вихідна методика сертифікації за шумом (рівнем шуму)
overflight reference procedure
take-off reference procedure
approach reference procedure
reference procedure
certification noise level database
certification noise value
take-off noise certification
aircraft noise certification
international noise certification database
noise certification
noise certification data
noise certification database
noise certification documentation
noise certification scheme
noise certification standard
noise certification test
noise re-certification
attitude-and-heading reference system / attitude and heading reference system (AHRS)
noise abatement climb procedure
noise measurement procedure
reference noise measurement point
take-off reference noise measurement point
noise floor; noise level
certification program
type certification
re-certification
re-certification of non-compliant aircraft
request for certification
certification
certification basis
certification jobs
certification modification