aircraft flying
польоти літальних апаратів
польоти літальних апаратів
low flying aircraft / low-flying aircraft
accident-free flying / mishap-free flying
mishap-free flying / accident-free flying
anti-low-flying aircraft missile
assigned life (of an aircraft in flying hours)
aircraft accident (flight accident; aircraft mishap)
aircraft armaments / aircraft weapons
aircraft accident / flight accident, aircraft mishap
aircraft mishap / flight accident, aircraft accident
aircraft modernization / aircraft upgrade
aircraft track and balance (adjusting balance of aircraft)