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Pressing the PERF key in the done phase makes the phase transition to the preflight phase.
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_20-50-10-20 P 84/116
FCOM 19 AUG 10
Note: “EO CLR” prompt
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.
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 00000458 **Not found**).
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
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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_20-50-10-20 P 86/116
FCOM 19 AUG 10
ACC (Acceleration
altitude)
This is the altitude at which the climb phase is triggered.
The target speed jumps to the initial climb speed.‐
The default value is 1 500 ft above runway elevation.‐
The flight crew can modify the value. The minimum value is 400 ft above‐
runway elevation. However, it is always higher than, or equal to, thrust
reduction altitude.
Note: A clearing action reverts both values to the defaulted ones.‐
When the flight crew selects an altitude on the FCU that is :‐
Below ACC, it brings the ACC down to this altitude.‐
Below THR RED, it brings THR RED and ACC down t‐o this
altitude. (The 400 ft minimum still applies).
[ 6L ] UPLINK TO DATA
This key calls up the UPLINK TO DATA REQ page. It is only displayed in the
PREFLIGHT and DONE phases, when ACARS is installed.
[ 1R ] RWY This field shows the takeoff runway selected on the active flight plan. The
flight crew cannot make an entry from this field. The field shows dashes, if
no runway has been inserted in the flight plan.
[ 2R ] TO SHIFT The takeoff shift is the distance in meters or feet between the beginning
of the runway and the aircraft's takeoff position. When taking off from an
intersection, the flight crew should insert this value to ensure a correct
update of the FM position. The takeoff shift value must be positive, and
cannot be greater than the available takeoff run.
[ 3R ] FLAPS/THS This is an optional flight crew entry for the positions of the flaps and the
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 1(122)
