- aero-engine
- aeroengine
- aeroplane engine
- aircraft engine
- aviation engine
- aircraft engine factory
- aeronautical navigation
- aeronautical radionavigation service
- aviation pioneer
- Aachen Merzbrück Airfield , AAH . EDKA
- Aalen-Heidenheim Airport , EDPA
- Achmer Airport , EDXA
- Allstedt Airfield , EDBT
- Ampfing-Waldkraiburg Airfield , EDNA
- Anklam Airfield , EDCA
- Arnsberg-Menden Airport , ZCA , EDLA
- Arnstadt-Alkersleben Airport , EDBA
- Aschaffenburg Airfield , EDFC
- Aschersleben Airport , EDCQ
- Auerbach Airport , EDOA
- aerodrome control
- air fare
- airborne prospection
- aerial tour
- air journey
- air passage
- air trip
- airline travel
- air travel baggage
- air travel luggage
- air rescue services
