Which computer system allows flight routes to be preprogrammed using a data loader?

The Flight Management System (FMS) is a critical component in modern aircraft that facilitates the planning and navigation of flight routes. It enables pilots and flight planners to create and program flight plans using a data loader. This system integrates various navigational inputs, allowing for optimization of flight paths based on several factors, including air traffic constraints, weather conditions, and fuel efficiency. The FMS can store waypoints, airways, departure and arrival procedures, and alterations to routes, which are automatically managed during flight.

The FMS communicates with various other systems on the aircraft, such as autopilot, but it is distinct in its capability to preprogram detailed flight plans, which the FMS then executes during flight. This automated management of the flight route significantly enhances situational awareness and efficiency, contributing to the overall safety and performance of the aircraft.

In contrast, the autopilot system primarily assists in controlling the aircraft's flight path once a route is established, the GPS navigation system provides positioning information but does not inherently include sophisticated flight planning features, and the Flight Management Display is an interface used to show the information managed by the FMS rather than a system that programs flight routes.