Airports in the US (and Canada) sometimes have seemingly strange IATA codes, although each has its own idiosyncratic explanation.

Aviation officials have rejected a request to change India's Gaya International Airport code. It's not the first time.

The airport kept its three-letter code, OAK. The City of San Francisco filed a lawsuit on April 18 following the approval by Oakland’s Board of Port Commissioners to change the airport’s name.