сертифікаційні випробування
factory tests / in-plant tests
in-plant tests / factory tests
nuclear tests
hydroscopic tests of greases
environmental tests
airworthiness tests
check-out tests
development tests
endurance tests
flight tests
in-plant tests
investigation tests
life tests
certification program
type certification
re-certification
re-certification of non-compliant aircraft
request for certification
certification
certification basis
certification jobs
certification modification
certification noise level database
certification noise value
certification rules
certification test
certification test flight
aeroplane type certification
take-off noise certification
aircraft noise certification
airport certification
autoland certification