свідоцтво про допуск до польотів
safety certificate
flight certificate
safety and arming device / safety-and-arming device
jeopardize flight safety
flight (operating) safety
flight safety hazard
flight safety precautions
ICAO Flight Safety and Human Factors Programme
potential hazard to flight safety
flight safety
flight restriction zone / flight restricted zone (FRZ)
aircraft airworthiness certificate
certificate or waiver of authorization
volunteer certificate
handover certificate
Air Defense Command Commendation Certificate
acceptance certificate
crew member certificate
issue a certificate
certificate holder
certificate of compliance
certificate of quality
certificate of revaccination
certificate of type
certificate of vaccination
release certificate
render a certificate
works certificate
certificate
air operator certificate
aircraft certificate
aircraft certificate holder