Yeager Aerospace Practice Test

The color designation of a runway number is significant because it indicates the compass heading of the runway, rounded to the nearest 10 degrees. Runways are numbered based on their magnetic azimuth, which is the direction in which the runway is oriented. For example, a runway numbered 27 is aligned approximately 270 degrees on a compass, or west.

Understanding this system is essential for pilots during takeoff and landing procedures, as it helps them align their aircraft properly with the runway during approach and departure. The number reflects the magnetic direction, which is crucial for navigation, especially in the context of air traffic control and safety.

Other options relate to different aspects of aviation, such as altitude, geographical coordinates, or aircraft type, but they do not pertain to what the runway number communicates about its orientation and direction.