Flight Management System(FMS)
Definition
A computer system managing navigation, performance, and flight planning. The FMS calculates optimal routes, manages fuel predictions, and couples to the autopilot for automated lateral and vertical navigation.
Why Flight Management System Matters for Pilots
Instrument knowledge is tested on every pilot certificate exam. Understanding how Flight Management System works helps you interpret cockpit information correctly and recognize instrument failures before they become emergencies. This knowledge is especially critical for instrument-rated pilots flying in reduced visibility.
Exam Tip
This concept is commonly tested in instruments-related questions on FAA and EASA exams. Make sure you can explain Flight Management System in your own words for the oral exam. Practice applying this concept to real-world scenarios, not just memorizing the definition.
Related Terms
Autopilot
An automated flight control system that maintains aircraft attitude, heading, al...
Lateral Navigation(LNAV)
GPS-based lateral guidance for non-precision approaches. LNAV approaches use a m...
Vertical Navigation(VNAV)
Automated vertical flight path management by the FMS or GPS. VNAV can provide ve...
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