Plain English Meaning
A computer-driven tool in the aircraft that figures out where the airplane is, where it is going, and how to get there, then shows that information to the pilot.
Full Definition
An electronic device or aircraft system that automatically calculates position, course, and guidance information using inputs such as GPS satellite signals, ground-based radio navigation aids, or onboard sensors, and presents the resulting navigation data to the pilot.
Context Anchor
Pilots encounter computerized navigational systems in cockpit displays, flight planning, instrument training, and .