FAA AC 90-107:2011
FAA AC 90-107:2011 Guidance For Localizer Performance With Vertical Guidance And Localizer Performance Without Vertical Guidance Approach Operations In The U.S. National Airspace System Gives guidance for operators to conduct Title 14 of the Code of Federal Regulations (14 CFR) part 97 instrument flight rules (IFR) Area Navigation (RNAV) Global Positioning System (GPS) instrument app