[null and void]

And when someone programs the computer for a controlled full power descent into terrain, all the while assuring the pilots it's on a straight level course, the pilots are apt to believe they are on a straight level course well over terrain, and not being alarmed, will do and report nothing.

[Tzfat]

Auto flight systems are hardened, and inaccessible. They are made to survive electromagnetic shock, and are not part of a network. Not hackable. Period.