2. Primary and Secondary Flight Controls Subsections:
The primary and secondary flight controls are discussed in the following
subsections:
• 2A-27-20: Elevator Pitch Control
• 2A-27-30: Rudder Yaw Control
• 2A-27-40: Aileron Roll Control
• 2A-27-50: Horizontal Stabilizer and Wing Flaps
• 2A-27-60: Stall Warning and Prevention System
• 2A-27-70: Speed Brake and Ground Spoilers
• 2A-27-80: Flight Controls Gust Lock
3. Autopilot Crew Alerting System (CAS) Messages:
The following CAS messages are associated with the operation of the autopilot
and integrated subsystems:
Area Monitored: CAS Message: Message Color:
Flight Guidance Computer
Internal Monitor
AP 1-2 Fail Amber
Flight Guidance Panel AP
Engage Switch
AP Control Switch
Stuck
Blue
AP Engage Switches AP Engage Inhibit -Sw
Active
Blue
Air Data System AP Inhibit - ADS Blue
Inertial Reference System AP Inhibit - IRS Blue
Control Column Force AP Inhibit - Left Column Blue
Control Column Force AP Inhibit - Right
Column
Blue
Control Wheel Force AP Inhibit - Left Wheel Blue
Control Wheel Force AP Inhibit - Right Wheel Blue
Manual Trim Wheel AP Inhibit - Man Trim
Active
Blue
Autopilot Quick Disconnect
Switch
AP Inhibit - QD Blue
Stall Shaker AP Inhibit - Stall Blue
Autopilot Touch Control
Steering Switch
AP Inhibit - TCS Blue
Control Wheel Electric Trim
Switch
AP Inhibit -Trim Cmd Blue
Weight On Wheels (WOW)
System
AP Inhibit - WOW Blue
Autopilot Power Source AP 1-2 Power Fail Blue
Autopilot Elevator Trim Servo AP / Trim Fail Blue
Flight Guidance Panel Speed
Window
Check Speed Target Blue
Flight Guidance Computer /
WOW System
FGC - WOW Fault Blue
Take Off and Go Around
(TOGA) Engage Switch / Flight
Guidance Panel Manual Speed
Go Around Pitch Blue
OPERATING MANUAL
PRODUCTION AIRCRAFT SYSTEMS 2A-27-00
Page 3
August 14/03
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