1. The Truth About Mobile Devices
No, the plane isn’t going to go down if you accidentally leave your phone on. However, the likelihood is you won’t be the only one who forgot (or intentionally dismissed the crew’s instructions). There are actually two reasons passengers are urged to stow their portable electronic devices.
Although cellular signals are unlikely to seriously interrupt vital equipment communication, they can interfere with air traffic control frequencies, which is particularly annoying during take-off and landing. Also, electronic gadgets can become flying projectiles if they aren’t secured. Seriously, who wants a flying laptop hitting them in the head?