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At the center of the PFD is the attitude indication
(Figure 16-10). The amber symbol represents
the airplane, and the amber bars represent
the wingtips. The horizon line is white, with
brown (ground) below and blue (sky) above.
The horizon line indicates 0° pitch. Pitch lines
are at 2.5° intervals above and below the horizon
line and are labeled at 10° intervals. Red
chevrons indicate extreme pitch at greater than
50° nose-up or 30° nose-down (Figure 16-11).
Roll indication is provided by an arc at the top
of the display that rotates with the horizon
line. The arc has major tick marks at 30° and
60°, and minor tick marks at 10°, 20° and 45°.
Turn Coordination (Slip/Skid)
Turn coordination is indicated by a small sliding
bar (slider) under the attitude display roll
pointer (Figure 16-12). The slider deflects a
full width left or right of the roll pointer to indicate
the same condition as indicated by a ball
positioned one ball width to the left or right
of center in a conventional instrument.
Flight Director Command Bars
The single-cue command bars vertically move
together to indicate pitch commands and bank
left or right to indicate roll commands (Figure
16-13). Command bars that display as a cross
16-14 510OM-00
CITATION MUSTANG OPERATING MANUAL
30 30
60 60
40
50
40
50
10 10
40
30
20
40
30
20
NOSE HIGH NOSE LOW
Figure 16-11. Pitch Attitude Warnings
20 Figure 16-12. Slip/Skid Indication
20
10
20
10
10 10
1
9
8
7
6
5
4
3
2
5
6
7
8
4
3
2
9
1
ROLL POINTER
ROLL SCALE ZERO
SKY REPRESENTATION
SLIP/SKID INDICATOR
PITCH SCALE
LAND REPRESENTATION
AIRCRAFT SYMBOL
HORIZON LINE
ROLL SCALE
Figure 16-10. Attitude Indication
pointer move independently to indicate pitch
(horizontal bar) and roll (vertical bar) commands.
Both PFDs show the same command
bar format (Figure 16-14).
To change the flight director format, activate
the FD FRMT softkey using the PFD softkey.
The pilot can then choose between SNGL CUE
or X POINTR to determine the desired flight
director information.
Altimeter
Moving Tape Display Box
White numerals and tick marks on a transparent
rolling-tape display box indicate altitudes
currently above and below the current altitude.
Each minor tick mark indicates 20 feet,
and each major tick mark (with a number) indicates
100 feet.
Altitude Pointer
The current altitude (indicated in feet above
mean sea level) appears as a rolling numeric
display (white numbers on black) in the center
of the altitude display box (Figure 16-15).
This display has a pointer, which always points
at the center of the altitude tape.
Trend Vector
On the inside left edge of the tape, a magenta
trend vector indicates predicted altitude in 6
seconds at the current rate of altitude change.
Selected Altitude Bug and Box
A box at the top of the altitude display indicates
the preselected altitude. A corresponding
notched cyan bug appears on the right edge of
the altitude display at the selected altitude, or
at the end of the display if the selected altitude
is off scale. The reference altitude is selected
with the ALT SEL knob on the AFCS controller.
Reference Altitude Alerting
When the aircraft is more than 1,000 feet above
or below the reference altitude, the digits in
the selected altitude box are cyan on black
510OM-00 16-15
COMMAND BARS
AIRCRAFT SYMBOL
Figure 16-13. Flight Director Single-Cue
Command Bars
CITATION MUSTANG OPERATING MANUAL
1500
900
14000
1400
1300
1100
1000
30.09IN
12
20
00
80
SELECTED
ALTITUDE BUG
ALTITUDE
TREND
VECTOR
BAROMETRIC
MINIMUM
DESCENT
ALTITUDE BUG
BAROMETRIC
SETTING
CURRENT
ALTITUDE
SELECTED
ALTITUDE
Figure 16-15. Altimeter
COMMAND BARS
AIRCRAFT SYMBOL
Figure 16-14. Flight Director Cross-
Pointer Command Bars
(see Figure 16-15). When the aircraft is at the
reference altitude (±1,000 feet), the colors reverse
(black digits on cyan). When approaching
within 1,000 feet of the reference altitude,
the digits and their background flash (alternate
colors) continuously for 5 seconds. When departing
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