RNAV GPS approaches are widely used, relying on GPS and often the Wide Area Augmentation System (WAAS) for navigation, with most requiring a Required Navigational Performance (RNP) of 0.3. Approaches ...
The author generally prefers RNAV (GPS) approaches over ILS, citing ILS signal susceptibility to ground issues and, more importantly, potential autopilot "gotchas" in GA Garmin systems that can cause ...