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SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
1
1
-
FAA
APPROVED
CESSNA
MODEL
182S
Effects of instrument losses upon autopilot operation:
1.
Loss
of
the artificial horizon --
no
effect
on
the autopilot.
2.
Loss of
the turn coordinator -- autopilot inoperative.
3.
Loss of the DG (Directional Gyro)-- The directional gyro
does
not provide any system valid
flag.
lf the
DG fails
to
function
properly
the
autopilot heading
and
navigation mode
will
not
function
correctly.
Under these conditions,
the only
useable
lateralmode
is
ROL.
sEcTroN
4
NORMAL
PROCEDURES
A.
PREFLTGHT
(PERFORM pRtOR
TO
EACH
FLTGHT):
1.
AVIONICS MASTER --
ON.
2.
POWER APPLICATION
AND SELF TEST
-- A
self test
is
performed
upon power application
to the computer. This
test
is a
sequence
of
internal checks that validate proper
system
operation prior
to
allowing normal system
operation.
The
sequence
is indicated by
"p¡1"
with an
increasing
number for
the
sequence
steps.
Successful completion
of
seff
test
is
identified
by all
display segments being illuminated
(Display
Test), external "Pitch Trim" (4,/C System Annunciator
Panel)
being illuminated, and
the
disconnect tone sounding.
NOTE
Upon applying power to the
autopilot,
the red P warning
on
the face of the
autopilot may ílluminate indicatíng
that
the
pitch axis cannot
be engaged. This
condition should
be
temporary, lasting approximately
30 seconds. The P
will
extinguish and normal operation will
be
available.
s11-18
Feb 3/97
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