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When a function (line 1 or 2) is deactivated through the navigation datab‐ase policy file,
the corresponding line is blank.
[ 6L ] RETURN The pilot presses this key to make the display revert to
the DATA INDEX page.
[ 6R ] PRINT FUNCTION The pilot presses this key to access the PRINT
FUNCTION page.
PERF PAGES
Applicable to: ,
The flight plan is divided into several phases :
PREFLIGHT - TAKEOFF - CLIMB - CRUISE - DESCENT - APPROACH - GO-AROUND - DONE
Each phase except the preflight and done phases has a performance (PERF) page. The PERF
pages display performance data, speeds related to the various phases, and predictions.
Pressing the PERF key on the MCDU console calls up the performance page for the current active
phase. Performance pages relating to phases already flown are not available.
In the preflight and done phases, pressing the PERF key brings up the takeoff performance page.
Pressing the PERF key in the done phase makes the phase transition to the preflight phase.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 89/124
FCOM 19 AUG 10
The FMGS flight phase are not related to the FWC phases.
Line 6 Fields may display two different prompts, depending upon whether the
phase is active or not.
[ 6L ] PREV PHASE To review the performance page for the previous phase.
The prompt is neither available on the takeoff performance page, nor for the
phases already flown.
[ 6L ] ACTIVATE APPR
PHASE
To activate, then confirm, the APPR phase. Only available on the page
corresponding to the active phase.
[ 6R ] NEXT PHASE To review the performance page for the next phase.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 90/124
FCOM 19 AUG 10
Note: Engine-out condition
When the FMGS detects an engine‐-out condition, the system automatically calls up
the performance page for the current flight phase (except when this occurs before the
diversion point during takeoff or no EOSID exists in the flight plan) and displays “EO
CLR*” in the [ 1R ] field and “EO LRC” (engine-out long range cruise) in the [ 2L ] field.
On the CLB, CRZ and DES (when the descent phase is not active) PERF pages, the pilot
can enter a cost index value and overwrite to “EO LRC”.
Clearing the cost index reverts to EO LRC.
If the pilot presses the [ 1R ] key, the system reverts to the normal processing (with no
engine failed) and suppresses the EO information. (Refer to STLO-22_20_R-30-10-05
GENERAL).
If the engine‐-out condition is detected before the diversion point at takeoff, a temporary
flight plan is created.
PERF TAKEOFF PAGE
Applicable to:
During the preflight phase, the flight crew can press the PERF key to call up the takeoff performance
page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 91/124
FCOM 19 AUG 10
TITLE TAKE OFF is in large white font when the takeoff phase is not active, and in
large green font when it is active.
[ 1L ] V1 [ 2L ] VR [ 3L ]
V2
The boxes are amber, as long as the flight crew does not make entries in
them.
The flight crew can modify any entry, as long as the takeoff phase is not
active.
Note: • If the flight crew does not enter V2, the SRS mode will not be
available at takeoff.
• If the flight crew has entered V1, V2 or VR and the takeoff
runway is changed, the MCDU scratchpad displays CHECK
TAKEOFF DATA, and V1, V2 and VR fields revert to amber
boxes.
[ 4L ] TRANS ALT
(Transion Altitude)
The flight crew can call this up from the database after the origin airport is
defined. The flight crew can modify it.
[ 5L ] THR RED (Thrust
Reduction altitude)
This is the altitude at which the flight crew should reduce the thrust from
TOGA/FLX to MAX CLIMB (CL detent) with all engines operative.
The default thrust reduction is 1 500 ft above the runway elevation.‐
The flight crew can modify this altitude : The minimum is 400 ft above the‐
runway elevation.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 92/124
FCOM 19 AUG 10
ACC (Acceleration
　
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