[Tagging] Aerodrome types

[Nelson A. de Oliveira]

On Thu, Jul 3, 2014 at 10:40 AM, Martin Koppenhoefer
<dieterdreist at gmail.com> wrote:
> this essentially can be condensed to "length of runway", because this
> implies bigger airplanes, and bigger airplanes tend to fly longer distances.

Not quite.
There are airports with runways having 2100 meters or more that aren't
international, while some with 2000 meters are (for example,
http://en.wikipedia.org/wiki/Corumb%C3%A1_International_Airport)