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Parachutes require pretty specific conditions to be able to use, and they require a fair amount of know-how. Expecting random passengers to be able to operate a parachute at all is basically a losing battle, and if you had people jumping out of planes that were on their way down, you'd have a lot more people dying (speculation but I'd wager money on it) than if they just stayed in the plane. Plus it'd be a horrible look for the airline - even worse than a plane crashing and killing everyone on it - if they had dead people raining down over cities and whatnot because they jumped and didn't properly deploy their chute, or deployed it too quickly, or didn't jump at the right time and got hit by the plane or any number of other possible problems.
Fighter jets and the like have ejection seats that specifically propel the pilot away from the plane before deploying the chute, and recreational (or military) planes that people are jumping from are designed for that purpose, and are moving a lot slower than commercial airliners. Opening the door on a plane to let people jump would cause more problems than keeping them on the plane. (People getting sucked out the door and the like.) Getting passengers safely clear of a plane that's going down unrecoverably would be basically impossible.
https://en.wikipedia.org/wiki/Nick_Piantanida
This guy was in a remote controlled, parachute equipped gondola at 17km altitude wearing a pressurized suite. His suit broke and even though the emergency descent of the gondola was immediately activated to descend safely, he later died from embolism (bubbles forming in the blood because of rapidly decreasing pressure). Passenger jets cruise at about 11km so i gather it would be similar.
Just train random airline passengers on how to properly perform a HALO jump during the pre-flight safety briefing. I’m sure it’s fine.
Wtf, Felix Baumgartner's Jump was over 12 years ago in 2012? That can't be right, what wibbly wobbly time fuckery is this?? 😵💫
Plus a lot of flights are above ocean or rough terrain a lot of the time, limiting the possibilities even more.
Commercial airlines also fly really high up. If you were ejected at cruising altitude, the first thing you would do is pass out and fall for a few minutes. Hopefully you wake up in time to orient yourself and activate a parachute.
That's not to say you couldn't have an auto deploy mechanism at a given altitude. I haven't skydived (skydove?) in years, but isn't there an emergency deployment mechanism if the chute hasn't deployed by a certain altitude?
I know absolutely nothing about this, but aren't there parachutes that basically just auto-deploy as soon as you jump? I seem to remember seeing something where people hop out and are followed out by a long piece of string that catches on the plane and yanks the chute when it hits a certain length, or something like that. Presumably they don't work at 11km elevation though.
You’re describing a static line jump. You’re also right that it’s irrelevant to passengers jumping out at an extreme altitude and having a parachute open much later. Static lines are used for planes that are already flying at an appropriate altitude for the parachute to open.
Yeah just looked it up and that's exactly what I was thinking of! Aside from the obvious technical limitations and the part where you probably couldn't teach average Joes to parachute reliably, I imagine the simple act of getting everyone to actually jump out of a plane is probably immeasurably difficult too. Like I know people who won't even walk across certain bridges because their fear of heights just won't allow it, getting someone like that to muster the courage to jump would be impossible.
The emergency deployment system is your skydiving instructor grabbing onto you and pulling the cords of your primary (in case it was user error), then secondary (in case the primary failed) and finally just holding on while the instructor deploys their chute.
There probably is, but that brings in another huge problem. Maintenance of all this stuff, parachutes can't just stay packed indefinitely. Maintaining 100s of parachutes per plane is wildly impractical.
True, plus the liability. I'd also imagine the optics might be a bit better when you have the plane go kaboom into the ground vs having a number of people go splat in a populated area.
Skydiven.
Ah, yeah this makes total sense actually. Thanks for the insight!