Performance Based Flight Systems Branch-Policies & Guidance

**Advisory Circulars (AC)**
Number	Title
AC 90-96A	Approval of U.S. Operators and Aircraft to Operate under Instrument Flight Rules (IFR) in European Airspace Designated for Basic Area Navigation (B-RNAV) and Precision Area Navigation (P-RNAV)
AC 90-100A	U.S. Terminal and En Route Area Navigation (RNAV) Operations AC 90-100A Compliance Table (MS Excel)
AC 90-105	Approval Guidance for RNP Operations and Barometric Vertical Navigation in the U.S. National Airspace System
AC 90-107	Guidance for localizer performance with Vertical Guidance and Localizer
AC 90-108	Use of suitable Area navigation (RNAV) system on Conventional Routes and Procedures
AC 120-108	Continuous Descent Final Approach

**Orders**
Number	Title
7110.82	Reporting Oceanic Errors
8260.55	Special Area navigation Visual Flight Procedures This order provides guidance and standardization for the development and adminstrtion of special area navigation (RNAV) visual flight procedures (RVFP)Specifically, these criteria are designed to allow a lead operator, in cooperation with a local air traffic control (ATC) facility, to develop RVFP.