What is Flight management system

Question

Discuss what is Flight management system (FMS) in brief?

Answer 1

Outputs from GNSS sensors, air data sensors and other on-board sensors are used by the FMS in order to carry out the essential navigation calculations and offer the information to flight crew through a range of display units. The flight management system offers the flight planning, primary navigation, and optimized route estimation and en route guidance for aircraft and is usually consists of the following interrelated functions: flight planning, navigation, performance computations, trajectory prediction, and guidance. To achieve these functions, the flight management system should interface with the various other avionics systems.