Airport Codes

There are two kinds of airport codes: IATA (three character) and ICAO (four character). Three-character codes are used mostly on timetables, baggage tags, domestic flight plans and some ATC scopes, while four-charactercodes are used for international flight plans and other professional aviation publications. Usually the first two letters identify the country, except for the Continental USA, where codes usually start with a K, and the 3-letter code.

The FSDome.com list is sorted by IATA codes.

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