Aircraft Heading Display; Rate Of Turn Indicator - Aspen Avionics Evolution Backup Display EFD1000 Pilot's Manual

Figure 4-86
Direction Indicator Fail
Figure 4-87

Rate of Turn Indicator

(360° Compass Mode)
Figure 4-88
Rate of Turn Indicator
(ARC Compass Mode)
Page 4-26
091-00027-001 Rev A EBD Pilots Guide V&H .indb 26

4.4.3. Aircraft Heading Display

The aircraft heading is displayed in degrees magnetic (Figure 4-85).
If the aircraft's heading is unavailable or invalid, all heading and navigation information
Figure 4-85
is removed and replaced with a single red X covering the entire lower display area,
Direction of Flight
Numerical Display along with the annunciation DIRECTION INDICATOR FAIL (Figure 4-86).
4.4.4. Rate of Turn Indicator
The Rate of Turn Indicator consists of a curved white line originating from the
corresponding side of the aircraft heading (i.e., a left turn indication starts on the left
side of the index mark) and extends in the direction of the turn along the outer radius
of the compass scale. The turn rate indication is provided for every compass mode, 360°
(Figure 4-87) and ARC (Figure 4-88).
The Rate of Turn Indicator features tick marks for full and half-standard rate turns (a
standard rate turn = 3° per second).
The Rate of Turn Indicator has a range of 0° – 6° per second. When the turn rate exceeds
6° per second, an arrowhead is added to the end of the tape to show that the rate of
turn has exceeded the limits of the instrument.
Evolution Backup Display Pilot's Guide 091-00027-001 REV A
8/27/14 8:51 AM