Elite PI-121 - Collins Flight Control System

ELITE OPERATOR’S MANUAL
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Collins Flight Control System:
To use the Collins Flight Control System please note which
functions are operated by which buttons on the AP-3000
avionics panel:
FD button engages the 1/2 BK, one-half bank angle
function.
ALT button engages the altitude hold function.
HDG button engages the heading hold function.
NAV button engages the navigation track function.
APR button engages the APPR, localizer track function.
BC button engages the AP CPLD, autopilot coupled
function.
AP ENG button engages the autopilot and yaw damper.
ENG button engages the VS function.
ARM button engages the ALT SEL function.
To operate in fl ight director mode, simply press ALT and
HDG, NAV or APR. The command bars will be present only
if HDG, NAV or APR is selected. No fl ight director function
is available with ALT selected only. Deviations in heading
and/or altitude from original setting selected will cause
the command bars to tilt and/or move vertically to indicate
prescribed corrective fl ight action. If the Control Wheel