Cessna 172SPHUSR05 Pilot Operating Handbook page 416

S ECTION 9 - SU PPLEM ENTS
S U PPLE M E NT 1 5 - FAA AP P ROVED
3. CLI M B OR D ESCE NT:
a. BARO setting (if installed) -- CHECK.
b. Using Vertical Tri m :
1 ) VERTICAL SPEED Control - - PRESS either the U P o r
D N button to select aircraft vertical speed within the
+ 1 500 /-2000 ft. per min com mand limits .
2) VERTICAL SPEED Control -- R ELEASE when desired
vertical speed is displayed .
the selected vertical speed.
Avoid selecting
maintained or is on the performance l i m it of the airplane for
its power and weight configuration.
4. ALTITU D E HOLD :
a. Captu re preselected altitudes (if i nstalled) :
1 ) ALTITU DE SELECT knob -- ROTATE until the desired
altitude is displayed.
automatically with altitude selection when the autopilot is
engaged.
2) ALT ITU DE SELECT MODE (ARM) button -- PUSH to
alternately disarm or arm altitude capture.
3) Airplane -- ESTABLISH vertical speed necessary to
intercept the selected altitude.
It may be possible to observe m i nor difference between the
autopilots' selected altitude and the aircraft altimeter after
an altitude capture. These discrepancies are attributed to
the autopi lot and altimeter using different static sou rces
combined with autopilot system tolerances.
the proper barometric setting i nto the autopilot computer will
produce i naccuracies.
S 1 5-24
NOTE
a climb rate that either cannot be
Note ARM annunciation occurs
NOTE
MOD EL 1 72S
The autopi lot wil l m aintain
Not inputing
Ori inal Issue
C ESSNA