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If the pilot erases the page, the display reverts to the active flight plan page.
The display shows RETURN instead of ERASE, when the pilot has not created a temporary
flight plan.
[ 2R ] TRANS
to [ 5R ]
This field displays the selectable and selected enroute transitions in blue and green
respectively. They are blank, if there are no transitions.
[ 6R ] INSERT or
BLANK
The pilot uses this key to insert a temporary procedure into the flight plan. The page reverts to
the active flight plan page, when the insertion is completed.
It is associated with RETURN (6L).
[ 6M ] EOSID Once a runway is inserted into the flight plan, this field displays any ENG OUT SID for that
runway. If there is none, it displays NONE.
HOLD PAGES
Applicable to:
These pages allow the pilot to review and modify the holding pattern parameters at the selected
revise waypoint. The holding pattern data may come from the database or may be defaulted to
standard dimensions.
The pilot calls up these pages by pressing the HOLD key on the LAT REV page for the waypoint.
Three different HOLD pages are available :
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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DATABASE HOLD AT...
The database has a holding pattern for the selected revise waypoint, but has not yet been inserted
in the flight plan.
COMPUTED HOLD AT...
The database has no holding pattern for the selected revised waypoint.
The system proposes default holding pattern data.
INB CRS = INBD TRK of the F-PLN leg leading to the revised waypoint.
TURN = Turn direction right.
TIME on outbound leg is 1.5 min above 14 000 ft, 1 min below 14 000 ft.
[ 2R ] field shows “REVERT TO COMPUTED”, when the pilot has modified the holding pattern.
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_20-50-10-25 P 27/104
FCOM 19 AUG 10
HOLD AT...
The flight plan contains a holding pattern that was defined by the pilot from an existing database or
computed hold.
If the pilot has modified holding pattern data from the database, the field next to [2R] displays
“REVERT TO DATABASE” or “REVERT TO COMPUTED” to enable the pilot to revert to default
parameters.
EXAMPLE The pilot modifies the inbound course.
[ 1L ] INB CRS This field displays the inbound course of the holding pattern. The data may be
modified.
[ 2L ] TURN This field shows the direction to turn in the hold (L or R). The data may be
modified.
[ 3L ] TIME/DIST This field shows the time and distance for the outbound leg. The data may be
modified.
Time and distance are dependent values that the system calculates from the
predicted true airspeed, which in turn depends upon the holding speed (speed
for maximum endurance, ICAO speed limit, or constraint speed, whichever is
lower).
[ 6L ] ERASE
or
RETURN
The pilot presses this key when the field shows “ERASE”, to erase the holding
pattern.
The pilot presses this key when the field shows “RETURN”, to return to the
LAT REV page, if the hold is already inserted in the flight plan.
To be continued on next page
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
Continued from previous page
[ 2R ] REVERT TO DATABASE
or
REVERT TO COMPUTED
The pilot presses this key to delete manual modifications to the database hold
(or computed hold), and to revert to the database (or computed) holding data.
[ 6R ] INSERT The pilot presses this key to insert the hold into the active flight plan.
LAST EXIT
UTC FUEL
This field displays the time at which the aircraft must leave the holding pattern
in order to meet fuel policy criteria (extra fuel = 0). The system also displays
the estimated fuel on board at that time. Always displayed in thousand of
kilograms.
DIRECT TO PAGE
Applicable to:
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_20-50-10-25 P 29/104
FCOM 19 AUG 10
Pressing the “DIR” key under the MCDU screen brings up the DIR TO page. On this page, the [ 1L ]
　
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