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I think technically Canada is stuck with the "C" prefix (vs. "K" for USA) eg. CYVR, CYUL, CYXX

We also have airports with "CZ" (eg. CZBB).

I am not sure what the difference (if any) between CZ vs. CY codes is. Probably just sticking with convention (begin with Y or Z because everyone else does).

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Yes, the entirety of C is currently allocated to Canada[1]. The parent comments were talking about IATA codes, though, which aren't allocated by prefix.

[1] https://en.wikipedia.org/wiki/International_Civil_Aviation_O...

While IATA codes do not require a consistent prefix, all the Canadian airports start with Y:

https://en.wikipedia.org/wiki/List_of_airports_by_IATA_code:...

Interesting. I still see Canadian airports starting with Z.

But Y is heavily Canadian. We should all just start our own airport. Sounds like a good way to learn about naming. I imagine we will want an airport code staring with YC, so it'll have to be in Canada :P

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