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INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 16/30
FCOM 19 AUG 10
PREDICTIVE WINDSHEAR SYSTEM
Applicable to: ,
(1) Predictive windshear area indication
A PWS SCAN message is displayed, when the Predictive Windshear system is active on the
ND.
The predicted windshear areas are indicated by a red and black icon, and two yellow radial
lines. Windshear information is available in ARC and ROSE ND modes, and is displayed, even
if the weather radar is switched off, provided the weather radar panels’ WINDSHEAR switch is
set to AUTO.
Depending on the windshear alert level, the ND indication may be complemented by a PFD
message (Refer to DSC-31-40 FLAGS AND MESSAGES DISPLAYED ON PFD)
(2) Windshear messages (W/S : CHANGE MODE, W/S : SET RNG 10 NM)
These messages are displayed (in amber for caution alert, red for warning alert) on the ND,
when a windshear event is detected, and the ND mode (W/S:CHANGE MODE) or range
(W/S:SET RNG 10 nm) is inadequate to display windshear echoes.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 17/30
FCOM 19 AUG 10
ENGINE STANDBY PAGE
Applicable to:
In case all ECAM DMC channels fail, each pilot may display the engine standby page on their
respective ND.
The displayed information is N1, N2, EGT, FF and limit modes (same presentation as on the upper
part of the primary engine page).
This information is generated by the EFIS channel of the DMCs.
For more information on this page, refer to the POWERPLANT Chapter (Refer to DSC-70-92-A
ECAM - PRIMARY PARAMETER).
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 18/30
FCOM 19 AUG 10
ENGINE STANDBY PAGE
Applicable to: ,
In case all ECAM DMC channels fail, each pilot may display the engine standby page on their
respective ND.
The displayed information is N1, N3, EGT, FF and limit modes (same presentation as on the upper
part of the primary engine page).
This information is generated by the EFIS channel of the DMCs.
For more information on this page, refer to he POWERPLANT Chapter (Refer to DSC-70-93-A
ECAM - GENERAL).
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 19/30
FCOM 19 AUG 10
FLAGS AND MESSAGES DISPLAYED ON ND
Applicable to:
(1) HDG flag (red)
If the heading data is not displayed, the rose, arc, and associated symbols, disappear and a
HDG flag will appear and flash for 9 s on the upper part of the ND. After these 9 s, the HDG
flag will stop flashing, but continues to appear.
(2) CHECK HDG flag (amber)
When a disagree (5 °) is detected by the FWC between sides 1 and 2, a CHECK HDG flag
appears on both NDs, associated with an ECAM caution. This message is not available, when
plan mode is selected.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING/RECORDING
INDICATIONS ON ND
A330/A340 FLEET DSC-31-45 P 20/30
FCOM 19 AUG 10
(3) Center Part Messages
The screen displays a MODE CHANGE message in green ‐ if there is a discrepancy between
the selected mode on the EFIS control panel and the mode sent from the onside FMGC, or
while the DMC is preparing a new page for display.
‐ The screen displays a RANGE CHANGE message in green if there is a discrepancy
between the range selected on the EFIS control panel and the range sent from the onside
FMGC. A MODE CHANGE message has priority over a RANGE CHANGE message.
‐ The screen displays a MAP NOT AVAIL message in red for several reasons :
• The MODE CHANGE or RANGE CHANGE message has been displayed more than six
seconds.
• A disagreement between DMC and FMGC has been detected while EFIS control panel is
failed (default mode ROSE NAV 80 nm).
• The FMGC is not able to indicate the flight plan reference point (back up mode) while
PLAN mode is selected.
• The FMGC has failed.
• The FMGC has delivered an invalid aircraft position.
‐ The screen displays CHECK ND (1,2) message (amber) when the DMC detects a
discrepancy between acquisition and display of parameters.
‐ The screen displays CHECK EWD message (amber) when the DMC detects a discrepancy
between acquisition and display of E/WD parameters.
‐ The screen displays a W/S SET RNG 10 nm message if a predictive windshear alert is
triggered and the range is above 10 nm.
‐ The screen displays a W/S CHANGE MODE message if a predictive windshear alert is
　
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