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[ 2R ] and [ 5R ] GS GPS 1, 2 ground speed
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 75/124
FCOM 19 AUG 10
[ 3R ] and [ 6R ] MODE/SAT GPS 1, 2 mode : (INIT, ACQ, NAV, TEST, FAULT, AIDED or
ALTAID) and number of satellites tracked.
INIT : System initialization
ACQ : Satellite acquisition
NAV : Normal mode
TEST : System test
FAULT : Invalid system
ALTAID/AIDE:D Degraded modes. GPS uses aircraft inputs for
computation purposes.
[ 2] and [ 5] UTC : GPS 1, 2 UTC
[ 3] and [ 6] GPS ALT : GPS altitude is displayed for information purposes. It is not used
by the FMGS.
CLOSEST AIRPORTS PAGES
Applicable to: ,
The system selects automatically the 4 closest airports from the current aircraft position and displays
them on these pages. A fifth one can be selected by the pilot.
The page 1 displays the bearing, distance and time to go to each airport, the page 2 displays the
EFOB and allows the crew to enter an effective wind to be flown to each airport.
The flight crew accesses the CLOSEST AIRPORTS page 1 by depressing 5L key from DATA INDEX
A page, the CLOSEST AIRPORTS page 2 by pressing the EFOB/WIND prompt (6R key) on the
page 1.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 76/124
FCOM 19 AUG 10
[1L] - [1R] to [4L] - [4R] The four closest airports are extracted from the database, and ranked by
distance from the aircraft position.
BRG displays the current bearing from the aircraft position to
the airport. T is added if true reference is selected.
DIST displays the current great circle distance from the
aircraft position to the airport.
TIME or UTC displays the predicted time to the airport computed
using the current wind or a wind vector entered on
the page 2 and the speed according to current mode
(managed or selected).
The time is only computed in cruise phase.
[5L] The crew may enter a fifth airport here using the 4 letter code. The entry
may be modified at any moment even when the “LIST FROZEN” is
displayed.
If the pilot enters an airport that is not in the database, then “NOT IN DATABASE” appears in the
scratchpad.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-25 P 77/124
FCOM 19 AUG 10
[1L] - [1R] EFOB to [5L]
- [5R] EFF WIND
Displays the EFOB at each airport. EFOB is only computed in cruise phase.
The pilot may enter here an anticipated headwind or tailwind along the
bearing to the airport. If the entry is preceded by +, T, TL a tail wind is
assumed.
If the entry is preceded by –, H, HD a head wind is assumed.
Before the pilot entry, a default value may be displayed, based on the
current wind.
The effective wind is used to compute the EFOB and time to the airport.
[6L]
FREEZE/UNFREEZE
This prompt allows the pilot to freeze and unfreeze the list of four airports.
The list is automatically frozen upon accessing the page 2. It will remain
frozen upon returning to page 1.
The “LIST FROZEN” message is always displayed on page 2.
RETURN Returns to the page 1.
[6R] EFOB/WIND Gives access to the page 2.
Pressing this prompt automatically freezes the list of four closest airports.
Note: If the aircraft position becomes invalid, all fields are dashed, FREEZE/UNFREEZE and‐
EFOB/WIND prompts are removed, LIST FROZEN is displayed and the A/C POSITION
INVALID message is displayed in the scratchpad. Page 2 may not be accessed.
Predictions (E‐FOB, TIME) displayed on the page assume :
• ECON CRZ speed (managed) or current selected speed (selected) ;
• CI (for managed speed only) and CRZ FL from primary F-PLN are kept ;
• Constant wind value ;
• In case of engine out, the aircraft altitude is the minimum of (CRZ FL, EO REC MAX) ;
• Downpath steps are not considered ;
• Descent fuel burn is a conservative value which only depends on the difference
between current CRZ ALT and destination altitude.
EQUI-TIME POINT PAGE
Applicable to: ,
The pilot will use this page to require an equitime point computation between two different points
(airport, navaid runway or waypoint). This pseudo-waypoint is displayed on the navigation display
along the F-PLN. The EQUI-TIME POINT page is accessed by pressing the 6L key from the DATA
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 1(153)
