[taneq]

DJI drones have been able to navigate back to their takeoff point and land automatically for a while now. Landing's much easier for a multicopter than for a fixed wing aircraft.

[tartuffe78]

Ours went haywire and crashed into a pond onetime when we used the Return to Home feature. YMMV

[taneq]

I didn't say I'd ride on one personally. :P Just that the basics are solved, and reliability is a Simple Matter Of Engineering.