- ICAO Assembly (193 States)
- ICAO Council (36 States)
The only non-Contracting States are the Holy See and Liechtenstein.
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As a Specialized Agency of the UN, ICAO works closely with the UN, and particularly with the Economic and Social Council. In light of its technical mandate, ICAO also works closely with other UN Specialized Agencies and International Organizations, such as: ?The International Telecommunications Union (ITU);
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ICAO SARPS (Standards and Recommended Practices) for each area of ICAO responsibility are contained in 19 Annexes. Each Annex deals with a particular subject area.
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IATA is a trade association that represents its airlines around the world. Initially founded by 57 carriers, it now has some 300 member airlines from 120 countries. ICAO, on the other hand, is a specialized organization that is part of the United Nations with 193 members, with its headquarters in Montreal, Canada.
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As an initiating member state of ICAO, China remains committed to the purposes and objectives of the Convention on International Civil Aviation and has actively promoted the safe, efficient and sustainable growth of international civil aviation.
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Established in 1947 by the Convention on International Civil Aviation (1944), which had been signed by 52 states three years earlier in Chicago, the ICAO is dedicated to developing safe and efficient international air transport for peaceful purposes and ensuring a reasonable opportunity for every state to operate ...
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The following States were elected from among ICAO's 193 Member States to the Organization's 36 Member Governing Council during the 2022 ICAO Assembly. Australia, Brazil, Canada, China, France, Germany, Italy, Japan, United Kingdom and the United States.
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Airport codes are now assigned to airports by IATA, the International Air Transport Association, and no two airports can have the same code. (Note to pilots and dispatchers: these can be different than the four-character ICAO codes—i.e., DAL vs. KDAL, or LHR vs.
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As IATA airlines are somewhat stricter in their requirements than the ICAO Technical Instructions, the DGR specifies more precisely how to prepare a shipment.
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As such, pilots, dispatchers, and air traffic controllers work primarily in the ICAO airport code scheme.
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