Icao Doc 8168 — Volume 3

Standardized methods for changing altimeter settings from local pressure to standard pressure (1013.2 hPa / 29.92 inHg) during climb, and vice-versa during descent.

The scope of Volume III has expanded to include modern challenges. It includes guidance on approving: icao doc 8168 volume 3

, titled Aircraft Operating Procedures , is a primary document within the Procedures for Air Navigation Services – Aircraft Operations (PANS-OPS) framework. First published as a standalone volume in 2018 , it provides essential guidance and standardized procedures for flight operations personnel and flight crews to ensure the highest level of safety during flight. The Evolution of Doc 8168 titled Aircraft Operating Procedures