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I'm pretty sure autopilot in planes can land them. They don't do this because they need pilots to be trained in how to land them in the event of autopilot failure. I know for a fact there are non-commercial planes, for example, that will detect pilot incapacitation, find the nearest airport, account for local weather, talk to ATC, and land the aircraft.

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Autoland works. But the pilot doesn't turn it on until the tower (other other communication if no tower) says okay, and since nobody else is in the way of course it won't hit anyone.

There is a second mode in some. There it broadcasts emergency, uncontrolled plane will land, get of my way as I won't get out of yours. Useful if the pilot is dead (so a passenger who is told hit that button in an emergency can safely land), but cannot be used for anything else.

Mind linking to evidence regarding the ‘second mode’ you referred to? I have not heard of anything like that, and I am a reporter who covers transportation safety.

That’s ILS, AFAIK, not autopilot per se.

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