How do airport IATA codes work?

We all know what’s in a name, but codes attached to hubs and gateways worldwide can have more peculiar origins. Tom Batchelor demonstrates the method in IATA’s madness in the first of a fascinating new series

The airport code identifiers that differentiate thousands of landing sites spread across every continent, from major hubs to small heliports, are a vital part of the aviation ecosystem, helping passengers and their bags move seamlessly around the world.

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