CESSNA
SECTION 9 - SUPPLEMENTS
MODEL 172S NAV III
SUPPLEMENT 3
NORMAL PROCEDURES
(Continued)
WARNING
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WHEN OPERATING AT OR NEAR AUTOPILOT
MAXIMUM AIRSPEED, REDUCE POWER TO
CONTROL THE DESIRED RATE-OF-DESCENT
AND KEEP THE AIRSPEED LESS THAN THE
AUTOPILOT MAXIMUM LIMIT.
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DO NOT MOVE THE CONTROL WHEEL WHEN
THE AUTOPILOT IS ENGAGED. IF THE PILOT
TRIES TO FLY THE AIRPLANE MANUALLY
WHEN THE AUTOPILOT IS ENGAGED OR
TRIES TO MANUALLY "HELP" THE
AUTOPILOT, THE AUTOPILOT WILL ADJUST
PITCH TRIM TO OPPOSE CONTROL WHEEL
MOVEMENT AND CAUSE THE AIRPLANE TO
GO OUT OF TRIM. THE OUT-OF-TRIM
CONDITION WILL CAUSE LARGE ELEVATOR
CONTROL FORCES WHEN THE AUTOPILOT
IS DISENGAGED.
CLIMB OR DESCENT
1. BARO - SET current altimeter.
2. VS (Vertical Speed) Mode:
UP or DN Buttons - PUSH button to set airplane vertical
speed in 100 feet per minute (ft/min) increments. PUSH and
HOLD the button for the KAP 140 to increase the vertical
speed at approximately 300 ft/min/sec to the desired value,
then RELEASE. The rate will be set at the time of button
release.
CAUTION
THE VERTICAL SPEED MODE HAS SYSTEM
LIMITS OF ± 2000 FEET PER MINUTE.
OPERATING THE MODEL 172S NEAR THESE
LIMITS IS NOT RECOMMENDED
(Continued Next Page)
FAA APPROVED
172SPHAUS-S3-00
U.S. S3-29
