4 dangerous reasons why airplanes don't fly over Tibet

The Truth Behind Why Airliners Don't Fly Over Tibet

Also called the “Roof of the World” due to its gargantuan Tibetan Plateau, the considerable heights within this mountain range make it impossible for airplanes to fly over.

Why don’t planes fly over Tibet? There is a common aviation rule when it comes to planes soaring over this particular part of the earth, and there are no strange phenomena involved, rather the problem is the extremely high mountain ranges within the area.

Also called the “Roof of the World” due to its gargantuan Tibetan Plateau, Tibet's considerable height makes it impossible for airplanes to fly over. The question led a thread on Quora, where everyone from airline employees to mathematicians gave their two cents.

Tim Hibbetts, an airline worker who started the discussion, noted that in this part of the world, “low” areas average above 12,000′. This presents a problem since, in the case of decompression in the cabin, most airlines only have 20 minutes of oxygen for passengers.

“There are flight rules in place that force operators to be able to descend to 10,000′ prior to running out of emergency oxygen. Obviously, this part of Asia is a huge region, and there would be a large swath that would be impossible to escape so quickly,” writes Hibbetts.

The only airline to develop useable escape routes over Tibet is Cathay Pacific...
Read more: https://interestingengineering.com/the-truth-behind-why-airliners-dont-fly-over-tibet

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