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OFF : The corresponding computer is not active. Switching it OFF and then ON resets the
computer.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FLIGHT CONTROLS
FLIGHT CONTROL SYSTEM - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-27-20-30 P 15/28
FCOM 19 AUG 10
FAULT : Lights up in amber, along with a caution on ECAM, when a failure is detected.
The FAULT light goes out when the pilot selects OFF.
OVERHEAD PANEL
Applicable to:
,
,
MSN,,,,
(1) ELAC 1(2) pushbutton
Controls the Elevator and Aileron Control (ELAC) Computer 1(2).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FLIGHT CONTROLS
FLIGHT CONTROL SYSTEM - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-27-20-30 P 16/28
FCOM 19 AUG 10
ON : ELAC 1(2) performs the following functions :
‐ Normal pitch and roll
‐ Alternate pitch
‐ Direct pitch and roll
‐ Abnormal attitude
‐ Aileron droop
‐ Acquisition of autopilot orders.
OFF : The corresponding computer is not active. Switching it OFF, then ON, resets the
computer.
FAULT : Comes on amber, along with an ECAM caution :
‐ When a failure is detected
‐ During ELAC power-up test (eight seconds).
Note: The ELAC power-up test occurs when electrical power is turned on, or
after the occurrence of an electrical transient lasting longer than 25 ms.
The FAULT light goes off, when the pilot selects OFF, or at the end of the ELAC
power-up test, if its results are satisfactory.
(2) SEC 1(2)(3) pushbutton
Controls the spoiler and elevator (SEC) computers 1(2)(3).
ON : SEC 1(2)(3) performs the following functions :
Normal ‐ roll (by controlling the spoilers)
‐ Speedbrakes and ground spoilers
‐ Alternate pitch (SEC 1 and SEC 2 only)
‐ Direct pitch (SEC 1 and SEC 2 only)
‐ Direct roll
‐ Abnormal attitude.
OFF : The corresponding computer is not active. Switching it OFF, then on, resets the
computer.
FAULT : Comes on amber, along with an ECAM caution, when a failure is detected.
The FAULT light goes off, when the pilot selects OFF.
(3) FAC 1(2) pb sw
Controls the flight augmentation computer (FAC) 1(2).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FLIGHT CONTROLS
FLIGHT CONTROL SYSTEM - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-27-20-30 P 17/28
FCOM 19 AUG 10
ON : Both FACs perform the following functions :
‐ Normal roll (coordinating turns and damping dutch roll)
‐ Rudder trim
‐ Rudder travel limit
‐ Alternate yaw
OFF : The corresponding computer is not active. Switching it OFF and then ON resets the
computer.
FAULT : Lights up in amber, along with a caution on ECAM, when a failure is detected.
The FAULT light goes out when the pilot selects OFF.
SIDE STICK INDICATIONS ON PFD
Applicable to: ALL
On the ground, after the first engine start, sidestick position indications appear white on both PFDs.
The indications disappear when the aircraft goes from the ground into flight.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FLIGHT CONTROLS
FLIGHT CONTROL SYSTEM - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-27-20-30 P 18/28
FCOM 19 AUG 10
ECAM F/CTL PAGE
Applicable to:
(1) Spoilers/Speedbrakes’ Indication
(2) Hydraulic System Pressure Indication
It is normally green. It becomes amber, if the hydraulic system’s pressure decreases.
(3) ELAC/SEC Indication
Normally green. Changes to amber if there is a failure in the ELAC or the SEC, or if ELAC or
SEC pushbutton is off, or if both flight control data concentrators (FCDCs) fail.
The surrounding box is normally grey. It changes to amber if the ELAC or SEC indication does.
(4) Aileron position indication
It is indicated with a white scale and green index. It changes to amber, when neither (green nor
blue) servojack is available.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FLIGHT CONTROLS
FLIGHT CONTROL SYSTEM - CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-27-20-30 P 19/28
FCOM 19 AUG 10
(5) Aileron and elevator actuator indication
“G” and “B” are normally displayed in green.
They become amber, in the case of a green or blue hydraulic system low pressure. The partial
box also becomes amber, if the associated computer or actuator fails.
(6) Elevator position indication
It is indicated with a white scale and green index. The index becomes amber, when both
associated actuators are not available.
　
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