Hawker 800 XP, Pilot Training Manual

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pushbutton selects the primary VOR/LOC nav-
igation receiver for that side of the cockpit. The
second push of the V/L pushbutton selects the
VOR/LOC navigation receiver from the op-
posite side of the cockpit. Pressing the FMS
pushbutton selects the primary Flight Man-
agement System for that side of the cockpit.
The second push of the FMS pushbutton se-
lects the FMS from the opposite side of the
cockpit in a manner similar to the V/L push-
button.When FMS is selected for display on
the HSI and the NAV receiver is tuned to a lo-
calizer, the first push of the V/L pushbutton
activates the localizer preview mode. This
will allow arming approach while the LNAV
mode is active.
Flight Director Mode Selection
The path modes of the AFCS are selected by
means of the eight mode pushbuttons on the GC-
810 controller (Figure 16A-2). The buttons are
identified as:
HDG BNK FLC
NAV VS
APP VNAV
BC ALT
Operation of these modes is described later in
this chapter. In addition to the above modes a
Go Around mode is selectable using the Con-
trol Wheel mounted GA switches.
Pitch Wheel
The pitch wheel is used to command pitch
changes. When the autopilot is in the basic
pitch hold mode, the pitch wheel is used to di-
rectly change pitch attitude. The amount of
pitch change is proportional to the movement
of the pitch wheel.
When the VS HOLD mode is engaged, the
pitch wheel is used to dial in a new reference
which is displayed on the EADI's as part of the
mode message.
Touch Control Steering (TCS)
The TCS button is used to uncouple the au-
topilot servos from the airplane without dis-
engaging the autopilot. When the TCS button
is released the autopilot will hold the current
pitch and roll attitude of the airplane. If an air
data mode is engaged such as FLC, VS or ALT
hold, the TCS button can be used to synchro-
nize the AFCS command to a selected reference.
Flight Guidance Channel Select
The AFCS utilizes two separate flight guid-
ance channels, one in each of the two flight guid-
ance computers. Under normal operation the left
or number 1 channel is in control. The right or
number 2 channel can be selected as the prior-
ity channel by depressing either"R AFCS"
pushbuttons located next to the top right cor-
ner of the EADI's. Depressing the L AFCS
pushbutton will transfer priority back to the
left side computer. This selection can be made
with the AP/YD engaged or disengaged.
LOCATION UPPER INSTRUMENT PANEL
POWER P & CP SIDES
LAFCS R AFCS FMS SX
L FAIL R FAIL 1 2
Revision 1.01 16A-5
FOR TRAINING PURPOSES ONLY
HAWKER 800 XP PILOT TRAINING MANUAL
FlightSafety
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Figure 16A-2. GC-810 Controller