The automatic flight control system (AFCS) provides integration of the autopilot and flight director systems. The AFCS system consists of two interlinked flight control computers (FCC 1 and FCC 2), a two axis autopilot, two yaw dampers, automatic elevator trim control and assorted servos and actuators. The flight director commands the flight crew to follow cues on the primary flight displays (PFD’s).
The flight control computer receives mode selections from the flight control panel and sensor information from the air data system, navigation systems, attitude and heading reference system, radio altimeter and surface position sensors.
The flight control computer receives mode selections from the flight control panel and sensor information from the air data system, navigation systems, inertial reference system, radio altimeter and surface position sensors.
The FCC’s provide flight guidance commands to the autopilot which provides the control signals to drive the aileron and elevator servos as well as the horizontal stabilizer trim. The flight director provides computed steering commands using a command bar on the attitude director indicator portion of the PFD’s. The steering commands provide visual guidance for the pilot to manually steer the aircraft as defined by the selected modes of operation.
Crédito: Canadair Regional Jet
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