| Abbreviation | Name, Rank Unit, Unknown, etc. | Abbreviation | Name, Rank Unit, Unknown, etc. |
|---|---|---|---|
| A.A. | anti-aircraft | IAF | Independent Air Force |
| A/C | Aircraft | IF | Independent Force |
| Ack. | acknowledgment | IIAcc | injured in accident |
| A.E.F. | American Expeditionary Force | IIC | injured in crash |
| Aero | squadron (U.S.) | IRAS | Imperial Russian Air Service |
| AIC | Aviation Instruction Center | KB | kite balloon |
| AP | air park | KIA | killed in action |
| Art. | artillery | KIC | killed in crash |
| A.S. | air service | LTA | lighter-than-air |
| A/S | air ship | Mfg | manufacture/manufacturer |
| Att. | Attache/Attached to | MG | machine gun |
| Aus. | Australian, Australia | MIA | missing in action |
| Avro | A.V. Roe (A/C Co.) | NAS | naval air station |
| AW | Armstrong-Whitworth (A/C Co.) | NBG | Northern Bombing Group |
| BC | balloon company | OC | observation corps |
| B.E.F. | British Expeditionary Force | OG | observation group |
| BG | balloon group | POW | prisoner of war |
| Bn | Battalion | Pub. | publisher/publication |
| Btry. | battery | RA | Royal Army |
| BW | balloon wing | RAAF | Royal Australian Air Force |
| CFC | Canadian Flying Corps | RAF | Royal Air Force |
| C.O. | commanding officer | RAMC | Royal Army Medical Corps (Eng.) |
| Co | Company | Regt | Regiment |
| DBG | Day Bombardment Group (U.S.) | RFC | Royal Flying Corps |
| DOAcc | died of accident | RN | Royal Navy |
| DOI | died of injuries | RNAS | Royal Naval Air Service |
| DOW | died of wounds | S.E. | Scout Experimental (A/C) |
| E.A. | enemy aircraft | S.D. | shot down |
| FTL | forced to land | SOP | Sopwith (A/C Co.) |
| GOIC or
GOC |
General Officer in Charge
General Officer Commanding |
Sqdn. | Squadron (English if number precedes) |
| Gr. | Group | U.S. | United States |
| HA | hostile aircraft | U.S.A.S. | United States Air Service |
| HE | high explosive | U.S.M.C. | U.S. Marine Corps |
| H.M.S. | His Majesty's Ship | U.S.N.A.S. | U.S. Naval Air Service |
| Hosp. | Hospital | W | Wing |
| IAACC | Inter-Allied Aeronautical Control Commission | WIA | Wounded in Action |
British/American
French/Belgian/Italian
German/Austro-Hungarian
