Aspen Avionics EVOLUTION EFD1000 PRO MAX PFD - Attitude Indicator

CHAPTER 4 REFERENCE GUIDE
EFD1000 PRO MAX PFD Pilot’s Guide
Page 4-2
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4.1 Attitude Indicator
The Attitude Indicator consists of an aircraft reference symbol on a blue (sky) and brown
(ground) background. The white horizon line separates the sky from the ground and
extends to the edge of the display. The Roll Scale curves over the top of the Attitude
Indicator while the Pitch Scale extends vertically in the middle. The slip/skid rectangle is
directly underneath the roll pointer (Figure 4-1).
Sky Flight Director
Aircraft Reference Symbol Roll Scale
Horizon Line Roll Pointer
Ground Slip/Skid Indicator
Pitch Scale
The Attitude Indicator cannot be disabled by the pilot. The Aircraft Reference Symbol is
fixed relative to the Attitude Indicator and overlays all other Attitude Indicator symbols.
Pitch and roll panel tilt adjustments are is provided to installers to compensate for
variations in installations and tilted panels.
NOTE
A red X and the annunciation ATTITUDE FAIL displays
on the Attitude Indicator as long as pitch or roll
attitude data is invalid (Figure 4-2).
Figure 4-2
Pitch and/or Roll Data Invalid
Figure 4-1
Attitude Indicator