правила сертифікації
Rules of the Road (see: Navigation Rules)
international rules in force
regulations, rules and policies
Rules of Engagement (ROE)
clearance rules
aeronautical rules
visual flight rules (VFR)
air safety rules
design rules
flying safety rules
general operating rules
instrument flight rules (IFR)
instrument flight rules operation
instrument rules flight
visual flight rules
VFR traffic (visual flight rules)
navigation rules
security rules
firing rules
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 test
certification test flight