Admi - aero
- Administration
- administration
- Administrative Services Branch
- admission
- admittance
- adopted fare
- adopted rate
- adopted tariff
- adult
- adult fare
- advance
- advance angle
- advance arrangements
- advance booking charter
- advance booking fare
- advance flight plan
- advance purchase
- advance purchase fare
- advanced acceleration
- advanced flying school
- advanced training
- adverse effect
- adverse weather conditions
- adverse wind
- advertizing flight
- advice
- adviser
- advisory
- advisory airspace
- advisory approach
- advisory area
- advisory data
- advisory information
- advisory route
- advisory service
- advisory traffic advisory
- aerial
- aerial ambulance operation
- aerial cargo delivery
- aerial collision
