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Once this factor is established by the airline, it should be arithmetically added to the above-noted
performance factor.
Note: 1. At delivery, ENTER the PERF factor (given in the table above) directly in the MCDU
(no correction factor is needed).
2. When replacing an FMS1 Legacy by an FMS2, on any given aircraft model, the
performance model that is stored in the FMS2 may be different from the one that was
previously stored in the FMS1 Legacy.
As a result, DISREGARD the PERF factor previously entered in the MCDU.
ADD the “monitored fuel factor” (when available) to the PERF factor (given above),
and ENTER the resulting factor in the MCDU.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
PERFORMANCE - PREDICTIONS
Intentionally left blank
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A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
FMS LEGACY
GENERAL
Applicable to:
The FMGS (flight management guidance and envelope system) displays information on various
“pages”. When a page cannot display all the information assigned, it cues the pilot to call up
additional information.
There are three types of pages, and each type has its particular way of cuing the pilot to call up
additional information.
FIRST TYPE
When this page cannot display all the information on the screen simultaneously (more information
than the six pairs of lines on the screen can hold), the pilot can scroll the page up or down.
When this is the case, the screen displays a ↑↓ symbol in its bottom righthand corner (F-PLN
pages, secondary F-PLN page, departure/arrival pages,...).
SECOND TYPE
When successive pages hold the information, the pilot presses the [→] [←] keys to call up these
pages sequentially.
In this case, the page displays an arrow in the top right hand corner of the screen (INIT pages).
THIRD TYPE
When successive pages hold different types of information, the pilot calls these up by pressing the
key adjacent to the prompts >, < or *.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
MCDU MENU PAGE
Applicable to:
This page lists the various systems to which the pilot can gain access through the MCDU. It also
allows activation of the navigation backup mode.
The pilot selects a system by pressing the key adjacent to the name of that system. The screen
shows the name of the selected system in green, all others in white.
If the MCDU cannot establish communication with the selected system, it displays “TIME OUT”.
When a system calls for pilot attention, the MCDU displays “REQ” next to the system name, and the
“MCDU MENU” annunciator lights up.
When the pilot presses the key next to the name of the system that requires attention, the “MCDU
MENU” annunciator light goes out.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
SELECT NAV B/UP Pressing the [1R] key selects the NAV B/UP function and the field displays
DESELECT NAV B/UP.
If the NAV B/UP is inoperative, the field is blank.
RETURN This field is displayed when a function is active
If the MCDU attempts to communicate with a system, "SEL" is displayed next to the system name.
INIT A PAGE
Applicable to:
The pilot uses the INIT A page to initialize the flight plan and align the inertial reference system.
The pilot gains ac‐cess to this page by pressing the INIT key on the MCDU console, but only during
the preflight phase.
The pilot may also call up this page by :‐
• Pressing the [ → ] or [ ← ] keys on the MCDU console while INIT B page is selected or
• Pressing the key next to “RETURN” or “INSERT” on the route selection page or
The pilot may press the INIT key when in the done phase to begin the next preflight phase.‐
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
[ 1L ] CO RTE If the flight crew enters a company route number, the screen displays all
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 1(98)
