What Are IATA Airport Codes - [International Air Transport Association]
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IATA, ICAO code QUIZ
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IATA vs. ICAO Code
The ICAO airport code or location indicator is a four-letter code designating aerodromes around the world. These codes, as defined by the International Civil Aviation Organization and published in ICAO Document 7910: Location Indicators, are used by air traffic control and airline operations such as flight planning.