AC 90-105A

editorial update 2

Advisory circular · Approval Guidance for RNP Operations and Barometric Vertical Navigation in the U.S. National Airspace System and in Oceanic and Remote Continental Airspace

Approved
May 22, 2020
Last reviewed
July 24, 2024
This change
Second Editorial update to AC 90-105A.
Family
AC 90-105 · 4 versions
Revision
A
14 CFR parts
71, 91, 95, 97, 121, 125, 129, 135

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 22, 2025.