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Tesla braces for its first trial involving Autopilot fatality
(www.reuters.com)
This is a most excellent place for technology news and articles.
It's a difficult comparison to make because planes are maintaining level flight or making smooth wide-arcing turns or gradual changes in altitude, not quickly responding to imminent obstacles and traffic. Even in an autoland situation, it's supposed to follow a gentle descent slope that's planned long in advance. This type of operation isn't really possible with cars, so they require a whole other set of considerations and techniques.