Aspen Avionics Evolution Backup Display EFD1000 - Attitude Display

CHAPTER 4 REFERENCE GUIDE
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091-00027-001 REV A Evolution Backup Display Pilot’s Guide
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Evolution Backup Display Pilot’s Guide
4.2. Attitude Display
4.2.1. 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 4-2).
Sky Pitch Scale
Aircraft Reference Symbol Roll Scale
Horizon Line Roll Pointer
Ground Slip/Skid Indicator
The Attitude Indicator cannot be disabled by the pilot. The Aircraft Reference Symbol is
xed 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 4-3).
Figure 4-3
Pitch and/or Roll Data Invalid
Figure 4-2
Attitude Indicator
091-00027-001 Rev A EBD Pilots Guide V&H .indb 8 8/27/14 8:51 AM