>>106122395 (OP)First, slash it by maybe 30% as flight controls are duplicated.
Second, how else would you do it? A plane has many, many functions, from the radio to the flight controls to landing gear to 2-4 engines to deicing to the fasten seatbelt signs. In the physical world you can't have progressive disclosure or hierarchy menus. You could go the Tesla route and bury everything behind a single touchscreen, but do you want your pilot to navigate a menu tree in an emergency?