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OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 102/124
FCOM 19 AUG 10
[ 3L ] MAG WIND or
TRUE WIND
The pilot enters the wind speed in knots at the destination in this field. The
reference of the wind entry is magnetic or true, depending on the airport’s
reference.
The system transmits any entry made in this field to the descent wind page
(which displays wind direction as true, not magnetic, whatever the airport’s
reference is).
[ 4L ] TRANS ALT This field displays the transition altitude taken from the data base (small font)
or entered by the flight crew (large font).
The pilot can modify it at any time.
[ 5L ] VAPP The FMGC computes this approach speed, using the formula:
VAPP = VLS + 1/3 of the headwind component (1/3 of the headwind
component is limited to 5 kt as a minimum and 15 kt as a maximum).
The pilot can modify VAPP. A clear action reverts VAPP to the computed
value.
Note: VLS = 1.23 VS1G of the selected landing configuration (full or 3).
[ 6L ] PREV PAGE This field displays this legend if the approach phase is not active.
Pressing this key calls up the descent performance page.
[ 1R ] FINAL This field displays the approach specified in the flight plan.
The pilot cannot modify it through this field.
[ 2R ] MDA or MDH This field displays the minimum descent altitude (or minimum descent height
if the QFE pin program is activated), with associated brackets. The pilot
inserts the value, which it can modify at any time.
If the flight crew makes an entry in [ 3R ] or changes the approach, it clears
this figure.
[ 3R ] DH If the flight plan includes an ILS approach, this field displays “DH” and empty
brackets. The pilot inserts the decision height. The system will accept an
entry of “NO”. If the flight crew inserts an MDA or an MDH, this erases the
decision height, and this field reverts to brackets. The DH range is 0 to
700 ft.
[ 4R ] LDG CONF
CONF 3
The pilot can select configuration 3 by pressing the 4R key.
This moves the * down to the [ 5R ] field, which is displaying “FULL”.
[ 5R ] FULL The pilot can use this key to select configuration FULL when necessary.
Configuration FULL is the default landing configuration.
[ 6R ] NEXT PHASE Depressing this key calls up the go-around 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
PERF GO AROUND PAGE
Applicable to: ,
TITLE GO AROUND is in large white font, if the go-around phase is not active ; it is
in large green font, if it is.
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 104/124
FCOM 19 AUG 10
[ 5L ] THR RED ACC This field displays the thrust reduction altitude and the acceleration altitude.
Thrust reduction altitude
Altitude at which thrust must be reduced from takeoff/go‐-around thrust to
maximum climb thrust.
LVR CLB flashing on flight mode annunciator.‐
Defaults to 1 500 ft above destination runway elevation, or to the altitude‐
set by the airline.
Can be modi‐fied by the crew (minimum 400 ft above destination runway
elevation).
Acceleration altitude
The target speed does not automatically increase to Green Dot speed‐
when climbing through the GA accel. altitude. The pilot has to manually
select OPEN CLB mode.
Defaults to 1 500 ft t above destination runway elevation, or to the altitude‐
set by the airline
Can be modified by the crew but always equal to or higher than thrust‐
reduction altitude.
[ 6L ] PREV PHASE or This field displays this legend, if the go-around phase is not active.
Pressing the key calls up the PERF APPR page.
ACTIVATE APPR
PHASE
This field displays this legend, if the go-around phase is active.
Pressing it once makes “CONFIRM APPR” appear.
A second press activates the approach phase.
[ 5R ] ENG OUT ACC This display has the same characteristics as the display beside the 5R key
on the takeoff page. It is for display only, and the pilot can modify it.
[ 6R ] NEXT PHASE Pressing this key calls up the PERF APPR page.
[ IR ] Blank or EO CLR* This field is normally blank.
EO CLR* is displayed when GO AROUND is the active phase and an
engine-out condition is detected.
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 1(162)
