Originally Posted by Mesabah

All of these problems are addressable, you can add human operators if systems are deferred. However, this is really not an issue, since if redundancy is lost, the aircraft would land at the nearest suitable airport. This is like saying we can't go below having 4 engines, because if one fails we can't make it to the destination. Is a two engine jet more costly, than a four engine jet, according to you it is. On top of that, a self driving car is ridiculously more complicated, than an autonomous aircraft. No matter how much you are in denial, this will happen, and soon.