Because fire is such a serious threat for aircraft, the potential fire zones of modern aircraft are protected by fixed fire protection systems. A fire zone is an area of an aircraft designed to require fire detection and/or fire extinguishing equipment and a high degree of inherent fire resistance. “Fixed” means that there is a permanently installed system, in contrast to any portable fire extinguishing equipment. A complete fire protection system will have both fire detection and extinguishing components.


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Fire protection and detection systems are crucial in maintaining the safety of an aircraft and its passengers. These systems are designed to monitor conditions that could potentially lead to a fire within a vehicle, or within flight-critical components, such as the engines and hydraulic systems. Fire protection and detection systems include many components such as smoke detectors, heat sensors, and others.


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