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ALT
ALT CRS2
XFR FD
TURB AP DISC
AP ENG
PUSH
CANCEL
PUSH
DIRECT
P604_04_036
7000 7000
10000 10000
10 10
10 10
MDA MDA
A A
A A
HDG HDG
A A
DR ALTS DR ALTS
A A
AP
FD2 FD1
AP
2500M 2500M
M.452 M.452
280 280
240 240
220 220
250 250
260 260
29.92 IN 29.92 IN
PILOT PFD COPILOT PFD
900
800
100
200
10 000
900
800
100
200
10 000
AUTOMATIC FLIGHT CONTROL SYSTEM
For Training Purposes Only
May 03
4-15
P I LOT T R A I N I N G GU I D E
Flight Director Command Bars
The flight directors provide integrated pitch and roll control guidance by means of
magenta inverted V-shaped command bars on the ADI of the PFD.
The command bars are always in view when the flight director is being used or when
the autopilot is engaged. The command bars are out of view when the flight director is
turned off or flagged, or when the aircraft’s attitude is extreme.
Flight Director Command Bar
Figure 4-11
Flight Mode Annunciator (FMA)
Lateral and vertical FD modes are presented in the Flight Mode Annunciator (FMA)
displayed on each PFD. The FMA is located above the PFD ADI display.
The FMA is divided into two fields separated by vertical cyan lines. The left field
displays the active/captured and armed lateral flight director modes. The right field
displays the active/captured and armed vertical FD modes.
FMA Active/Captured Mode Display
The active/captured lateral and vertical modes are displayed in steady green text.
Lateral and vertical modes that are capturing are displayed in flashing green text for 5
seconds, then change to steady green text.
If the active lateral or vertical mode becomes invalid (sensor data), the flight control
system removes the invalid steering commands from the affected flight director. A red
horizontal line is superimposed over the affected active mode annunciation.
7000
5000 1.0
10
10
MDA
A
A
TO
A
DR TO
ALTS
YD
2500M 4
4
2
2
1
1
200
29.92 IN
P604_04_037
0 FT
60
40
VT 158
V2 139
VR124
V1 120
0
200
300
000
100
2
1
100
FD Command Bar
AUTOMATIC FLIGHT CONTROL SYSTEM
4-16 For Training Purposes Only
May 03
P I LOT T R A I N I N G GU I D E
FMA Armed Mode Display
The armed lateral and vertical modes are normally displayed in steady white text in the
lower portion of the lateral or vertical field. Up to two vertical modes may be armed
simultaneously.
Flight Mode Annunciator (FMA)
Figure 4-12
Flight Control Panel (FCP)
The Flight Control Panel (FCP) is the mode selection panel that controls the flight
director and autopilot functions. The FCP is located on the glareshield and is
accessible to both pilots.
Flight Control Panel
Figure 4-13
7000
12000 1.0
10
20
10
MDA
A A
A
HDG
LNV1
DR VS
ALTS
AP
2500M 4
4
2
2
1
1
M.454
280
240
220
250
260
10
400
200
100
300
29.92 IN
P604_04_038
Lateral Active/Captured Field Vertical Active/Captured Field
Lateral Arm Field Vertical Arm Field
FLC
SPEED
NAV HDG APPR
1/2 BANK
HDG
B/C
ALT
CRS1 ALT CRS2
FD VS FD
VNAV
DOWN
UP
XFR
TURB AP DISC
AP ENG
PUSH
DI
RECT
IAS/MACH
PUSH
SYNC
PUSH
CANCEL
PUSH
DIRECT
P604 04 031
AUTOMATIC FLIGHT CONTROL SYSTEM
For Training Purposes Only
May 03
4-17
P I LOT T R A I N I N G GU I D E
FCC Status Indicator Lights
There are two green status indicator lights, one on either side of each mode button.
When a pilot selects an FCP button, the request is sent to both active FCCs (1A and
2A, or 1B and 2B). When the FCCs determine that conditions are correct for the
selected mode, they send acknowledgement signals back to the FCP and illuminate the
green lights on either side of the selected button.
The left light indicates that FCC 1 (A or B) has acknowledged the request. The right
light indicates that FCC 2 (A or B) has acknowledged the request.
Illumination of the status indicator lights does not provide the
flight crew with a complete representation of active or armed
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