There are analog dials, there are digital scanners and then there are classic scanners – each better than the previous. All these dials and scanners are used in modern aircraft to provide engine related information to the pilot(s).

Let’s say as a pilot flying an aircraft, you wanted to know the Exhaust Gas Temperature (EGT). You could do it the old-fashioned way by installing an analog dial EGT gauge or, you can do it the modern way by installing a digital scanner.

A typical scanner (depending on its sophistication), is paired with one or more sensors / probes e.g. EGT and CHT probes. Each of these sensors or probes in turn, is plugged into different parts of the aircraft engine. These sensors (or probes) send back data to t ... Read more »