Oh, by the way, I thought international airport designation was based on whether the airport has any scheduled flights that leave US airspace. That’s why in border areas you sometimes see a little rinky-dink prop motor airport with ‘international’ in the title. In the middle of the country, it pretty well needs must have long runways to service aircraft capable of leaving US airspace.
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Q Anon: 03/07/19 Trust Trump's Plan
That thought certainly fills out the definition of “international” airport. Thanks.
Then, the length of runway is a location-based consideration in constructing an “international” airport.
“I thought international airport designation was based on whether the airport has any scheduled flights that leave US airspace. “
A international airport has US Customs on site, or available relatively quickly — thus allowing international flights INTO the country, commercial and private.
My local airport (BZN) became designated as ‘International’ a few years back. It’s very good for our general aviation (GA) customers...now GA flights do not have to land in another airport to clear customs before getting to BZN.
There are no commercial international flights into or out of BZN currently.