Plain English Meaning

It is the small keyboard and screen the pilot uses to talk to the airplane's flight computer. The pilot types in the route, picks approaches, and reads back what the computer is doing.

Full Definition

The keypad and screen used by the pilot to interact with the Flight Management System (FMS). It is the primary interface for entering the flight plan, selecting navigation sources, loading procedures, and viewing FMS data such as waypoints, fuel, and performance information.

Context Anchor

Seen in equipped with a flight management system, especially when pilots enter or route and information during planning or in .