The Travel Secrets That Airlines Don’t Want You to Know

These days,¬†air travel is nearly as common as taking a bus or train, but some mysteries persist 35,000 feet in the air. Airlines don’t want you to know certain things about flying, but these secrets can help you be an informed passenger. For example, they dim the cabin lights for one alarming reason — not to help you sleep (page 10).

1. Your smartphone won’t bring down the plane

Woman using smartphone inside an airplane
But you should still put your phone on airplane mode. |

Flight attendants ask everyone to switch their phones to airplane mode before takeoff. But the real reason you should do so involves interference. Kenny Kirchoff of Boeing’s Electromagnetic Interference Lab, tells CNN interference¬†from electronics can affect aircraft systems, not crash planes.

Next: The first thing to do when your flight is canceled

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