If the pilot ignores it or does not take any action on it, then overheating will cause a fire in the aircraft engine, resulting in a Master Warning alarm to sound. Regarding the master caution alarm, we can say that it warns the pilot about the danger so that he can detect and fix the problem. In such a situation, we can guess that if this alarm is ignored then it can prove to be a great threat to the plane. This is the reason that both these indicators are placed in front of the pilots' seats so that in such situations, their attention can be drawn to it quickly. Actually, aircraft have two such features, Master Warning Alarm, and Master Caution Alarm, which are indicated with yellow and red annunciator. If there is a problem in the plane, then the Master Caution alarm will start ringing, and once notified, the pilot may cancel the master caution. This alarm indicates attention and suggests that there is something wrong with the plane, It forces the pilot to find out the problem as soon as possible, and take appropriate action on it. But if the pilot is unable to detect the problem and does not take the right decision to sort out the problem at the right time, then in such a condition the master warning system starts ringing and this alarm keeps ringing until the problem resolves. Let's try to understand both these alarms through an example. Suppose if the engine of the plane is overheated then the Master Caution alarm will start ringing. Flight and crash Helios Airways Flight 522 takes off at 9:07 in the morning, the plane reaches an altitude of around 12040 feet but then suddenly an alarm system starts ringing. After checking this alarm, it has been revealed that this alarm is a take-off configuration warning but the big concern was that this alarm should have sounded on the ground. Well, what is this take-off configuration alarm and why should it ring on the ground, let's first know about it? The take-off warning system is basically a setup of some controls that are used in alerting the pilots for potentially-dangerous errors in an aircraft's take-off. But surprisingly, if there was some problem in the flight's take-off configuration then this alarm should have been sounded during the takeoff, not after going to an altitude of 12000 feet.īut before the pilot could find the answer to this question, the master caution alarm starts ringing, now what is this master caution alarm, let's understand it.
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