The full form of ICAO is the International Civil Aviation Organization (Not to be confused with the International Air Transport Organization). It is a specialized agency of the United Nations that coordinates international air navigation and looks into the planning and development of safe and secure air transport. ICAO headquarters are located in the Quartier International of Montreal, Quebec, Canada.
The ICAO is funded and directed by the Governments of 193 nations that are the participants of The Chicago Convention on International Civil Aviation (1994). The council inclines the standards and practices regarding Air navigation, Infrastructure, Flight Inspection, and facilitation of border crossing procedures for International Civil Aviation. It also looks into the matter of prevention of any unlawful interference. ICAO defines the protocols for Aviation Accidents Investigations that are being followed by Transport Safety Authorities in countries that are a signatory of the Chicago Convention.
ICAO is responsible for: