Textron Aviation Cessna 172S NAV III Skyhawk SP, Информационное руководство

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CESSNA SECTION 9 - SUPPLEMENTS
MODEL 172S NAV III SUPPLEMENT 3
KAP 140 AUTOPILOT
U.S.
FAA APPROVED
NORMAL PROCEDURES
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ALTITUDE HOLD
1. ALT Button - PUSH (verify ALT annunciator is shown on the
front of the autopilot computer display). The autopilot will stay at
the set altitude.
NOTE
•
If the ALT button is pushed while the airplane is climbing
or descending, the airplane may go through the altitude
selection by approximately 10% of the vertical rate
(example: 500 FPM = approximately 50 feet), but will
quickly lock on and correct to the target altitude.
•
In Advisory Circular AC00-24B “Thunderstorms”, the
FAA recommends the use of Pitch Attitude Hold for
autopilot operation in severe turbulence. The KAP 140
does not use pitch reference, so it is recommended that
the autopilot be disengaged and the airplane flown
manually in severe turbulence.
CHANGING ALTITUDE
If the autopilot is engaged in ALT mode (Altitude Hold):
1. For small altitude changes (less than 100 feet), push the UP or
DN button momentarily to program an increase or decrease to
the altitude selection, as applicable, of 20 feet each time the
button is pushed. This lets the autopilot make small corrections
to the altitude selection.
2. For larger altitude changes, push and HOLD the UP or DN
button, as applicable, to start a 500 FPM altitude change.
Release the button at the altitude the autopilot is to hold.
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172SPHAUS-S3-01 S3-29
For
Training
Purposes
Only