IATA and ICAO Airport Codes

ICAO (International Civil Aviation Organization) is a UN-body which focusses on international harmonization of civil aviation regulations. … IATA (International Air Transport Association) is a trade association that focusses on making air traffic businesses safe, secure, reliable and efficient.

ICAO codes are used for “official” purposes such as Air Traffic Control; E.g. flight plans use ICAO codes for airports and airline flight identification. … IATA codes are mainly used for ticketing. E.g. travel itineraries use IATA codes for airports and IATA flight numbers

An IATA airport code, also known as an IATA location identifier, IATA station code or simply a location identifier, is a three-letter geocode designating many airports and metropolitan areas around the world, defined by the International Air Transport Association (IATA).

What is the main purpose of IATA?
Its primary purpose is to promote the airline industry, and to a lesser extent, the travel industry. This is revealed in its very name: International Air Transport Association.

IATA is a Trade Association whose primary members are airlines. ICAO stands for International Civil Aviation Organization.

What is ICAO and what is the function of ICAO?
ICAO’s primary role is to provide a set of standards which will help regulate aviation across the world.

It classifies the principles and techniques of international air navigation, as well as the planning and development of international air transport to ensure safety and security


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