When do the runway edge lights change color, and what colors do they turn?

Runway edge lights serve a critical function in providing visual guidance to pilots during takeoffs and landings. The correct understanding of their color indications is essential for safe aircraft operations.

Runway edge lights are typically white along the sides of the runway, illuminating the edges and giving pilots a clear structure of the runway during both day and night operations. However, as the aircraft approaches the end of the runway, specifically within the last 2,000 feet, the lights change color to yellow. This transition serves as a warning that the runway is nearing its end, which is crucial for pilots to begin their landing procedures or prepare for adequate takeoff distancing.

This color change reflects the importance of visual cues in aviation, particularly in maintaining situational awareness during critical phases of flight. The clarity of the signal enables pilots to adjust their actions accordingly, promoting safety and precision in landing.

The other options do not accurately describe the function and signaling of runway edge lights. For instance, the assertion that edge lights remain green to white at all times does not take into account the critical warning provided by the yellow lights. Similarly, stating that edge lights turn white to red at all points disregards the specific operational protocol for the approach phase. Lastly, the idea that only yellow