правила візуального польоту
visual flight rules (VFR)
VFR traffic (visual flight rules)
Rules of the Road (see: Navigation Rules)
instrument flight rules (IFR)
instrument flight rules operation
instrument rules flight
beyond visual range / beyond-visual-range (BVR)
visual flight
international rules in force
regulations, rules and policies
Rules of Engagement (ROE)
clearance rules
certification rules
aeronautical rules
air safety rules
design rules
flying safety rules
general operating rules
navigation rules
security rules
firing rules
flight restriction zone / flight restricted zone (FRZ)
visual aids
visual communications
visual contact
visual identification
visual means
visual obscuration
visual tracking
within visual range (WVR)
antiaircraft artillery visual cueing system
visual cueing system