non-noise certificated aircraft

certificated noise level

certificated air carrier

non-interference; non-intervention

non-mandated non-governmental organization

non-directional beacon (NDB) / non directional beacon

noise floor; noise level

re-certification of non-compliant aircraft

aircraft noise production program

working group on aircraft noise

aircraft noise

aircraft noise abatement

aircraft noise and design effects study (ANDES)

aircraft noise annoyance

aircraft noise certificate

aircraft noise certification

aircraft noise design effects study

aircraft noise pollution

aircraft noise prediction program(me)

aircraft noise received on the ground

aircraft noise stringency

methods of aircraft noise measurements

model for assessing global exposure to the noise of transport aircraft (MAGENTA)

training aircraft (tng acft) / trainer aircraft

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)

aircraft upgrade / aircraft modernization

aircraft weapons / aircraft armaments

flight accident / aircraft accident, aircraft mishap