зниження шуму
aircraft noise abatement
noise abatement approach procedures
noise abatement climb
noise abatement climb procedure
noise abatement flight track
noise abatement measures
noise abatement operating procedures
noise abatement take-off procedures
noise abatement technique
abatement of nuisance caused by air transport
noise floor; noise level
background noise
impulse noise
mock battle noise
signal-to-noise ratio (SNR; S/N)
noise suppression device
noise suppression system
acoustic noise
aircraft noise production program
balanced program of noise control
calculated noise level
current certified noise level
jet noise prediction technique
landing noise
turbulence-induced noise
atmospheric noise
attenuate noise
augmented lift system noise
environment control system noise
equivalent noise resistance
reduce noise
reference noise measurement point