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velocity) for each cruise waypoint.
The CRUISE WIND page also enables the definition of a temperature at a given altitude to refine
the predicted temperature profile. It is accessed from the CLIMB or DESCENT WIND page, or by
pressing the WIND DATA prompt on the VERT REV page of a cruise waypoint.
The flight crew can enter wind data for each cruise waypoint at up to four different altitudes.
[ 1L ] TRU WIND/ALT to
[ 4L ] (blue)
These fields display the entered winds at various altitudes.
The entered winds are propagated at the same altitude to the
downpath cruise waypoints, if no other winds are entered.
The propagated wind direction and velocity are displayed in small
font.
Both the uplinked winds and the pilot-entered winds are displayed in
large font. Wind data can be modified during cruise.
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 12/126
FCOM 19 AUG 10
[ 5L ] SAT/ALT (blue) This field enables the crew to enter a temperature at a given flight
level, or it displays a propagated value.
The flight crew must enter both temperature and altitude at the
first entry. They can then modify the temperature or the altitude
independently.
[ 6L ] UPDATE CANCEL or
RETURN
The “< RETURN” prompt is displayed when no modification has
been performed on anyWIND page. Selecting this prompt reverts
to the page from which WIND pages have been accessed when
modifications have been performed on anyWIND page, the
“UPDATE CANCEL“ prompt is displayed. Selecting this prompt
cancels all modifications to the WIND pages.
[ 6L ] WIND REQUEST �� Pressing this key sends a request for ACARS winds. (Refer to
DSC-22_20-70-B WIND DATA - REQUEST FOR WIND DATA)
[ 4R ] PREV PHASE This prompt is displayed in Preflight, Takeoff, Climb and Done
phases. Pressing this prompt calls up the CLIMB WIND page.
[ 5R ] NEXT PHASE Pressing this prompt calls up the DES WIND page. Any new entry
performed on the CRUISE WIND page is immediately inserted
into the corresponding flight plan. Predictions are dashed on the
F-PLN pages during the recomputation time. CRUISE WIND page
automatically reverts to F-PLN page, if a temporary flight plan is
created or the secondary flight plan is activated.
[ 6R ] UPDATE INSERT* This prompt is displayed when modifications have been performed
on anyWIND page. Selecting this prompt inserts all the modifications
performed on the WIND pages. The display reverts to F-PLN A page.
DESCENT WIND PAGE
This page enables the pilot to define and display the winds used for computing the descent profile
at up to 5 descent altitudes.
The pilot calls it up by selecting NEXT PHASE on the CRUISE WIND page, or the WIND prompt
on the VERT REV page.
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 13/126
FCOM 19 AUG 10
[ 1L ] to [ 5L ] These lines display inserted winds or uplinked winds : In large blue
fonts, prior to activating the descent phase (modifiable values), and in
green after descent phase activation (not modifiable values).
An entry of “GRND” in the “ALT” field is seen as the wind at ground
level. This wind is copied on to the PERF APPR page (and corrected
for the magnetic variation), and used for the computation of the
predictions.
A clear action on one key reverts the line to blue brackets.
[ 6L ] RETURN or UPDATE
CANCEL
The RETURN prompt is displayed, when no wind entry is performed.
Selecting this prompt reverts to the access page.
The UPDATE CANCEL prompt appears, as soon as a wind entry is
performed. It is used to cancel a wind data update.
Note: Descent and alternate winds are deleted, if the destination airport is changed.
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 14/126
FCOM 19 AUG 10
[ 1R ] ALTN WIND This field is only displayed when an alternate is defined.
The pilot-entered or uplinked value is displayed in large blue font. It
can always be modified by the pilot.
[ 2R ] FLXXX This field displays an uplinked alternate cruise altitude in the label
line. If no uplink is done, this field displays the FMS alternate cruise
flight level in small green font.
[ 3R ] WIND REQUEST Pressing this key sends a request for ACARS winds (Refer to
　
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