Ilmaväylät
Ilmaväylät, often translated as air routes or airways, are designated paths in the sky used by aircraft for navigation. These routes are established and managed by air traffic control authorities to ensure the safe and orderly flow of air traffic. They are not physical structures but rather defined three-dimensional corridors, typically specified by a series of waypoints, bearings, and altitudes.
The primary purpose of ilmaväylät is to organize air traffic, separating aircraft and preventing collisions. They
Ilmaväylät are often depicted on aeronautical charts and are used by pilots for flight planning and in-flight