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AUTOMATIC FLIGHT CONTROL SYSTEM
Volume 2 Flight Crew Operating Manual May 06/2005
04-01-06 CSP 100-6 REV 2
FLIGHT DIRECTOR SYNCHRONIZATION
Flight director synchronization is selected by pushing the AP/FD sync button, located on the side of each control wheel,
while in operational mode, which enables FD synchronization selection. FD synchronization selection is enabled while in
roll, lateral GA, pitch, vertical TO, altitude hold, vertical speed, flight level change and vertical GA modes.
FD synchronization is deselected when the AP/FD button is released, and no vertical or lateral mode is active that has a
synchronization reference, a lateral or vertical mode switch is pressed, or the FD is off.
CFO1101002_030
AUTOPILOT
SYNCHRONIZATION
SWITCH
ID
INPH
TX
OFF
RUN
L ENGINE
OFF
RUN
TO
CLB
MAX
REV
APR
TO
IDLE
MAX
R ENGINE
REV
TO/GA
CFO1101002-029
TOGA
SWITCH (2)
TAKE-OFF/GO AROUND
(TO/GA) SWITCH
THRUST
REVERSER
LEVER
REV
REV
CLB
IDLE
TO/GA
APR
EV 2
AUTOMATIC FLIGHT CONTROL SYSTEM
May 06/2005 Flight Crew Operating Manual Volume 2
REV 2 CSP 100-6 04-01-07
FLIGHT DIRECTOR LATERAL MODES
There are eight lateral FD modes.
- ROLL
- TO (takeoff)
- HDG (heading)
- NAV (navigation, i.e. FMS, VOR)
- GA (go-around)
- APPR (approach)
- BC (back course)
- 1/2 BNK (half bank)
Lateral modes are armed or activated by push buttons on the flight guidance panel or the thrust levers. Disabling the active
lateral mode is accomplished by re-selecting the active FGP push button or by selecting another lateral mode.
ROLL MODE
Roll mode is the default lateral mode of the flight director. When the autopilot is engaged and no other lateral mode is selected,
the flight director automatically defaults to the basic ROLL mode. Roll mode generates commands to hold the existing
heading when the mode is selected unless the roll angle is over 5°. In that case, commands are generated to hold the
roll angle present at the time of mode selection. The roll mode reference is reset to the current heading, or the current roll
angle upon autopilot engagement or flight director synchronization.
The FD automatically defaults to the basic ROLL mode when NAV mode is being used and the navigation source is lost.
ROLL mode is annunciated by a green ROLL in the active lateral field of the PFD.
CFO0401002_006
00
IAS 225
M
.54
.50
.42
.38
4200
4
2
1
1
4
ALTS
AP YD PTCH
20
10
20
10
350 16000
350 00
4
3
100
00
00
352 00
80
20
2
29.92 IN
.46
.46
.5
1
UTC
° C
11 : 42
SAT -15
ISA -5 ° C
ROLL
AUTOMATIC FLIGHT CONTROL SYSTEM
Volume 2 Flight Crew Operating Manual May 06/2005
04-01-08 CSP 100-6 REV 2
FLIGHT DIRECTOR LATERAL MODES (Cont)
LATERAL TAKEOFF MODE
Pushing one of the TO/GA switches, prior to the start of the takeoff roll, activates the lateral and vertical takeoff modes.
However, a takeoff flap setting is required to get proper takeoff mode display.
The lateral takeoff mode generates a heading hold command once airborne. The heading hold is based upon the actual aircraft
heading at the moment of weight-off-wheels. The mode has a 5° bank angle authority. Lateral takeoff mode is annunciated
by a green TO in the active lateral field of the PFD.
HEADING MODE
The HDG switch and knob generate commands to capture and maintain a pilot selected heading. Selected headings are displayed
by a digital heading readout and heading bug on the PFD.
Heading mode is selected by pushing the HDG push button on the FGP. The HDG knob is used to change the selected heading
command. Pressing the push button in the center of the knob resets the heading bug and digital readout to the current
aircraft heading.
Heading mode is indicated by a green HDG in the active lateral field of the PFD.
CFO0401002_014
00
IAS 225
M
.54
.50
.42
.38
4200
4
2
1
1
4
ALTS
YD
20
10
20
10
350 16000
350 00
4
3
100
00
00
352 00
80
20
2
29.92 IN
.46
.46
.5
1
UTC
° C
11 : 42
SAT -15
ISA -5 ° C
TO TO
CFO0401002_007
00
IAS 225
　
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