The International Civil Aviation Organization (ICAO) is a UN specialized agency , established by states in 1944 to mange the administration and governance of the Convention on International Civil Aviation (Chicago Convention) , & it’s based in Montreal, Canada . ICAO works with the Convention’s 192 Member, 18 of these countries are in Middle East. States and industry groups work to reach consensus on international civil aviation standards and Recommended Practices (SARPs) and policies in support of a safe, efficient, secure, economically sustainable and environmentally responsible civil aviation sector.