Quote:
Originally Posted by Raider Ronnie
It was also mentioned that the terrorist took down all methods of communications and that once you get to a certain elevation cell phones don’t work.
Ever notice how clear the phone calls are from the passengers to their family 🤔🤔🤔🤔🤔🤔🤔🤔
How high was that plane flying when those calls were made 🤔🤔🤔🤔🤔
Posted from my iPhone/Mobile device
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Probably under 10,000 feet to get any real signal. I've flown hundreds and hundreds of times though and you'd be surprised at how high you can be and your phone starts ringing if you didn't turn it off. Text messages can be a bit higher. It's not just altitude but weather, solar activity can have an impact.