Display system in an aircraft's cockpit which displays flight information electronically
For the French international school with the acronym EFIS, see École Franco-Indienne Shishya.
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EFIS on an Airbus A380EFIS on an Eclipse 500Garmin G1000 on a Diamond DA42Primary flight display of a Boeing 747-400
In aviation, an electronic flight instrument system (EFIS) is a flight instrument display system in an aircraft cockpit that displays flight data electronically rather than electromechanically. An EFIS normally consists of a primary flight display (PFD), multi-function display (MFD), and an engine indicating and crew alerting system (EICAS) display. Early EFIS models used cathode ray tube (CRT) displays, but liquid crystal displays (LCD) are now more common. The complex electromechanical attitude director indicator (ADI) and horizontal situation indicator (HSI) were the first candidates for replacement by EFIS. Now, however, few flight deck instruments cannot be replaced by an electronic display.
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