For aviation authorities and Air Navigation Service Providers (ANSPs), Doc 9811 is the "instruction manual" for the GANP. It ensures that when a new technology—like System-Wide Information Management (SWIM) Space-Based ADS-B
The manual provides guidance for implementing the aviation security standards found in Annex 6 (Operation of Aircraft) . It is designed to help operators and states address: ICAO Store Aircraft Security: icao doc 9811 pdf link