Flew many years of my life as TRE/TRI in line training. I never in "old days", or recent times, permitted F/O trainees, to use auroland and autothrust for approach, after reaching the vicinity of the IAF. Everyone can push buttons, but I want to see a demonstration of basic flying skills for F/Os...
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As far as captains (upgrade training) are concerned, yes, I would admit aurothrust and autoland, if weather conditions so required, and would definitely still require that captain to demonstrate his manual flying skills in most of the approaches during the training.
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Just my own technique.
Happy contrails