The Real Reason Airlines Dim the Lights for Takeoff

to complete.

Now imagine an emergency at night. If the cabin had been brightly lit and the lights suddenly failed, every passenger would be momentarily blind at the worst possible moment, groping for an aisle they can no longer see. By dimming the cabin before takeoff and landing, the crew lets everyone’s eyes pre-adjust to lower light. If the worst happens and the interior goes dark, your vision is already partway there. You can find the floor-level escape path lighting, the aisle, the exit signs.

The lights are dimmed so

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