air - airb
- air
- air accident
- air agency
- air agreement
- air alert
- air ambulance
- air area
- air attack
- air balloon
- air base
- air base group
- air bearing gyroscope
- air bill
- air blast
- air bleed
- air bleed hole
- air blower
- air bomb
- air bottle
- air bottle cart
- air bridge
- air cargo
- air carriage
- air carrier
- air change
- air charter carrier
- Air Charter Carriers Association
- Air Chief Marshal
- air circulation
- air clutter
- air coach
- air codes
- air collector
- air commerce
- air communication
- air communication center
- air communicator
- air compressor
- air conflict search
- air consignment note
