> Airbus (surprisingly I think) didn’t have any sort of dual input alert They did (and I think from the start, because unlike on Boeing's controls which are me

> Airbus (surprisingly I think) didn’t have any sort of dual input alert They did (and I think from the start, because unlike on Boeing's controls which are mechanically linked, there's no easy way of knowing the other pilot is inputting). From the wikipedia article of the crash: > The inputs cancelled each other out and triggered an audible "dual input" warning. https://en.wikipedia.org/wiki/Air_France_Flight_447 https://en.wikipedia.org/wiki/Air_France_Flight_447 It's just that, as has been seen on many crashes, hearing is one of the first senses that disappears under heavy stress.