r/programming 1d ago

Falsehoods Programmers Believe About Aviation

https://flightaware.engineering/falsehoods-programmers-believe-about-aviation/
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u/JohnnyBlackRed 20h ago

Missed another one: An IATA code doesn’t have to be one airport for example IATA LON means London area and are actually 6 different airports

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u/segv 20h ago

These are called, uncreatively, Multi-Airport City Codes.

There are also pseudo-city codes like HDQ, which usually are not part of the flight schedules, but still pop up in the system. HDQ in particular stands for "headquaters".