The EADI displays traditional attitude information (Pitch & Roll) against a two-colour sphere representing the horizon (Ground/Sky) with an aircraft symbol as a reference.  Attitude information is normally supplied from an Attitude Reference System (ARS). 

 

The EADI will also display further flight information, Flight Director commands right/left to capture the flight path to Waypoints, airports and NAVAIDS and up/down to fly to set altitudes.  Information related to the aircraft’s position w.r.t. Localiser (LOC) and Glideslope (GS) beams transmitted by an ILS.  Auto Flight Control System (AFCS) deviations and Autothrottle mode, selected airspeed (Indicated or Mach No) Groundspeed, Radio Altitude and Decision Height information. 

Figure 6 shows a typical EADI display.

EADI display

Figure 6

Last modified: Saturday, 28 October 2017, 2:46 PM