About six weeks ago Garmin introduced a new auto land feature for private aircraft. It senses when a pilot is non-responsive, and it can be easily activated by passengers. It finds the nearest appropriate airport, communicates with air traffic control and lands the plane on its own.
Most aviation accidents in the U.S. involve light aircraft. An average of three times a year a private pilot becomes incapacitated while flying. This looks like a game changer for worst case scenario events.