20-138D - Airworthiness Approval of Positioning and Navigation Systems (Including Change 2)
- Date Issued
- March 28, 2014
- Responsible Office
- AIR-130, Aviation Safety - Aircraft Certification Service, Aircraft Engineering Division
- Description
-
This revision adds minor clarifications and new guidance material based on issues and questions since revision ‘C’ was published. There are several new changes such as: equipment capability versus installed limitations; clarifying database configuration versus equipment capability; adding step-down fixes to navigation databases; a new appendix for demonstrating radius to fix (RF) leg capability; and, including required navigation performance (RNP) prediction guidance for RNP authorization required approach (RNP AR APCH).
- AC 20-138D Including Change 1 & 2 (PDF, 2.9 MB)
- AC 20-138D including Change 1 (PDF, 2.7 MB)
- AC 20-138D (PDF, 1.9 MB)