I have the same impression from videos like [1] but I suppose that is all that is needed to certify the aircraft. It may not happen in the "real world", you nev

I have the same impression from videos like [1] but I suppose that is all that is needed to certify the aircraft. It may not happen in the "real world", you never know how everyone in a plane of hundreds passengers will react, but the design of the plane has to allow it to be "possible". [1]: https://www.youtube.com/watch?v=XIaovi1JWyY https://www.youtube.com/watch?v=XIaovi1JWyY