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P I L O T T R A I N I N G G U I D E
Heading Select (HDG) Mode
The heading select mode is activated via the HDG switch on the guidance panel.
HDG Switch:
When selected, activates
heading mode.
FD
FLC
CRS 1
SPD
FMS
MAN
PUSH DCT
PUSH CHG
AP2
HDG
200
VOR
220
20
200
10
6
190
185
180
4
10
170
160
20
150
If the heading bug is turned through more than 180° but less than 360° (airborne), the
FGC will follow the bug all the way around to the target and not turn in the shortest
arc. The FGC provides guidance to the selected target using the shortest arc when on
the ground. The on-ground logic will prevent the airplane from turning in the wrong
direction following takeoff, due to maneuvering the airplane may have done on the
ground.
Bank Mode
While in BANK mode, the roll rate commanded by the heading or VOR modes is
limited to 4°/sec. If the roll angle is less than or equal to 6° when ascending through an
altitude of 35,050 feet, the FGC automatically transitions to the low bank limit of 17°.
If the roll angle is greater than 6°, an automatic bank limit transition will not occur
until the roll angle is reduced to less than or equal to 6°.
When descending through 34,950 feet, the bank limit shall revert to the high bank
limit of 27°, if the roll angle is less than or equal to 6°. If the roll angle is greater than
6°, high bank limit reversion will not occur until the roll angle is reduced to less than
or equal to 6°.
2-16
AUTOMATIC FLIGHT CONTROL SYSTEM
NAV
HDG
BANK
HDG
BC
APR
PUSH SYNC
VS
300
00
10500
20
20
10
20
100
00
80
10
20
9500
29.92
IN
DN
VNAV
ALT
P
I
ALT
T
C
H
UP
VS
HDG Knob:
Turn to set the heading
bug on the HSI.
PUSH SYNC:
Used to synchronize heading
bug to present heading.
HDG
PUSH SYNC
Honeywell
AP
FD
CRS 2
YD
CPL
PUSH DCT
N
N
For Training Purposes Only
Sept 04
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