Why New Orleans’ airport is MSY — and other airport code mysteries, explained

Developers Lynn Fisher and Nick Crohn have created a new site that explain the origin of airport codes.

Three-letter airport codes came about because pilots found the National Weather System’s two-letter codes inadequate to identify all the available airports. Today, airport codes are called International Air Transport Association Airport Codes (IATA) and are established by the airline trade association, founded in the 1940s.

I could lose hours in this site. If you’ve ever wondered why Nashville is BNA or New Orleans is MSY, click over to find those, and many more, out.

(via Vox)

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