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2-12 For Training Purposes Only
Sept 04
GUIDANCE PANEL
FLC
CRS 1 FMS SPD MAN CRS 2
PUSH DCT PUSH DCT
HDG ALT
DN
UP
P
I
T
C
H
Honeywell
FD AP FD
CPL
YD
FLC NAV HDG BANK VNAV ALT
APR VS
BC
PUSH CHG PUSH SYNC
GX_02_012
Flight Director (FD) Switch
AP ON
AP OFF
Used to remove flight director command
bars.
– Onside button not function l
offside button removes offside FD.
– Onside button removes both FD
offside button removes offside FD.
a
Flight Level Change (FLC)
Switch
Used to climb or descend to a
new altitude reference, while
maintaining an airspeed or mach
reference.
Navigation (NAV) Switch
Used to arm lateral guidance
for capture of selected
navigation course or desired
track. NAV sources can be
FMS, LOC (only), VOR.
Heading (HDG) Switch
Used to activate the lateral
guidance to compute
steering commands, based
on selected heading.
Bank (BANK) Switch
Used to manually select
bank angle limit in HDG,
or VOR modes.
Heading (HDG) Button
Push Synchronize (PUSH
SYNC) Button
Used to move the heading
bug on PFD.
When pushed, causes
heading bug to synchronize
to airplane heading.
Approach (APP) Switch
Used to arm the lateral guidance
for localizer capture. When
localizer capture, vertical
guidance is armed for glideslope
capture. Also used to arm the
lateral guidance for VOR
approaches when VOR is NAV
source.
Course 1 (CRS 1)
Button
Push Direct (PUSH
DCT) Button
Used to move the
course pointer on
selected PFD.
When pushed,
causes course
pointer to indicate
direct course to
tuned VOR.
Back Course (BC) Switch
Used to select approach
mode guidance for capture
and tracking of back course
data.
Speed (SPD) Button
MAN
FMS
Used to set speed on PFD
(manually or by use of FMS).
- Airspeed reference set
by turning inner knob.
- Airspeed reference set
by FMS.
When
inner knob pushed, changes
IAS to Mach or Mach to IAS.
NOTE:
Annunciator, (on all flight
director mode switches),
illuminates when selected
mode is armed or active.
Annunciator
Light
For Training Purposes Only
Sept 04
2-13
P I LOT T R A I N I N G GU I D E
AUTOMATIC FLIGHT CONTROL SYSTEM
GUIDANCE PANEL (Cont)
CRS 1 FMS SPD MAN CRS 2
PUSH DCT PUSH DCT
HDG ALT
DN
UP
P
I
T
C
H
Honeywell
FD AP FD
CPL
YD
FLC NAV HDG BANK VNAV ALT
APR VS
BC
PUSH CHG PUSH SYNC
GX_02_013
Altitude (ALT) Switch
Used to maintain
pressure altitude at time
of selection.
Yaw Damper (YD) Switch
Used to engage and
disengage the yaw damper.
Disengaging the yaw
damper also disengages the
autopilot.
Cours 2 (CRS 2) Button
Push Direct (PUSH DCT)
Button
Used to move the course
pointer on selected PFD.
When pushed, causes
course pointer to indicate
direct course to tuned
VOR.
e
AP and YD Pointers
Illuminate to indicate which AP guidance
computer or yaw damper channel is active.
Arrows to the left mean FGC No 1 is
controlling. Arrows to the right mean FGC
No 2 is controlling. Computers alternate
control at each power up.
Flight Director (FD) Switch
Used to remove flight
director command bars.
– Onside button not
functional offside button
removes offside FD.
– Onside button
removes both FD offside
button removes offside FD.
AP ON
AP OFF
Autopilot (AP) Switch
Used to engage and
disengage autopilot. When
autopilot engaged, the yaw
damper is engaged simultaneously.
Disengaging the
autopilot does not
disengage the yaw
damper.
Vertical Navigation (VNAV)
Switch
Used to select the vertical
navigation mode, tracking
vertical flight profile from
selected FMS.
Speed/Pitch Wheel
DN
UP
Used to change vertical
reference value being used
by vertical speed (VS) or
pitch (PIT) modes.
- Rotate the wheel
forward to select pitch down
and speed increase.
- Rotate the wheel
backwards to select pitch up
and speed decrease.
Vertical Speed (VS)
Switch
Used to hold a vertical
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AUTOMATIC FLIGHT CONTROL SYSTEM(5)
