Plain English Meaning

A system that flies the aircraft for you, following settings you choose, while you watch over what it's doing.

Full Definition

An aircraft system that automatically controls the airplane's flight path by manipulating the flight controls without continuous pilot input. A basic autopilot can hold heading and altitude; more capable systems can track navigation courses, fly approaches, and manage climbs and descents. remains responsible for the at all times and must the autopilot's .