |
| | PAFU | (Pilots) Advanced Flying Unit |
| | PATP | Packed Aircraft Transit Pool |
| | PDU | Photographic Development Unit |
| | PRFU | (Pilot) Refresher Flying Unit |
| | PRU | Photographic Reconnaissance Unit |
| | R-RH | Rolls Royce Hucknall |
| | ROS | Repair On Site Parties (Came under the control of MU's) |
| | RSU | Repair & Salvage Sections/Units |
| | S | Squadron |
| | SC | Salvage Centre |
| | SGR | School Of General Reconnaissance |
| | SLG | Satellite Landing Grounds |
| | SOTT | School Of Technical Training |
| | SP | Staging Post |
| | SU | Servicing Unit |
| | TAF | 2nd Tactical Air Force |
| | TEU | Tactical Exercise Units |
| | WNG | Wing |
