> Why doesn't ATC demand they come in to line Time and workload permitting, ATC should inform aircraft of deviations. But most ATC, even in the US, are not pil

> Why doesn't ATC demand they come in to line Time and workload permitting, ATC should inform aircraft of deviations. But most ATC, even in the US, are not pilots. And ATC instructions are required to be followed except in an emergency, but "demand" is not the right word, as the captain is the final authority in civil flights. > Is the co-pilot allowed to smash the pilot in the face Well, that would be unusual, and doing it on final pretty hazardous. But in the Germanwings and probably MH370 accidents, that was the only option to avoid those accidents. https://en.wikipedia.org/wiki/Germanwings_Flight_9525 https://en.wikipedia.org/wiki/Germanwings_Flight_9525 In small airplanes, instructors are prepared to override the rudder by evaluating how strong students are ("So, do you go to the gym?"), and purposefully focusing maximum force on the rudder controls.