Internaitional Ceevil Aviation Organisation airport code

The ICAO (/ˌaɪˌkeɪˈoʊ/, "I-K-O") airport code or location indicator is a fower-chairacter alphanumeric code designatin ilka airport aroond the warld. These codes are defined bi the Internaitional Ceevil Aviation Organisation, an published in ICAO Document 7910: Location Indicators.