RNAV Approaches Simplified: A Guide for New Pilots
Pilot Institute
FEBRUARY 15, 2025
Before RNAV, pilots had to rely on radios (NAVAIDs) and antennas on the ground such as VORs (Very High-Frequency Omnidirectional Range) and NDBs (Non-Directional Beacons). Most RNP approaches (RNP APCH) start with RNP 1 accuracy and get even tighter as you get closer to the runwaydown to RNP 0.3 on the final approach.
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