the United Nations agency concerned with civil aviation
Formed under the 1944 Convention on International Civil Aviation, with aims and objectives "to develop the principles and techniques of international air navigation and to foster the planning and development of international air transport." The Convention established certain principles and arrangements in order that international civil aviation may be developed in a safe and orderly manner and that international air transport services may be established on the basis of equality of opportunity and operated soundly and economically. Canada is a member.
Abbreviation: ICAO An international organization of governments, dealing with search and rescue in distress, weather information, telecommunications and navigational requirements.