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The flight crew presses this key to call up the secondary flight plan
pages.
[ 1R ] INIT (white) The flight crew presses this key to call up the secondary INIT page.
It is similar to the active INIT page, but blue brackets replace all the
amber boxes.
SECONDARY FLIGHT PLAN PAGES
The secondary flight plan A and B pages are identical to those of the active flight plan. They are
sequenced automatically only when the secondary flight plan is copied from the primary flight plan
and when their active legs are identical.
Pages for the active and secondary flight plans differ from each other as follows :
SECONDARY LATERAL REVISION PAGES :
ERASE and INSERT are n‐ot displayed.
OFFSET and RADIAL FIX INFO are not available.‐
A lateral revision of the secondary flight plan does not create a temporary flight plan : All‐
revisions are directly applied to the secondary flight plan.
SECONDARY VERTICAL REVISION PAGES :
‐ A vertical revision on the secondary flight plan does not create a temporary flight plan.
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 107/116
FCOM 19 AUG 10
SECONDARY STEP ALTITUDE PAGES :
These pages operate as the primary STEP ALTS page, except that optimal step, savings are‐
not available.
SECONDARY INIT A AND B PAGES :
They use blue brackets instead of amber boxes.‐
They have no align or realign prompt.‐
They do not provide for slew‐ing or entering data in the 4L-4R fields (airport reference)
SECONDARY WIND PAGES :
They have no history wind page.‐
SECONDARY PERFORMANCE PAGES :
All boxes are replaced by blue brackets‐
They have no engine out mode, no engine out long range cruise co‐st index.
They have no expedite predictions‐
They have no ACTIVATE/CONFIRM APPROACH PHASE prompt‐
They have no PRED TO ALTN predictions on the PERF CLB and PERF DES pages.‐
They have no derated climb thrust ‐　 selection on the PERF CLB page
They have‐ no engine out drift down, no top of descent, no cabin descent rate information on
the PERF CRZ page.
The secondary flight plan has no FUEL PRED page.
THE SECONDARY INIT A PAGE IS ALSO USED TO REQUEST OR DISPLAY AN UPLINK INIT
MESSAGE RECEIVED AFTER ENGINE START
This uplink INIT message can be cleared or inserted as SECONDARY INIT data.
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 108/116
FCOM 19 AUG 10
[ 2R ] INIT REQUEST* Enable to request INIT data from the ground or,
[ 2R ] INSERT
UPLINK*
A downlink message has been received following a request. The
message can be cleared or entered in the SEC INIT 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 109/116
FCOM 19 AUG 10
BACK UP NAV PAGES
Applicable to:
GENERAL
The MCDU features a back up navigation function which provides simplified IRS based navigation
in case of a dual FM failure.
BACK UP NAV pages display the data related to the BACK UP NAV function.
During FM normal operation, the F-PLN is continuously downloaded in the MCDU memory: the
BACK UP NAV function links the MCDU of the failed FM to its onside IRS.
All navigation data related to the MCDU F-PLN are displayed on the associated ND.
BACK UP NAV function is activated on the MCDU MENU page by depressing the NAV B/UP
prompt.
The MCDU back-up F-PLN may accept a maximum of 150 waypoints. It displays only point to
point F-PLN (radial, pattern, heading leg... cannot be part of the MCDU F-PLN).
No secondary or temporary F-PLN exists.
These are five pages available while BACK UP NAV is active :
B/UP‐ F-PLN
B/UP F‐-PLN for DIRECT TO
B/UP PROG‐
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 110/116
FCOM 19 AUG 10
B/UP IRS f‐or onside IRS (1 or 2)
B/UP IRS3‐
B/UP F-PLN PAGE
The B/UP F-PLN page displays the MCDU F-PLN data. The pilot calls up this page by pressing
the F-PLN key while B/UP NAV is active.
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 111/116
　
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