The question and argument here I think is, what does AoA offer that CAS does not. There is the obvious case where 'g'-loading is involved...
Originally Posted by Chris Scott
But the only time we saw an AoA gauge in the cockpit was when the engineers fitted it temporarily for a flight test, after which it was removed.
Purely as an aside... Concorde
did have an AoA gauge, combined with a G gauge (vertical-scale instrument, on the left of the main flight instruments).
I'll have to ask a pilot again, in what circumstances and to what extent it was used and useful.. I honestly no longer remember.
CJ