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Before takeoff, this field displays the flight time to destination and the
predicted remaining fuel on board. If the crew enters an estimated
takeoff time, the field automatically displays the predicted arrival
time (UTC) at destination. After takeoff, it displays the predicted
arrival time (UTC) and the remaining fuel on board (DEST EFOB) at
destination, in green font. EO CLR is displayed when an engine-out is
detected.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A318/A319/A320/A321 FLEET DSC-22_20-50-10-28 P 93/126
FCOM 19 AUG 10
[ 2R ] STEP TO FL XX, or
TO T/D
This field, in combination with 3R and 4R, displays the predictions for
the step point and step altitude, or the Top of Descent.
[ 3R ] and [ 4R ] TIME/UTC
and DIST
These fields display the time and distance to go to the various points
identified in the 2R field.
[ 5R ] DES CABIN RATE This field displays Max [computed DES cabin rate, maximum descent
cabin rate]. The pilot may modify the value : The FM then recomputes
the top of descent, in order to match this value. If the FM cannot
match the pilot's entry, the FM-computed value overwrites the pilot's
entry.
A clear action reverts to the default value (- 350 ft/min). DES CAB
RATE being a negative value, "minus" is not a necessary entry.
[ 6R ] NEXT PHASE This key calls up the DES page.
Applicable to:
,
,
MSN,,
4538,,
PERF DESCENT
TITLE DES is in large green font if the descent phase is active, and in large
white font if it is inactive.
[ 1L ] ACT MODE This field displays the preselected or active speed mode (MANAGED
or SELECTED). The flight crew cannot modify it from this field.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
[ 2L ] CI This field displays the cost index, as initialized on the INIT A page
or defaulted from the database, or inserted in this field by the flight
crew. UTC CSTR automatically replaces the cost index value, if a
time constraint exists in the F-PLN. The flight crew cannot modify in
descent/approach phase below the descent speed limit altitude, or
FL 100, whichever is higher.
[ 3L ] MANAGED If the descent phase is active :
The flight crew cannot make an entry in this field.
The field displays the ECON speed/Mach or the speed/Mach value,
previously entered by the pilot.
If the descent phase is inactive :
Before the flight crew makes any entry, this field displays
"MANAGED" in white, with the associated ECON descent Mach or
speed, in blue. The crew may overwrite the ECON descent Mach
or speed, by entering a Mach number or a speed in this field. The
system uses the pilot's entry to compute the descent profile. The
descent may be flown in managed, using this new pilot entry.
The entry is modifiable. It can be cleared to revert to ECON
speed/Mach.
[ 4L ] blank or SELECTED If the descent phase is inactive, or the descent phase is active but the
active speed mode is MANAGED : This field is blank.
If the descent phase is active, and the active speed mode is
SELECTED :
The field displays the speed or Mach target manually selected by the
pilot. “SELECTED” is displayed in the [ 1L ] field.
To modify the field value, the pilot uses the FCU's SPD/MACH
selector knob. The [ 4L ] field and FCU window will display the same
value.
Pushing in the FCU speed selector knob activates the managed
SPD/MACH target displayed in the [ 3L ] field.
[ 5L ] Blank or EXPEDITE If the descent phase is inactive, this field is blank.
Displays this legend, if the descent phase is active.
It indicates the time and distance required to reach the altitude
displayed in the 2R field at MMO/VMO speed. The pilot cannot select
the EXPEDITE mode from this field.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
[ 6L ] PREV PHASE or
ACTIVATE APPR PHASE
This key calls up the cruise phase page, if the descent phase is not
yet active.
Displayed, if the descent phase is active. Pressing this key once
makes “CONFIRM APPR PHASE” appear. A second press activates
the approach phase.
[ 1R ] TIME/UTC DEST
EFOB
　
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