9 Frightening Airplane Facts Your Pilot Won’t Tell You
| March 26, 2015
Werner Gillmer / Shutterstock
8. Oxygen Masks Only Last 15 Minutes
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The oxygen masks in an airplane only hold enough oxygen to last approximately fifteen minutes, which is long enough for the plane can reach a low enough altitude to have breathable air. Why don’t the flight attendants mention this during their robot speech? Because it would freak you out, that’s why!
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