Also known as “RNAV-1”, it refers to an aircraft’s Area Navigation (RNAV) ability in the terminal area. A Letter Of Authorization (LOA) is required for P-RNAV operations. In various countries around the world. As of February 2020, US Registered -Part 91 operators are no longer required to obtain LOA B034 for P-RNAV (and B-RNAV), as it has been decommissioned by the FAA.
