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I'm a licensed skydiver and the planes we jump out of go about 80 mph. Passenger airplanes go MUCH faster and higher than that and the wind speed alone would rip yer skin off.
also skydiving isn't exactly something that typical commercial airline passengers would ever be interested in doing. If you're not properly trained, you're gonna have a bad time.
In addition to what others said about weight, training, the logistics of moving that many people at once, and other common sense problems; the most times (~80%) something goes wrong with airplanes is during takeoff or landing where you couldn't feasably safely jump out of the plane anyway reducing their effectiveness even further.
Instead of a regular backpack can I just bring a parachute as my carryon?
Yes. TSA has special screening procedures for parachutes.
I want to rent one of those airport mall storefronts and sell parachutes to 737 max customers.
Weight. Chutes are heavy and means more fuel use and less range with less people. Which means more flights, which means more planes, crew, maintenance, parts, landing fees etc.
It would be easier to strap a large parachute to the plane which has been done on small aircraft
I've seen a concept of an airplane that can eject sections of it's hull, each equipped with a large parachute. This can solve the problem of "how to put parachutes on each passenger including kids, disabled and panicked and teach them how to use it". Also it doesn't require the plane to maintain certain height, speed or angle for parachuting.
But of course it will add extra weight to carry, because not only they'll need to install big parachutes, but also ejection system and something to seal off ejectable sections.
Ejectable doors are already a feature for Boeing airplanes.
I literally thought about this on my flight a couple weeks ago, if the plane loses power in the air most people in the plane are just gonna go down with it. I imagine most if not all passengers have no idea how to properly operate a parachute.
Some chance would be better than none right? Don't they have parachutes that automatically deploy at a specific height?
At what cost though? Like a single parachute without an automatic release system costs hundreds, if not thousands. You multiply that by 150 and it’s infeasible. Now include an automatic deployment system, and we’re talking tens of thousands per unit. Not including maintenance and repairs, long-term storage costs, the added weight on the plane. All these costs would be added to passenger tickets at a markup, so that $450 flight across the country is now a $700 flight. The risk also still remains because of depressurization issues, even if you make it to the surface your blood might boil in your body and still cause you to pass.
Logistically, plane accidents that result in loss of life are so rare that it would make more sense to equip every car in production with ejector seats then it would to equip every plane seat with automated parachutes.
Overall, everyone would be better off staying put, not panicking, and hoping a plane and trained pilots can get everyone on the ground, safely.
Building them into the seats makes about all those problems go away. But decreases the amount of seats you can fit on plane and amount of money made per flight and therefore is never going to happen
So, some kind of detachable roof that doesn't randomly detach when it shouldn't? This also doesn't solve the speed, air pressure, and cold problems for the people in the seats.
You have to check them before every flight though.
If a plane can stay level enough for long enough to get people into parachute gear and out the door, chances are good that the pilots can land that plane, which significantly decreases the chances of injury to the passengers.
How do you envisage it working in practice? If a plane had a disaster that will make it crash in a matter of minutes, people wouldn't form an orderly line to jump out with their parachutes. And if the malfunction is not making the plane crash in the next 5 minutes, the plane can probably land safely at the nearest airport.
So another reason is that first class passengers would be at the back of the queue? [ * for the ramp at the back when parachuting]
Not necessarily. I've flown on many flights where the first class has its own door at the front of the plane, and the lower classes have their entrances further down the fuselage, so that the first class isn't bother by the boarding plebs. I fly pleb class btw.
I don't think you can parachute from the front door (which would also put you in front of the engines) - the only airliner stairs to open in flight were at the back.
Haha that is such a good point!
You're not counting children and babies, how will they go out? and besides all the passengers will have to be wearing the parachutes during the flight.
Because imagine trying to, not only, put your own on. But then getting your kids into them...
Found Captain Kirk's account.
No it'd be some Karen who got scared by turbulence trying to jump after convincing half the plane that she knew they were going to crash because of it. The same type of "do your own research" crowd that convinced half the population that COVID was a hoax because they know better!
Jupp, fair reasons those
Actually a good idea I think
That question got me thinking: In which major disaster would there have been time to get people off board and deploy parachutes? Any major disaster I can think of happened so fast or unbeknownst to anyone on board, or in unfavorable conditions for parachutes, i.e. takeoff or landing.
The only one coming to mind is the Gimli glider and that turned out fine.
There's been tons of slow moving air disasters where there would have been time to suit up and jump from a safe altitude. Lots of electrical fires, jammed cables and shoddy repairs over the years.