Not necessarily - I'm no aviator but from my understanding even if there are non-functioning systems the airplane can still fly: https://www.aviationsafetymagazine.com/features/inoperative-...
Here's an example of where that went wrong: https://youtu.be/iMMQ6-OfnL0?t=729
Although I do agree that the aviation industry takes safety very seriously.
Not necessarily - I'm no aviator but from my understanding even if there are non-functioning systems the airplane can still fly: https://www.aviationsafetymagazine.com/features/inoperative-...
Here's an example of where that went wrong: https://youtu.be/iMMQ6-OfnL0?t=729
Although I do agree that the aviation industry takes safety very seriously.