RNAV (Area Navigation)
定义
A navigation method that allows aircraft to fly on any desired flight path without being limited to ground-based navigation aids. Uses GPS, DME, or inertial reference systems.
相关术语
VOR (VHF Omnidirectional Range)
A ground-based radio navigation system that provides aircraft with bearing information relative to the station. VOR stations form the backbone of the airway system in many countries.
Waypoint
A predetermined geographical position defined by latitude/longitude coordinates, used for navigation and flight planning. Waypoints are identified by five-letter names (e.g., TIGER, SHARK).
SID (Standard Instrument Departure)
A published flight procedure followed by aircraft immediately after takeoff, providing a transition from the runway to the en-route airway structure while ensuring obstacle clearance.