this post was submitted on 02 Apr 2024
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No Stupid Questions

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[–] Seigest@lemmy.ca 36 points 7 months ago* (last edited 7 months ago) (7 children)
[–] partial_accumen@lemmy.world 47 points 7 months ago* (last edited 7 months ago) (6 children)

Short answers from the video: (but its a good video if you have the time)

  1. They weigh a huge amount and take up a lot of space, so carrying them on every flight would be crazy expensive for extra fuel cost and reduce other baggage cargo that could be carried.
  2. Current day passengers have difficulty just putting and keeping a simple seat belt on. Properly putting on a parachute, especially in the small space you have in an airliner, and successfully deploying it outside are beyond what airline passengers are capable of doing.
  3. Passenger jets fly too high and too fast to survive jumping out of one at cursing altitude. Even if you successfully put on the parachute, got out of the plane without being sucking into an engine or hitting a control surface at 400MPH, you would quickly suffocate from lack of oxygen and/or freeze to death from the sub zero temperatures at that altitude.
[–] brian@lemmy.ml 5 points 7 months ago (2 children)

Specifically about that third point, how long would it take to get into a "livable" range if you were free-falling? Like obviously hypoxia is a legit concern, but are you going to get out of that range quick enough to avoid real complications?

[–] blargerer@kbin.social 3 points 7 months ago

I have no idea what a livable height is, but it take about 3 minutes to hit the ground falling from that height (obviously there is a lot of error here depending on the exact person).

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