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The flight crew can use the scroll keys to review the entire active flight plan. They
can make all lateral and vertical revisions to the flight plan via these pages, by
using the left keys for lateral revision and the right keys for vertical revision.
RAD NAV Calls up the RADIO NAV page. This page displays the radio navaids that are
tuned automatically or manually via the FMGEC.
FUEL PRED Calls up the fuel prediction page. When the engines start, this page displays
the predicted remaining fuel at the destination and the alternate, and fuel
management data.
SEC F-PLN Calls up the index page for the secondary flight plan. The flight crew can use
this page to call up the secondary flight plan and all the functions related to it
(copying, deleting, reviewing, activating, and the INIT and PERF pages).
ATC COMM Calls up the ATC applications (if activated).
MCDU MENU Calls up the MCDU MENU page, that displays the subsystems currently
addressed via the MCDU. The key next to the name of a subsystem enables the
flight crew to select that subsystem.
When the MCDU MENU annunciator lights up, the flight crew should press the
MCDU MENU key. The menu displays [REQ] next to the name of the subsystem
that requires attention.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - GENERAL
PILOT INTERFACE - MCDU
A330/A340 FLEET DSC-22_10-40-10 P 14/14
FCOM 19 AUG 10
AIRPORT Calls up the flight plan page that includes the next airport along the current flight
plan. The first push of the AIRPORT key displays the destination. Successive
pushes show the alternate, the origin, and the destination again.
Applicable to: ALL
MCDU DISPLAY
The MCDUs display:
Position and‐ accuracy information
Tuned navaids‐
Lateral and vertical flight plans (waypoints, pseudo waypoints, constraints)‐
Predictions (SPD, TIME, ALT, WIND)‐
Fuel predictions and fuel management information (estimated fuel on board, extra fuel)‐
Performance‐ data.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - GENERAL
PILOT INTERFACE - FCU
A330/A340 FLEET DSC-22_10-40-20 P 1/8
FCOM 19 AUG 10
FCU
Applicable to:
The Flight Control Unit (FCU) is located on the glareshield and is constituted of three control panels:
One for the automatic flight controls and two for the Electronic Flight Instrument System (EFIS).
The FCU has three channels, each of which can independently command the central panel. If one
channel fails, the other channels can control all the functions.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - GENERAL
PILOT INTERFACE - FCU
A330/A340 FLEET DSC-22_10-40-20 P 2/8
FCOM 19 AUG 10
FCU
Applicable to: ,
The Flight Control Unit (FCU) is located on the glareshield and is constituted of three control panels:
One for the automatic flight controls and two for the Electronic Flight Instrument System (EFIS).
The FCU has two channels, each of which can independently command the central panel. If one
channel fails, the other channel can control all the functions.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - GENERAL
PILOT INTERFACE - FCU
A330/A340 FLEET DSC-22_10-40-20 P 3/8
FCOM 19 AUG 10
FCU PHILOSOPHY
Applicable to: ALL
The flight crew can use two types of guidance to control the aircraft in auto flight. The Flight
Management Guidance and Envelope System (FMGES) manages one type. The other uses target
quantities, manually entered by the flight crew.
When the aircraft uses target quantities from the FMGES (managed guidance), the FCU windows
display dashes and the white dots next to those windows light up. When the aircraft uses target
quantities that the flight crew enters (selected guidance), the windows display the selected numbers
and the white dots do not light up.
Note: The altitude window always displays an altitude that the flight crew selects (never dashes).
The FCU has four knobs:
SPD‐-MACH
HDG‐-TRK
ALT‐
V/S‐-FPA.
It is possible to rotate, push in and pull-out the knobs:
In order to arm or engage managed guidance for a mode, the flight crew pushes in the associated‐
knob. If, for example, they push in the HDG knob, this engages or arms the NAV mode.
In order to engage a selected guidance mode, the flight crew turns the knob to set the desired‐
value, then pulls the knob out to engage the mode with its target value that is equal to the selected
value.
Note: In managed guidance (lateral, vertical guidance or managed speed), the corresponding
window is dashed. If the flight crew turns and does not pull a knob, it displays a value that
　
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