Which statement best describes the primary purpose of the Approach Light System (ALS)?

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Multiple Choice

Which statement best describes the primary purpose of the Approach Light System (ALS)?

Explanation:
The main purpose of the Approach Light System is to provide pilots with visual cues that guide the aircraft along the intended approach path when visibility is poor. By lighting up the approach corridor and the area near the runway, the ALS helps pilots locate the runway threshold, gauge alignment with the approach, and judge their descent as they transition from instrument flight to landing in conditions like fog, rain, or low clouds. It’s about giving the pilot a visual path to follow, not about signaling ATC, marking runway edges, or indicating braking action.

The main purpose of the Approach Light System is to provide pilots with visual cues that guide the aircraft along the intended approach path when visibility is poor. By lighting up the approach corridor and the area near the runway, the ALS helps pilots locate the runway threshold, gauge alignment with the approach, and judge their descent as they transition from instrument flight to landing in conditions like fog, rain, or low clouds. It’s about giving the pilot a visual path to follow, not about signaling ATC, marking runway edges, or indicating braking action.

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