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FCOM 19 AUG 10
ENTERING THE WIND AND TEMPERATURE DURING F-PLN INITIALIZATION
When completing the INIT A page and once the wind and cruise FL temperature forecasts are
available, the pilot may enter them, if significantly different, by pressing the wind prompt.
He will access the different wind pages using NEXT PHASE key and PREV PHASE key. He will
slew the CRZ WIND page to access the various waypoints of the cruise winds.
The pilot will enter wind data as follows :
For climb phase ; by inserting either the HISTORY WIND ‐data (as recorded during the last
descent) or by inserting winds (at up to 5 altitudes) on the CLIMB WIND page.
for cruise phase ; by inserting winds (at up to 4 FL) at various CRZ waypoints on the CRZ‐
WIND pages. The 4 levels are the same for all the cruise waypoints. The pilot may enter the
temperature of each waypoint and at destination on this page.
For descent phase ; by inserting winds (at up to 5 FL/altitudes) on the DES WIND page.‐
For the ALTN F‐-PLN, an average wind may be entered on the DES WIND page for alternate
cruise flight level.
Note: Wind can be automatically received (and inserted) through ACARS system 　 (Refer to
DSC-22_20-70 FLIGHT PLAN INITIALIZATION THROUGH ACARS OR ATSU)
Once a CLIMB, CRZ or DESCENT WIND is entered, the system ignores the TRIP WIND.
Once temperature and winds are inserted, the FMGS computes the ISA profile, and the F-PLN B
page displays the forescast wind profile (by linear interpolation and propagation).
WIND ENTRY RULES
When from an empty field, a wind entry is performed, direction/velocity/altitude (or flight level)
must be entered simultaneously. One entry in each bracket.
Overwriting a wind cancels the previous one.
Entered wind data can be cleared, the field reverts to brackets. Propagated wind cannot be
cleared.
Entering a new altitude over an existing altitude replaces that existing altitude at all cruise
waypoints. Any winds entered at the overwritten altitude are lost at all cruise waypoints.
ENTERING THE HISTORY WIND (F-PLN INITIALIZATION)
The pilot may insert the history wind but cannot modify this page.
If convenient, PRESS the (6R) prompt to insert. After insertion, the [6R] prompt is suppressed but
the page still displays the wind values for information.
ENTERING THE CLIMB WIND (F-PLN INITIALIZATION)
If history winds are not convenient.
SELECT CLIMB WIND page from INIT A page or VERT REV page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - VERTICAL FUNCTIONS
A330/A340 FLEET DSC-22_20-30-20-20 P 5/12
FCOM 19 AUG 10
WRITE new winds into the scratchpad and ENTER.
Winds entered on CLIMB, CRZ and DESCENT WIND pages are always true North referenced.
Tower wind entered on PERF is magnetic referenced.
The pilot can enter “GRND” in the altitude field for wind at destination.
CLIMB WIND cannot be modified when the climb phase is active.
At climb phase transition, wind data switches from blue to green colour and any attempted
modification will trigger the “NOT ALLOWED” message.
The system extrapolates the highest wind entry to all higher levels.
The system interpolates winds between 2 entered levels.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - VERTICAL FUNCTIONS
A330/A340 FLEET DSC-22_20-30-20-20 P 6/12
FCOM 19 AUG 10
ENTERING THE CRUISE WINDS AND TEMPERATURES
At flight plan initialization, the CRZ WIND page displays all cruise waypoints with empty brackets.
In flight, only downpath waypoints are displayed.
SELECT VERT REV at WPT.
PRESS the WIND prompt.
SELECT NEXT PHASE.
SLEW until relevant waypoint is displayed.
WRITE and ENTER the new temperature into the scratchpad.
WRITE and ENTER the new wind data into the scratchpad.
WIND and temperature may be entered through ACARS pages. Refer to DSC-22_20-70 FLIGHT
PLAN INITIALIZATION THROUGH ACARS OR ATSUif ACARS is installed.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - VERTICAL FUNCTIONS
A330/A340 FLEET DSC-22_20-30-20-20 P 7/12
FCOM 19 AUG 10
The crew should modify the entered winds and temperatures in flight, if a significant difference is
expected (greater than 30 kt or 30 ° for the wind data and greater than 5 °C for the temperature).
The FMS propagates the crew (or ACARS) wind and temperature entries downpath, until a
waypoint for which a different temperature or wind has been entered (for the same flight level), or
until the last cruise waypoint.
　
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