flightauthorization
nounUK /flaɪt ˌɔːθəraɪˈzeɪʃən/
US /flaɪt ˌɔːθərəˈzeɪʃən/
Official permission for a plane to fly.
The pilot waited for flight authorization before taking off.
OTHER MEANINGS
2. Approval given to a passenger to board a particular flight.
Her flight authorization was confirmed at the check-in desk.
3. Permission for a drone or aircraft to enter a specific area of airspace.
The drone operator requested flight authorization for the restricted zone.
4. Official approval for a space mission to launch.
The rocket received flight authorization after all safety checks passed.