An airline pilot has gone viral on social media for sharing the important reason why you need to activate airplane mode on your mobile phone before a flight takes off.

UNDATED (WKRC) - A pilot went viral on TikTok for his explanation of why you should put your phone in airplane mode during a flight. A TikToker uploaded a video on December 2, during which he explains why airplane mode should be turned on during a flight. The video has since gone viral and has been viewed nearly a million times.

A good rule of thumb when flying is to always listen to the flight crew, including when they ask you to turn on airplane mode.