| air brush | Airbrush |
| air brush technique | Spritztechnik |
| air bubble | Blase |
| air bubble density meter | pneumatisches Dichtemessgerät |
| air bubble film | Luftpolsterfolie |
| air bubble flotation | Schaumaufbereitung |
| air bubble mailer | Luftpolsterversandtasche |
| air bubble viscometer | Luftblasenviskosimeter |
| air bubbles | Luftbläschen |
| air buffer | Luftkissen |
| air buffers | Luftpolster |
| air bump | Luftloch |
| Air Burkina | Air Burkina |
| Air Burundi | Air Burundi |
| air bypass screw | Luftbypass-Schraube |
| air caisson | Druckluftkammer |
| air caissons | Druckluftkammern |
| air cameras | Luftbildkameras |
| Air Canada | Air Canada |
| Air Canada Centre | Air Canada Centre |
| Air Canada rouge | Air Canada rouge |
| air capacitor | Luftkondensator |
| air capillaries | Luftkapillaren |
| air capillary | Luftkapillare |
| Air Capital of the World | Luftfahrt-Hauptstadt der Welt |
| air cargo | Luftfracht |
| air cargo industry | Luftfrachttransportgewerbe |
| air carriage | Luftbeförderung |
| air carrier | Fluggesellschaft |
| air carriers | Linienfluggesellschaften |
| air cell | Luftblase |
| air cell battery | Luftsauerstoffbatterie |
| air cell system chest protector | Luftkissen-Brustpanzer |
| air cells | Luftbläschen |
| Air Central | Air Central |
| air chamber | Luftkammer |
| air chambers | Lufträume |
| air change | Luftaustausch |
| air change rate | Luftaustauschrate |
| air charge | Luftfüllung |
| Air Chief Marshal | Generaloberst |
| Air China | Air China |
| Air China Cargo | Air China Cargo |
| air chipper | Luftdruckmeißel |
| air choke | Luftkappe |
| air circuit-breaker | Luftleistungsschalter |
| air circulation | Luftzirkulation |
| air circulator | Ventilator |
| air classification | Windsichten |
| air classifier | Luftstromsichter |
| air cleaner | Luftfilter |
| air cleaners | Luftfilter |
| air cleaning | Luftreinigung |
| air cock | Entlüftungshahn |
| air column | Luftsäule |
| air combat | Luftkampf |
| air combat fighter , ACF | Jagdflugzeug |
| air combat mission , ACM | Luftkampfeinsatz |
| air combat missions , ACM | Luftkampfeinsätze |
| Air Comet | Air Comet |
| air command | Luftkommando |
| Air Command and Control System | Führungssystem Luftstreitkräfte |
| Air Commodore | Brigadegeneral |
| air compartment | Wetterturm |
| air compartments | Wettertürme |
| air compression | Luftverdichtung |
| air compressor | Luftkompressor |
| air compressors | Druckluftkompressoren |
| air concentration | Luftkonzentration |
| air cond | Luftkonditionierer |
| air condition, AC | Klimaanlage |
| air conditioner | Klimaanlage |
| air conditioners | Klimageräte |
| air conditioning | Klima |
| air conditioning cell | Klimazelle |
| air conditioning cells | Klimazellen |
| air conditioning center | Klimazentrale |
| air conditioning centre | Klimazentrale |
| air conditioning compressor | Klimakompressor |
| air conditioning condenser | Klimaanlagen-Kondensator |
| air conditioning control | Klimaregelung |
| air conditioning engineering | Klimatechnik |
| air conditioning equipment | Luftkonditionierungssystem |
| air conditioning plant | Luftkonditionierungssystem |
| air conditioning room unit | Klimaschrank zur Raumklimatisierung |
| air conditioning room units | Klimaschränke zur Raumklimatisierung |
| air conditioning system | Luftkonditionierer |
| air conditioning unit | Klimagerät |
| air conditioning unit , ACU | Klimagerät |
| air conditioning units | Klimageräte |
| air conditioning, climate control | Klimaanlage |
| air conditionings | Klimaanlagen |
| air conditions | Klimaanlagen |
| air conducting sheet | Luftablenkblech |
| air conducting sheet, airflow sheet | Luftablenkblech |
| air conduction | Luftleitung |
| air connection | Luftanschluß |
| air consumption | Luftverbrauch |
| air contaminant | Luftschadstoff |
| air contamination | Luftverschmutzung |
| air control | pneumatische Steuerung |
| air control team | Fliegerleittrupp |
| air control teams | Fliegerleittrupps |
| air control teams network | Fliegerleitnetz |
| air control valve | Abblaseschubventil |
| air control valves | Abblaseschubventile |
| air conveyance | Luftführung |
| air conveyor | Luftförderer |
| air cooled | luftgekühlt |
| Air cooler | Wärmeübertrager |
| air cooler valve | Luftkühlerventil |
| air cooler valves | Luftkühlerventile |
| air coolers | Luftkühler |
| air cooling | Luftkühlung |
| air core | Luftkern |
| air core choke | Luftspule |
| air core coil | Luftspule |
| air core transformer | eisenkernloser Transformator |
| air corps | Fliegerkorps |
| Air Corps, contains several Fliegerdivisionen | FK : Fliegerkorps |
| air correction jet | Luftkorrekturdüse |
| air correction jet with emulsion tube | Luftkorrekturdüse mit Mischrohr |
| air correction jets | Luftkorrekturdüsen |
| air corridor | Schneise |
| air corridors | Luftkorridore |
| Air Corsica | Air Corsica |
| air course | Wetterstrecke |
| air cover | Fliegerschutz |
| air cowl | Lufthutze |
| air crash | Flugzeugunglück |
| air crash tender | Flugfeld-Löschfahrzeug , FLF |
| air crashes | Flugzeugunglücke |
| air crew | Flugpersonal |
| air crews | Flugbesatzungen |
| air crossing | Wetterbrücke |
| air curing | Lufttrocknung |
| air current | Zug |
