Why Do Airplane Lights Dim During Take-Off and Landing

By: Jigyasa Kakwani

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All flyers are familiar with the dimming of cabin lights during take-off and landing. But have you ever wondered why it happens? Read on to find out.

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Clear Sight in Emergencies

Dimming the cabin lights helps passengers' eyes adjust to lower light levels, improving visibility in case of an emergency evacuation.

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How It Works

If an evacuation occurs at night, having already adjusted to low light allows passengers to move more quickly and safely.

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In a dimly lit cabin, emergency lights and illuminated floor pathways are more visible, guiding passengers towards exits.

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Better Navigation for Evacuation

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Put the Shades Up

Crew members ensure all window shades are open. During a daytime evacuation, natural light assists in adjusting to the outside brightness.

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Conserving Power

Dimming the lights reduces load on the electrical systems, particularly during critical phases like take-off and landing.

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Click below to read more fascinating facts about flight operations.

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