How are the ends of a runway specifically marked?

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The ends of a runway are specifically marked with red lights facing towards the threshold and green lights facing away from it. This color-coding serves a critical function in aviation. The red lights indicate to pilots that they are approaching the end of the runway, which is crucial information especially when aligning for takeoff or landing. The green lights, on the other hand, signal that there is runway available beyond that point, allowing pilots to identify clear surface for use.

This system enhances situational awareness and safety during night operations or low visibility conditions. The contrasting colors help pilots quickly recognize whether they are approaching the threshold or have the runway available for departure or an overshoot scenario.

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