Originally Posted by
Hydro Junkie
The planes are either on final approach or climbing out in very narrow corridors. With the gear, flaps and slats down and flying at slow speed, maneuvering around a quad is the last thing the pilots want to do. One mistake and the plane goes in nose first under those conditions
+1 The pilot may see a dot on an approach, then the aircraft has already passed it. The pilot is looking at the runway, instruments and concentrating on landing.