CESSNA
MODEL 172S
. SECTION 9 - SUPPLEMENTS
SUPPLEMENT
7 - FAA APPROVED
SUPPLEMENT 7
BENDIX/KING KAP 140
.SINGLE AXIS AUTOPILOT
SECTION 1
GENERAL
"
I
The
Bendix/King
KAPl40is
an all-electric,
single-axis ,(aileron
control) autopilot system that provides lateral and directional control.
Components
are a computer, a turn coordinator,
an aileron actuator,
a course deviation
indicator,
and a directional
indicator
or HSI (if
installed),
Roll and
yaw
motions
of the
airplane
are sensed
by the
turn
coordinator
gyro.
The computer computes the necessary correction
and. signals. the
actuator
to move
the
ailerons
to
maintain
the
airplane in the commanded lateral altitude .
. The KAP 140 will provide wing leveler,
heading
hold, NAV track,
and approach and backcourse lateral modes.
.
A lockout
device
prevents
autopilot
engagement
until the system
has been successfully
preflight tested.
Automatic
preflight self-test
begins with initial power application to the autopilot.
The following conditions will cause the autopilot to disengage:
A. Electric power failure.
B. Internal autopilot system failure.
C. Turn coordinator failure (flagged gyro) .
. D. Computer
autopilot
monitor that detects
the R (ROLL)
axis
annunciator.
The AVIONICS
MASTER switch supplies power to the avionics bus
bar at.the
radio circuit breakers
and the autopilot
circuit breaker ..
The AVIONICS
MASTER
switch
also services
as an emergency
autopilot (AP) shutoff.
Revision 2
S7-5
Содержание Cessna 172S Skyhawk SP
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