known bugs: -hangar and air stop can be built on empty soil. They should - however - only be placed on air-traffic-movement-area or runway tiles. -if runway and air-traffic-movement-area are connected at the end of a runway (resulting in a curve, rather than a crossing aircrafts will not find a way to the next destination. SOLUTION: do not connect air-traffic-meovement-areas and runways at their very ends - build crossings instead. -with pak128: bringing up a station info window by clicking on a station will lead to a crash, if you are not fully zoomed into the map (zoom 1)
-for ways allowing aircrafts the type must be "air"; the program will treat all ways of type "air" and a speed limit > 250 beeing runways; other type "air" ways are taxiways and will not be used for takeoff and landing
