Flight navigation and engine instrumentation systems were until a few years ago, two completely independent units. In the recent years however, while still retaining their core independence, these two units have merged in that the flight navigation now accepts direct data feed from the engine instrument system. It also accepts feed from compatible GPS system.

For the uninitiated, flight navigation essentially consists of three components – visual, radio and GPS. Visual flight navigation usually takes place when the plane is approaching its destination and the pilot(s) look out of their window for visual indicators that confirm they are in the right place. These visual indicators could be ... Read more »