Honeywell KFC 150 Pilot's Manual page 47

5. The autopilot will fly the selected
heading until entering the capture
zone, then turn to intercept the course
The "HDG" light will go off and the
"APR" light will illuminate steadily as
the BC mode goes from arm to
engage.
6. The autopilot will bank as required to
maintain course. Automatic crosswind
compensation will provide precise
tracking. (The glideslope is locked
out because this is a back course
approach.)
ALTITUDE HOLD MODE
(A LT)
In the altitude hold (ALT) mode, the
autopilot maintains the altitude at which the
mode was engaged. To operate in the ALT
mode:
1. Depress the "ALT" button when the air-
craft has reached the altitude you wish
to maintain. (For smoother operation,
press the "ALT' button when the verti-
cal velocity is no more than 500 fpm.)
required pitch changes to keep the air-
craft level at the selected altitude.
3. The vertical trim switch may be used
to adjust altitude up or down at
approximately 500 fpm without disen-
gaging altitude hold. (The ALT mode
is canceled by automatic glideslope
capture or by depressing the "ALT"
button.) When the vertical trim switch
is released, the autopilot will maintain
the new altitude.
2. The autopilot will then make the
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