Updated AC 90-105A

FAA has published AC 90-105A – Approval Guidance for RNP Operations and Barometric Vertical Navigation in the U.S. National Airspace System and in Oceanic and Remote Continental Airspace (PDF available at the link).

AC90-105A

 

This update to the previous edition (published in 2009) contains many important changes for pilots who use GPS to navigate under IFR.

FAA is gradually adopting the concept of performance based navigation (PBN), which includes the old systems of area navigation (RNAV) and refines details of required navigation performance (RNP). For more details about these standards, see AIM Section 2. Performance−Based Navigation (PBN) and Area Navigation (RNAV).

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2 Responses to Updated AC 90-105A

  1. Pingback: Garmin GTN Avionics and RF Legs | BruceAir, LLC (bruceair.com)

  2. Pingback: RNP Procedures and Typical Part 91 Pilots | BruceAir, LLC (bruceair.com)

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