Airline pilot Patrick Smith has a great description of how much human skill is required, even while using autopilot: (skip down to the section that begins "Her

Airline pilot Patrick Smith has a great description of how much human skill is required, even while using autopilot: (skip down to the section that begins "Here, let me give you a quick demonstration:") http://www.askthepilot.com/pilotless-planes/ http://www.askthepilot.com/pilotless-planes/