Surely you're not contending that autopilots

> Airplanes can fly on autopilot. Autopilot is part of the autopilot-using plane.

are only used in the handful of autonomous flights? also: if autonomous flights were reliable, and could fly reliably, they'd be used more! but they're not, because the problem isn't solved, because good autonomous flight isn't there, because autopilots can't reliably fly planes