I'm sitting in one of the two front seats of a small plane that's flying at about a thousand feet and headed for a regional airport just west of Sacramento. The landing sequence is about to begin, and I'm watching the flight yokes push forward. But the pilot sitting next to me isn't touching them.
"Auto-land sequence initiated" says a Siri-like voice. (In this case the name's Luca.)
The experimental Cessna 208 Grand Caravan we're descending in is under the complete control of Superpilot, an autonomous flight system developed by Xwing. In a matter of years, the startup hopes, a fleet of its autonomous planes will be delivering cargo, with no pilots on board.