4-7-5 Flight Plan Requirements
AIM Chapter 4. Air Traffic Control — Section 4-7, Operational Policy/Procedures for the Gulf of America 50 NM Lateral Separation Initiative
Official text — AIM 4-7-5
AIM — FAA OPERATIONAL GUIDANCEa. In order for an operator with RNP 10 or RNP 4 authorization to obtain 50 NM lateral separation in the Gulf of America CTAs/FIRs, and therefore obtain preferred routing available to RNP authorized aircraft, the international flight plan form (FAA 7233-4) must be annotated as follows:
1. Item 10a (Equipment) must include the letter “R.”
2. Item 18 must include either “PBN/A1” for RNP 10 authorization or “PBN/L1” for RNP 4 authorization.
b. Indication of RNP 4 authorization implies the aircraft and pilots are also authorized RNP 10.
c. Chapter 5, Section 1, of this manual includes information on all flight plan codes. RNP 10 has the same meaning and application as RNAV 10. They share the same code.
Reproduced from the FAA Aeronautical Information Manual (Basic (with Change 3)). The AIM is FAA guidance, not regulation. Verify against the official source before relying on it operationally.
Is this a regulation?
No — this is FAA guidance, not a regulation.
Aeronautical Information Manual. FAA operational guidance and recommended practices. The AIM is not regulatory, although it often explains how to comply with regulations.