Description
ICAO Annex 3 Meteorological Services for International Air Navigation Ed21
The object of the meteorological service outlined in Annex 3 is to contribute to the safety, efficiency and regularity of air navigation. This is achieved by providing necessary meteorological information to operators, flight crew members, air traffic services units, search and rescue units, airport management and others concerned with aviation. Close liaison is essential between those supplying meteorological information and those using it.
21st Edition, August 2025
Corrigendum 1 – 20/10/25
