Xwing's autonomous Cessna Grand Caravan 208B. Xwing Xwing, a Bay Area aviation startup, just completed its first "gate-to-gate" autonomous flight with its flagship aircraft, a Cessna Grand Caravan 208B. Xwing's autonomous Cessna Grand Caravan 208B. Xwing All pilots had to do was sit back and monitor while the plane started up, taxied out, took off, flew, landed, taxied back, and shut down all on its own. Xwing's autonomous Cessna Grand Caravan 208B. Xwing The flight took place in February 2021 at Buchanan Field Airport in Concord, California just outside of San Francisco. A pilot was inside the aircraft but merely to watch over the systems, talk to air traffic control, and take over for the automated system if need be.