Autopilot Operations
KMC
440
Autopilot Controller
The KMC
440
Autopilot Mode
Controller provides selection of
Autopilot, Yaw Damper, Half Bank and
Soft Ride functions. In addition the
Autopilot Mode Controller includes roll,
pitch and yaw axis annunciator
LEDs
that illuminate to indicate failure of
individual control axes as well as
certain preflight and maintenance
diagnostics conditions.
Roll
Attitude
and Vertical Trim controls are also
included on the KMC
440.
The auto-
pilot cannot be activated
if
the flight
director is not operating properly. To
engage modes using the KMC
440,
press the corresponding control key.
To disengage, press the key a second
time.
Annunciator lamps illuminate
above the KMC
440
selector keys and
on the KAP
41
9
Annunciator Panel or
EFS
10
EADl to indicate engaged
modes. In the event
of
system failure,
annunciators corresponding to the
autopilot and yaw damper in the
KAP
41
9
or EFS
10
EADl flash on and
off
for approximately
5
seconds before
extinguishing. In addition, an alert
tone sounds upon disengagement.
Pressing the appropriate selector key
causes the mode controller to attempt
to reengage.
In dual installations an additional
column of roll, pitch, and yaw
LED's
are provided as well as an AP XFER
(autopilot transfer) key with a left or
right arrow annunciated above the key
allows the crew to select either left or
right side system to control the
aircraft.
Autopilot (AP)
Pressing the Autopilot key initiates
autopilot control of the pitch,
roll
and
yaw axes, provided the system meets
preflight test criteria (see Preflight Test
/Start-up Procedures, page
32).
The
yaw damper and flight director,
if
not
previously engaged, engage automati-
cally upon autopilot activation. In the
absence of any selected flight director
modes, the autopilot will follow basic
Roll Attitude Hold and Pitch Attitude
40
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