політ за приладами, `сліпий` політ
instrument flight rules (IFR)
instrument flight rules operation
Rules of the Road (see: Navigation Rules)
instrument takeoff / instrument take-off
visual flight rules (VFR)
visual flight rules
VFR traffic (visual flight rules)
instrument 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)
automated integrated survey instrument (AISI)
board instrument
radiac (instrument)
sighting instrument
survey instrument
instrument criticality
instrument air intake line
altazimuth instrument
angular instrument
counting instrument