International Civil Aviation Organization

The International Civil Aviation Organization (ICAO, pronounced /aɪˈkeɪ.oʊ/; French:Organisation de l'aviation civile internationale, OACI), is a specialized agency of the United Nations. It codifies the principles and techniques of international air navigation and fosters the planning and development of international air transport to ensure safe and orderly growth. Its headquarters are located in the Quartier International of Montreal, Canada.