This non-exhaustive Compendium has been developed with a view to providing easy and quick access to relevant information. Where possible, hyperlinks were inserted as references. In certain cases, the material is only available in a language other than English.
Considering the variety and complexity of topics involved, while every effort has been made to ensure the quality and accuracy of information offered in this Compendium, it may not always reflect the latest state of play.
In order for ICAO to keep enhancing the coverage and the quality of the information provided in this Compendium, States and regional organizations are encouraged to submit contributions for additions, changes or updates to the ICAO Secretariat at:
ecd@icao.int.