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庞巴迪挑战者605公务机机组操作手册 CL605-AUTOMATIC_FLIGHT_CONTROL_SYSTEM(7)

时间:2011-10-27 00:46来源:蓝天飞行翻译 作者:公务机
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Switch from one AFCS to the other.


A monitored disengagement is annunciated in the same manner as a manual disengagement, with the exception that the flashing on the PFD and the aural warning will continue until cancelled by the flight crew. Pressing either pilot’s AP/SP DISC switch or TOGA button, or reengaging the autopilot, will cancel the flashing on the PFD and the aural warning.
YAW DAMPER SYSTEM

Description
Each yaw damper is a dual-channel, fully independent yaw damper system, providing yaw damping, turn entry, steady-state turn coordination, and turn exit for the full flight envelope.
The yaw dampers operate independently of the autopilot.


NOTE
The yaw damper will not compensate for a sustained adverse yaw created by an engine power asymmetry or improper rudder inputs.


 AUTOMATIC FLIGHT CONTROL SYSTEM Description  Vol. 2  04.10.8 
Oct 05/06 

Operation
Yaw Damper Engagement
The yaw dampers are engaged by pushing both YD 1 and YD 2 switch/lights on the YAW DAMPER panel. Selective engagement of the switch/lights activates the corresponding yaw damper channel. Yaw damper engagement is indicated by the absence of YAW DAMPER (status and caution) EICAS messages and PFD indications.
Normally, both yaw dampers are engaged for all phases of flight. One yaw damper channel will provide adequate yaw damping and turn coordination during flight. At speeds greater than 256 kts, only one yaw damper will be active.

Yaw Damper Disengagement
The DISC button on the YAW DAMPER panel disengages both yaw damper channels when pressed. When both yaw damper channels are disengaged, an amber YD annunciation is displayed on the upper left side of the PFDs, and a YAW DAMPER caution EICAS message appears.
A single disengaged (or inoperative) yaw damper channel is indicated by a YD 1(2) INOP status EICAS message.

YAW DAMPER Panel
Figure 04.10.5

 

 AUTOMATIC FLIGHT CONTROL SYSTEM Description  Vol. 2  04.10.9 
Oct 05/06 


Yaw Damper Disengaged Annunciation
Figure 04.10.6

FLIGHT DIRECTORS

Description
The flight directors (FDs) are the visual representation of the commands generated by the flight control computers.
Operation

Flight Director Command Bars
The flight directors provide integrated pitch and roll guidance by means of magenta inverted V-shaped (V-BAR) or cross pointer (X-PTR) command bars on the ADI of the PFD.
The command bars are always in view when the flight director is being used or when the autopilot is engaged. The command bars are out of view when the flight director is turned off or flagged, or when the aircraft’s attitude is extreme.
The pilot can manually fly the aircraft by following the command bar guidance cues. When the autopilot is engaged, the FCCs issue steering commands to the aileron and elevator servos according to the flight director guidance instructions.
 
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