These documents are unedited advance versions of ICAO publications as approved in principle by the Secretary General, which are rendered available to the public for convenience. The final edited versions may still undergo alterations in the process of editing. Consequently, ICAO accepts no responsibility of liability of any kind should the final texts of these publications be at variance from that appearing here.

Technical Areas

AGA - Aerodromes and Ground Aids ATM - Air Traffic Management
AIM - Aeronautical Information Management CNS - Communications, Navigation and Surveillance

MET - Aeronautical Meteorology

SAF - Safety Implementation 
TA -Technical Assistance

SAR - Search and Rescue

AIG - Accident Investigation
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