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provided a localizer signal is available. It shows the flight director yaw orders, to keep the
runway centerline.
(4) PFD 1 (2 or 3) message (magenta)
The display indicates which DMC drives the PFD. It appears only during tests on ground.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 5/48
FCOM 19 AUG 10
ATTITUDE DATA
Applicable to:
(1) Fixed Aircraft Symbol
This symbol is black, outlined in yellow.
(2) Roll Scale
This scale is white, and has markers at 0, 10, 20, 30, and 45 ° of bank.
(3) Roll Index (yellow)
This pointer indicates the bank angle. When the bank angle exceeds 45 °, all the PFD symbols
except those for attitude, speed, heading, altitude, and vertical speed disappear. The display
returns to normal when the bank angle decreases below 40 °.
(4) Pitch Scale (white)
This scale has markers every ten degrees between 80 ° nose up and 80 ° nose down (every
2.5 ° between 10 ° nose down and 30 ° nose up). When pitch angle exceeds 25 ° nose up or
13 ° nose down, all the PFD displays except attitude, speed, speed trend, heading, altitude,
and vertical speed disappear. Beyond 30 °, large red arrowheads indicate that the attitude has
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 6/48
FCOM 19 AUG 10
become excessive and show the direction to move the nose in order to reduce it. The display
returns to normal when pitch angle becomes less than 22 ° nose up or 10 ° nose down.
(5) Flight Control Protection Symbols
The display shows these symbols in green :
• on the roll scale at ± 67 ° to mark the bank angle limits
• on the pitch scale at 15 ° nose down or 30 ° nose up to mark the pitch limits.
An amber × replaces these symbols if the corresponding protection is lost. (Refer to
DSC-27-20-20-30 RECONFIGURATION CONTROL LAWS - PFD DISPLAY)
(6) Sideslip Index (yellow)
This trapezoidal index moves beneath the roll index. On ground, it represents the lateral
acceleration of the aircraft. In flight, it shows sideslip (as computed by the ADIRS). One
centimeter of displacement indicates 0.2 g. The sideslip index is against its stop at 0.3 g.
In case of engine failure at take-off or go-around, the sideslip index changes from yellow to
blue.
Note: The sideslip target is blue if :
‐ CONF 1, 2, or 3 is selected, and
‐ any ENG N1 > 80 %, and
‐ the difference between the ENG N1's exceeds 30 %.
In this case the sideslip index is called β target.
When this index is centered with the roll index, the sideslip equals the sideslip target for
optimum aircraft performance.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 7/48
FCOM 19 AUG 10
ATTITUDE DATA
Applicable to: ,
(1) Fixed Aircraft Symbol
This symbol is black, outlined in yellow.
(2) Roll Scale
This scale is white, and has markers at 0, 10, 20, 30, and 45 ° of bank.
(3) Roll Index (yellow)
This pointer indicates the bank angle. When the bank angle exceeds 45 °, all the PFD symbols
except those for attitude, speed, heading, altitude, and vertical speed disappear. The display
returns to normal when the bank angle decreases below 40 °.
(4) Pitch Scale (white)
This scale has markers every ten degrees between 80 ° nose up and 80 ° nose down (every
2.5 ° between 10 ° nose down and 30 ° nose up). When pitch angle exceeds 25 ° nose up or
13 ° nose down, all the PFD displays except attitude, speed, speed trend, heading, altitude,
and vertical speed disappear. Beyond 30 °, large red arrowheads indicate that the attitude has
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON PFD
A330/A340 FLEET DSC-31-40 P 8/48
FCOM 19 AUG 10
become excessive and show the direction to move the nose in order to reduce it. The display
returns to normal when pitch angle becomes less than 22 ° nose up or 10 ° nose down.
(5) Flight Control Protection Symbols
The display shows these symbols in green :
• on the roll scale at ± 67 ° to mark the bank angle limits
• on the pitch scale at 15 ° nose down or 30 ° nose up to mark the pitch limits.
An amber × replaces these symbols if the corresponding protection is lost. (Refer to
DSC-27-20-20-30 RECONFIGURATION CONTROL LAWS - PFD DISPLAY)
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 3(66)
