The RNAV approach is a type of GPS-based procedure that is becoming ubiquitous in general aviation as the FAA continues to roll it out at thousands of airports around the United States. If you’re adept at flying an ILS approach, RNAV LPV procedures (offering “localizer performance with vertical guidance”) should be very familiar to you, since lateral and vertical deviations are identical at similar distances. Have a look at the chart below to learn about the nuances of these types of satnav-based approaches.
Chart Wise: RNAV Approaches
Key Takeaways:
- RNAV approaches are GPS-based procedures, with LPV variants offering performance comparable to ILS approaches, and are becoming widespread in general aviation.
- ATC phraseology for RNAV includes specifying "straight in" during approach clearances to clarify when a hold in lieu of a procedure turn is not required.
- For RNAV procedures, pilots may be cleared to an intermediate fix (if on the final approach course and at least 3 miles from the final approach fix) instead of the initial approach fix.
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