Rather narrow in scope, this video shows the potential problems of a philosophy that has as its goal to prevent pilots from exceeding the a/c limits.
There is nothing fundamentally wrong with such an approach, but the devil is in the intent.
Intention drives every human endeavour, and goals have brackets.
First of all, it presumes to fill a void in aviation that wants expansion. What are the statistics of Loss of Control accidents and parenthetically, CFIT. The answer is there are none that cannot be massaged.......
A premier example of CFIT is the introduction flight of the very aircraft that "introduces" a solution to CFIT. Habsheim.
The pilot exceeded the limits of the a/c, and it crashed. Embarrassing.
The upshot is there are still professional and wellfounded discussions surrounding the philosophy, and "statistics", of course, are utilized parochially to push one or the other agenda.
Clearly, AF 447 exemplifies problems this philosophy has yet to wring out of its expression in commercial flight. Criticism comes from her own pilot crews, and those of the main competitor.
There are first hand criticisms of real time events in the record.
"Je ne comprends riens". "What is wrong?" "What do we do"?
"Disregard the STALL". "Do NOT disregard the STALL". "Do NOT re-select the autopilot". "The aircraft may climb unexpectedly"
These are incendiaries, to be sure. The important part of the conversation is the conclusion that there is no conclusion. This is troubling at every level.
AF 447 is too full of failures to isolate the philosophy of the design as cause. Did it contribute? That is the question.
And that there is such a question remaining is troubling. Doubt is no friend of safe travel.