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- Several different types of fire detection systems are installed in aircraft to detect engine fires. Two common types used are spot detectors and continuously loop systems. Spot detector systems use individual sensors to monitor a fire zone.
www.faa.gov/sites/faa.gov/files/11_amtp_ch9.pdf
- The Engine Fire Detection System
- The Cockpit Fire Alerting System
- The Fire Extinguishing System
- What If An Engine Fire Were to Occur in Flight?
In most large aircraft, engines and the APU are lined with loops or firewires where a fire is most likely to happen. Firewire is a tubular structure consisting of an electrode covered in an insulating material which is then covered by a steel tube. This firewire is connected to the fire detection computer or the control unit. The control supplies a...
How the fire alert is given in the cockpit varies from aircraft to aircraft. Typically, it consists of a visual and an audible alert. Some older aircraft are fitted with an electrical bell which can be seen in the cockpit. The pilots are also provided with a means to test the fire detection system before the flight. This is a mandatory test for the...
The onboard engine fire extinguishing system consists of fire bottles that are filled with fire extinguishant under pressure. The extinguishant of choice, for now, is Halon 1301 because it's non-corrosive and non-conductive. This prevents severe damage to the engine components after it is extinguished. The only drawback of Halon is that it is an oz...
An engine fire is a serious event that calls for immediate action from the pilot. If a fire is detected by the system, cockpit warnings are given out. This includes visual and aural alerts. The first action is to cancel the alarm, as it can be a major distraction. The second step is to shut down the engines. This requires the pilots to bring the re...
- Journalist
- Smoke detectors: optical, photoelectric and ionic. Optical smoke detectors. An optical smoke detector is a device that detects smoke generated in a fire and is drawn into the detector, so that by using light-emitting diodes (LEDs) to illuminate the surrounding area of the smoke chamber detector analysis.
- Temperature detectors: thermal and thermovelocimetric. Thermal detectors. They are used to detect high temperatures, activating an alarm signal once the predefined temperature threshold has been exceeded in your camera.
- Flame detectors: infrared, ultraviolet and combined IR+UV. These models of flame detectors use infrared or ultraviolet light sensors to detect the characteristic spectrum of a flame.
- Linear infrared detectors. Linear infrared detectors or commonly called “smoke or linear barriers” are a type of detector that uses beams of infrared light to detect objects.
- Types of Fire Detectors. Ionization Smoke Detectors. Photoelectric Smoke Detectors. Heat Detectors. Combination Detectors (combining ionization and photoelectric)
- Ionization Smoke Detectors. Ionization smoke detectors are commonly used in residential settings. They contain a small amount of radioactive material (usually americium-241) that ionizes the air within the detector.
- Photoelectric Smoke Detectors. Photoelectric smoke detectors use a light source (usually an LED) and a photosensitive sensor. When smoke enters the chamber, it scatters the light, causing it to reach the sensor and trigger the alarm.
- Heat Detectors. Heat detectors are designed to respond to increases in temperature. They do not detect smoke and are often used in areas where smoke detectors may produce false alarms, such as kitchens.
Several different types of fire detection system are installed in aircraft to detect engine fires. Two common types used are spot detectors and continuously loop systems. Spot detector systems use individual sensors to monitor a fire zone.
Mar 3, 2021 · A visual guide and discussion on the major components of a fire alarm system.
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May 10, 2019 · The four main purposes of a basic fire alarm system are: Detect a fire; Alert occupants of the fire condition; Activate safety control functions; Alert the local fire department; Some of the fire alarm system components require complex design and engineering to accomplish, but in all cases these serve as one of the four primary functions. All ...
