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The field displays “RETURN”, instead of ERASE, when the flight crew has not created a
temporary flight plan.
[ 3R ] TRANS
to
[ 5R ]
These fields display selectable and selected enroute transitions (if any). They are blue when
selected, and become green when inserted into the active flight plan.
[ 6R ] INSERT The pilot presses this key to insert the temporary procedure into the active flight plan. The
page reverts to the active flight plan page when this occurs.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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ALTERNATE PAGE
Applicable to:
This page enables the pilot to review, in the NAV database, the alternate airports that are paired
with the destination, and define additional alternates, if needed. (Alternate airports are linked to the
destination). The pilot calls up this page with the ALTN prompt, from the lateral revision page for the
destination.
TITLE The destination airport is displayed large green font.
[ 1L ] ALTN This field displays the selected alternate : In green, if it is active ; in yellow, if it is temporary.
“NONE” is displayed, if NO ALTN option is selected, or if the destination has no alternate.
Line 2
to
line 5
These lines display the identifications of alternates (up to 6), the extra fuel weight remaining
after landing at the alternates, and the great-circle track and distances to them from the
destination.
If the database contains a company route between the destination and the alternate, the
distance shown is an airway distance, not a great-circle distance.
When the database defines a preferred alternate, it is displayed on Line 2 (if no scrolling has
been performed).
[ 4L ] OTHER ALTN The pilot can enter an airport identifier in the brackets (Line 3). If that airport is not stored in
the database , the NEWRUNWAY page appears for the pilot to use in defining it.
If it is stored in the database, the ROUTE SELECTION page appears, and the pilot can use it
to select the best route.
The pilot may enter a distance in the DIST field of the OTHER ALTN prompt, in order to
get preliminary fuel predictions. However, once he has selected the alternate airfield as
a temporary alternate and then inserted it, the ALTN distance reverts either to the airway
distance, if he has selected a company route, or otherwise to the direct distance to the
alternate.
The pilot can use OTHER ALTN to overwrite and replace the previous OTHER ALTN.
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
NO ALTN The pilot uses this key to select the NO ALTN option.
[ 6L ] RETURN
or
ERASE
The pilot presses this key to make the display revert to the LAT REV page.
Pressing this key erases the temporary selection.
[ 1R ] CO RTE Pressing this key displays the active company route between the destination and the
selected alternate.
[ 6R ] INSERT Pressing this key activates the temporary selection.
ROUTE SELECTION PAGE FOR ALTERNATE
Applicable to:
This page enables the pilot to review the company route between the destination and the alternate,
and to select a different route, if that seems appropriate.
This page comes up automatically, when the flight crew enters an ident in the OTHER ALTN field.
See the “Route Selection” page Refer to DSC-22_20-50-10-25 ROUTE SELECTION PAGEfor a
description of this page.
[ 6R ] SELECT Pressing this key reverts the display to the alternate page. (The distance between the destination
and the alternate is then the airway distance).
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
VERTICAL REVISION PAGES
Applicable to:
These pages contain the menu of available vertical flight plan revisions that can be applied at a
selected waypoint.
The pilot calls up these pages from the flight plan A or B pages by pressing the right hand key next to
　
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