allo - annu
- allocate
- allocated channel
- allocated frequency
- allocated frequency band
- allocation
- allocation of duties
- allocation of frequencies
- allotment
- allotment of frequencies
- allowable clearance
- allowable deflection
- allowable exposure
- allowable landing mass
- allowable pressure
- allowable stress
- allowable take-off mass
- allowance
- alloy
- aloft
- aloft wind
- along-track error
- alpha radiation
- alphabet
- alphanumeric characters
- alphanumeric code
- alphanumeric display
- alphanumeric display panel
- alphanumerics
- alternate
- alternate aerodrome
- alternate airfield
- alternate airport
- alternate current
- alternate destination
- alternate fire extinguisher discharge
- alternate frequency
- alternate fuel
- alternate fuel tank
- alternate gust
- alternate route
