рівень звукового тиску
noise floor; noise level
calculated noise level
current certified noise level
certificated noise level
certification noise level database
standard noise level
effective perceived noise level
level flight noise requirements
maximum noise level
maximum permissible noise level
maximum tone corrected perceived noise level
measured noise level
monitored noise level
noise level
noise level as a function of take-off mass
noise level radiation
peak perceived noise level
perceived noise level
permissible noise level
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
surveyor's level (surveying level, tbc)
background sound pressure level
overall sound pressure level
adjusted slope of sound pressure level
change in slope of sound pressure level
slope of sound pressure level
average slope of sound pressure level
final background sound pressure level
fixed pressure level
high level pressure chart
low level pressure chart
pressure level