An aircraft engine monitoring system works along the same lines as a say an athlete hooked up to monitoring systems as he exercises in a gym. If any monitor indicates that a vital sign is above normal, the medical expert will decide on the necessary course of action.

In an aircraft it is the pilot(s) who will decide on what action to take when any monitor displays an abnormal reading. So where do these readings come from? Modern day aircraft have several sensors installed at vital places in the aircraft’s engine. For example, there are sensors monitoring engine temperature, oil pressure, and fuel pressure and so on. Each of these sensors are in turn are hooked up to either individual or a single digital monitor installed in the cockpit and capable of displaying information from single o ... Read more »