I hadn’t precluded training, as it’s obvious that it’s as important if not more important than technology as a safety measure. It was assumed by others that I was only talking about hardware issues.. Either way I’ll bet it’s subject to a cost benefit analysis…

My personal opinion is that the investment should be made in crew training, instead of adding redundant redundancy at the design stage. You can’t really make aeroplanes any safer than they already are with current technology.

Agreed, 99.999999% of all accidents are human error. Modern designs are building in functions to stop the pilot performing safety hazardous operations in certain circumstances.