An engine-indicating and crew-alerting system ( EICAS ) is an integrated system used in modern aircraft to provide aircraft flight crew with instrumentation and crew annunciations for aircraft engines and other systems. On EICAS equipped aircraft the "recommended remedial action" is called a checklist.
8-444: EICAS typically includes instrumentation of various engine parameters, including for example speed of rotation, temperature values including exhaust gas temperature , fuel flow and quantity, oil pressure etc. Other aircraft systems typically monitored by EICAS are for example hydraulic, pneumatic, electrical, deicing, environmental and control surface systems. EICAS has high connectivity & provides data acquisition and routing. EICAS
16-455: A light behind a translucent button, failures are shown as a list of messages in a small window near the other EICAS indications. Some alternatives are: The system is called EICAS at least on the following aircraft: The first Boeing airliner with EICAS was the Boeing 757 . The Boeing 747 has EICAS since the 747-400 . No version of the Boeing 737 has EICAS. The Boeing 717 has CFDS, as it
24-501: A wideband oxygen sensor to lean the fuel ratio a bit to safely raise the temperature for more power. Though by tuning primarily by EGT and air fuel ratio values, EGT is still to this day a used data output for engine tuning. When fine tuning an engine, if possible with the ECU manipulation with the cylinder's timing can be made. By adjusting the timing, the resultant cylinder temperature can be used to improve cylinder efficiency. Though this
32-447: Is a meter used to monitor the exhaust gas temperature of an internal combustion engine in conjunction with a thermocouple -type pyrometer . EGT gauges are found in certain cars and aeroplanes. By monitoring EGT, the driver or pilot can get an idea of the vehicle's air-fuel ratio (AFR). At a stoichiometric air-fuel ratio, the exhaust gas temperature is different from that in a lean or rich air-fuel ratio. At rich air-fuel ratio,
40-424: Is a key function of a glass cockpit system, which replaces all analog gauges with software-driven electronic displays. Most of the display area is used for navigation and orientation displays, but one display or a section of a display is set aside specifically for EICAS. The crew-alerting system (CAS) is used in place of the annunciator panel on older systems. Rather than signaling a system failure by turning on
48-581: Is possible to call up the wrong checklist. Messages forbidding take-off can be shown as advisories. The 757, 767, and 747-400 have no electronic checklists. The ERJ and the E-Jets have no electronic checklists. The CRJ have no electronic checklists. The Do-328 and the Do-328JET have no electronic checklists. The Saab 2000 has no electronic checklists. Exhaust gas temperature gauge An exhaust gas temperature gauge ( EGT gauge or EGT sensor )
56-497: The exhaust gas temperature either increases or decreases depending on the fuel. High temperatures (typically above 1,600 °F or 900 °C) can be an indicator of dangerous conditions that can lead to catastrophic engine failure. Using an EGT meter alone is considered an older technique for getting the most out of petrol and diesel engines , as gauge-type wideband digital oxygen sensors are similarly priced. However, some advanced racers will use EGT gauges in combination with
64-737: Was originally a McDonnell Douglas product. The Embraer ERJ family and the Embraer E-Jet family have EICAS. The Bombardier CRJ and the Bombardier CSeries have EICAS. The Fairchild-Dornier 328JET has EICAS. The COMAC ARJ21 and the COMAC C919 have EICAS. The Saab 2000 has EICAS. The Dornier 328 and the Dornier 228NG have EICAS. The Xi'an MA60 and the Xi'an MA600 have EICAS. On some Bombardier aircraft, it
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