3.
Electronic Flight Instrument
System (EFIS)
GENERAL
The EFIS generates flight path, flight instrument, and navigation
information. It consists of a PFD for each pilot and an MFD on the
central panel, with various cockpit–mounted controllers to select
functions and display modes. Figure 3–1 shows a cockpit layout of the
EFIS.
The EFIS displays the following:
D
Heading
D
Attitude
D
Airspeed
D
Vertical speed (VS)
D
Course orientation
D
Flight path commands
D
Source annunciators
D
Weather radar data
D
Barometric and radio altitudes
D
Navigation mapping data
D
Flight director mode annunciators
D
Checklist
D
TCAS (optional)
D
EGPWS (optional).
EFIS controllers, displays, and reversionary modes are described in the
following paragraphs. Refer to Section 4, Flight Guidance System, for
descriptions of the autopilot controller and the mode selector.
A28–1146–134
REV 1 Jan/03
R
PRIMUS
1000 Integrated Avionics System
Electronic Flight Instrument System (EFIS)
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