Final answer:
The designation of an active runway at a non-towered airport is determined by wind direction and speed. Pilots use wind indicators to select the appropriate runway. Choosing the correct runway is crucial for safe operations and efficient airport utilization.
Step-by-step explanation:
The designation of an active runway at a non-towered airport is determined by the wind direction and speed. The active runway is the one that aligns with the wind, providing the best conditions for takeoff and landing.
For example, if the wind is coming from the north, the runway that aligns in a north-south direction will be designated as the active runway. Pilots use windsocks, wind indicators, or weather reports to determine the wind direction and choose the appropriate runway.
Choosing the correct runway is important for safe operations and efficient utilization of the airport infrastructure.