The Electronic Flight Instrument System (EFIS)

The Electronic Flight Instrument System presents attitude and navigation information to the pilot on two electronic display units in a format that is easier to read and less likely to be misinterpreted than some older mechanical instruments.

As far as the pure basic functions and number of display units are concerned, this system, which is generally referred to as ‘EFIS’ is fully integrated with digital computer-based navigation systems, and utilizes colour Cathode Ray Tube (CRT) or Liquid Crystal Display (LCD) types of Attitude Director Indicator (ADI) and Horizontal Situation Indicator (HSI).

The system is therefore extremely advanced, not only in terms of physical construction, but also in the extent to which it can present attitude and navigational data to the flight crew of an aircraft.

Behnam Bidar

Commercial Pilot Of I.R.I And The Civil Aviation Training Group Supervisor

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The Electronic Flight Instrument System (EFIS)

by Behnam Bidar time to read: 1 min
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