17 Secrets that Airlines DON'T WANT YOU TO KNOW ByAndrea Heckler, 01/06/2017 Gourmandize shares Share on Facebook Share on Twitter Pin it Share on WhatsApp Share on Google+ 3/17 Previous Next THE OXYGEN MASKS ONLY LAST 15 MINUTES Supposedly, this amount of time is sufficient to give the plane enough time to land after a pressure loss occurs... In any case, that's the time limit of the oxygen generators installed at each seat. More steaming articles The "Perfect" Woman According To 18... Only 3% of people can SPOT the hidden... 10 dumb questions you should NEVER ask...