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data associated with that route (10 characters maximum).
Inserting the CO RTE into the RTE selection page also enters the CO RTE
number in this field.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-20 P 5/116
FCOM 19 AUG 10
[ 2L ] ALTN/CO RTE
(blue)
This field is dashed until a primary destination is entered in the 1R field. If a
preferred alternate is associated with the primary destination, it is displayed
in this field with the company route identification. The pilot may enter an
alternate and a company route manually.
If preferred alternate is not associated with the primary destination, “NONE”
is displayed in this field.
When the alternate route and the primary destination do not match, the
MCDU scratchpad displays “DEST/ALTN MISMATCH”.
If the primary destination is changed, this field is modified accordingly.
[ 3L ] FLT NBR The flight number appears in this field automatically if it is stored with the
company route. The pilot may modify or enter a new number here.
[ 4L ] LAT This field displays the latitude of the departure airport reference point.
The pilot may modify it by slewing or overwriting.
[ 5L ] COST INDEX This is usually stored in the data base along with the company route.
The pilot may modify it or enter a new value here. The system defaults to the
last entered value if a value is not stored in the database.
[ 6L ] CRZ FL/TEMP
(cruise flight level and
temperature)
The cruise flight level is usually stored in the database along with the
company route. If not, it has to be entered manually. If no cruise flight level
is entered, the system will not furnish predictions while the aircraft is on the
ground.
The pilot has to enter the temperature at cruise flight level in order to refine
the predictions. Otherwise these are computed for ISA conditions. (If no sign
is entered, the system uses plus).
[ 1R ] FROM/TO This field allows the pilot to enter a city pair (ICAO codes for city of origin
and destination).
This entry automatically deletes any company route entered previously
and calls up the route selection page. If one airfield of the pair is not in the
database, the display changes to the NEW RWY page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-20 P 6/116
FCOM 19 AUG 10
[ 2R ] INIT REQUEST This prompt is displayed if the pilot did not enter an active flight plan
or entered a flight number or a company route that is not in the aircraft
database. Selecting this prompt sends to the ground a request for active
flight plan initialization (downlink message).
When the star is not displayed, a downlink message cannot be sent.
The uplink flight plan is automatically inserted in the active flight plan prior to
engine start provided an active flight plan does not exist.
After engine start, the uplink flight plan is sent to the secondary flight plan
and manually inserted or rejected . (Refer to DSC-22_20-70 FLIGHT PLAN
INITIALIZATION THROUGH ACARS OR ATSU).
[ 3R ] ALIGN IRS This field displays this legend only if the LAT and LONG fields are filled in
and at least one of the inertial reference systems is in ALIGN status (IRS in
NAV position and alignment process not over). If the pilot presses this key
when its field is displaying this legend, the present coordinates are sent to
the IRSs and this completes the alignment process.
If one of three IRSs indicates an ALIGN FAULT occurence, the prompt
becomes REALIGN IRS.
[ 4R ] LONG This field displays the longitude of the departure airport reference point. The
pilot may modify it by slewing or overwriting.
[ 5R ] WIND The pilot presses this key in order to gain access to the climb wind page
except if a temporary flight plan exists. In this case, the scratchpad displays
TEMPORARY F-PLN EXISTS.
[ 6R ] TROPO The default tropopause altitude is 36 090 ft. The pilot can use this field to
modify it (60 000 ft maximum).
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-20 P 7/116
FCOM 19 AUG 10
ROUTE SELECTION PAGE
Applicable to:
This page displays all the company routes stored in the data base that are associated with the
inserted city pair. The pilot may call it up manually, or it may be displayed automatically.
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 1(99)
