You'd be incorrect. The capital of Nunavut in Canada is cleared to land up to an A380, and that's fairly close to the North Pole.
Often that's how OEM's will get their cold weather testing done, by just flying up in the winter.
Often that's how OEM's will get their cold weather testing done, by just flying up in the winter.
And here’s a list of diversion airports: https://en.m.wikipedia.org/wiki/Diversion_airport