FAA Updates Advisory Circular for RNP Procedures

The FAA Flight Standards Division issued AC 90-110A, an updated Advisory Circular for organizations responsible for creating required navigational performance (RNP) approach procedures under FAR Part 97. This AC outlines numerous changes to the flight validation procedures and requirements, as well as to the FAA authorization process. But it does not change, add or delete regulatory requirements, nor authorize deviations from regulatory requirements.