Century 4000 Pilots Operating Manual page 16

FLY LEFT FLY RIGHT
FLY UP FLY DOWN
CENTURY 4000 FLIGHT DIRECTOR
STEERING HORIZON SINGLE QUE
With the addition of the Flight Director expansion, the pilot may choose to program a particular flight
sequence and monitor autopilot maneuvering by observing the steering bar or he may switch the autopilot
off and place himself in the control system loop by following commands of the steering bar. Pressing the
FD switch on the computer programmer will activate the flight director steering bars and the annunciator
will illuminate FD. The great advantage of the Flight Director is that the computer observes many inputs,
compares these inputs to the sequence programmed by the pilot and resolves differences into
combinations of four commands: Fly Up, Fly Down, Fly Left and Fly Right. To accomplish the
programmed maneuver, the pilot need only to "fly the delta into the 'vee' of the steering bar".
FD
The Flight Director may be switched off and the steering bars stowed out of view by momentarily pressing
the FD switch on the programmer.
While the FD is on, the autopilot will stay in the mode of operation if the autopilot is disengaged or when it
is re-engaged. When the FD is off and the autopilot is disengaged, the autopilot will revert to the default
modes of operation which is the HDG and ATT modes.
NOTE
The pilot should always keep in mind that the Steering Horizon displays COMPUTED DATA and will give
a command-satisfied indication if the pitch attitude and heading are satisfactory for normal conditions.
The system cannot compensate for inadequate power or airspeed to accomplish the desired maneuver,
therefore, a raw data display is mandatory with the Flight Director display so that the pilot is constantly
presented with concise data on his heading and actual position on the Localizer, Glideslope and VOR
radial. For this reason, whenever the Flight Director expansion is added, it is recommended that an HSI
be installed also .
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