11 votes

Are there 5000+ companies with IATA (two-character) codes?

It's obviously an error in that Wikipedia page. The "5000 airlines with IATA codes" text actually links to: https://en.wikipedia.org/wiki/List_of_airline_codes which lists lots of airlines (over ...
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5 votes

Are airline ICAO codes unique?

ICAO three-letter codes are always unique. The official source, ICAO Document 8585, says the following: 1.2 The same designator will not be registered for more than one aircraft operating agency, ...
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