that if the cabin loses power, your eyes are already tuned to the dark — and the difference can be the seconds it takes to find an exit.
It is a small intervention with an outsized payoff. The airline is not predicting a failure. It is removing one specific disadvantage — the lag in human night vision — from the list of things that could slow an evacuation.
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Why ninety seconds matters
To understand the urgency, it helps to know the number
There’s more to discover. Continue to the next page for the rest of this article.
