Imagine a suicidal pilot or disturbed passenger who gets access to cockpit, messes with the buttons. He shuts down engines, IRS, and battery, it's the middle of the night at cruise altitude. Would it be possible to restart everything during flight and land safely ?
closed as too broad by J. Hougaard, DeltaLima, jwenting, Gerry, Ralph J Jan 2 at 15:33
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.