2014-07-03 13:44 GMT+02:00 John Packer <john.pack...@gmail.com>: > This way we could also take into consideration the "alternatively > international" airports i.e. airports that only receive international > flights when the original ones can't. > I read in wikipedia[2] there are some airports that do have international > flights, but are limited to some close countries, and are therefore called > "regional". Perhaps we could treat this case in this same key. >
this essentially can be condensed to "length of runway", because this implies bigger airplanes, and bigger airplanes tend to fly longer distances. If there is a small airfield close to the border, you might have international (regional) flights also with very small planes. Anyone remember Mathias Rust ;-) http://socks-studio.com/img/blog/mathias-rust-04.jpg cheers, Martin
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