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A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - MESSAGES
A318/A319/A320/A321 FLEET DSC-22_20-50-20-35 P 4/8
FCOM 19 AUG 10
Continued from previous page
MESSAGE TYPE/COLOR CONDITIONS
FORMAT ERROR I/W A data entry does not meet the specified entry format for a given
field.
GPS PRIMARY LOST
(also displayed on ND)
II/A Displayed when GPS PRIMARY mode is lost.
GPS PRIMARY II/W Displayed when the FMS is transitioning to GPS PRIMARY
GPS IS DESELECTED II/A This message appears when GPS has been manually deselected
and the aircraft is 80 nm before the top of descent or in approach
phase.
INDEPENDENT OPERATION II/A The FMGCs operate independently of each other.
INITIALIZE WEIGHTS II/A The zero-fuel weight or block fuel (FOB) is undefined after engine
start.
INVALID FLT NBR UPLINK
(ACARS msg)
II/W The uplink message contains a valid flight plan but no flight
number.
INVALID PERF UPLINK
(ACARS msg)
II/W Performance uplink message has been rejected.
INVALID RTE UPLINK
(ACARS msg)
II/W An error was detected into the uplink message and it is rejected.
INVALID TAKEOFF UPLINK
(ACARS msg)
II/W The current uplink takeoff data message is rejected.
INVALID WIND UPLINK
(ACARS msg)
II/W The current uplink wind message is rejected.
LAT DISCONT AHEAD II/A The next leg is a discontinuity and the aircraft is 30 s from flying
the leg.
LIST OF 10 IN USE I/W The flight crew has tried to enter more than ten stored runways
into the database, and all of the first ten are included in a flight
plan or a pilot-stored route.
LIST OF 20 IN USE I/W The flight crew has tried to create a PBD, LAT/LONG, or PB-PB,
or store a pilot-defined waypoint or navaid when 20 are already in
use (in a flight plan or pilot-stored routes).
MACH SEGMENT DELETED II/W A constant Mach segment of the active flight plan has been
automatically deleted. This occurs when the secondary flight plan
or the alternate is activated, or engine out is detected or when the
flight phase changes from CRZ to another one.
MCDU OVERHEATED II/A This message is displayed for 15 s in case of MCDU overheating.
MORE DRAG
(EFIS PFD)
II/W DES mode is engaged, idle is selected and the aircraft must
decelerate in order to recover the path, or to respect an altitude
constraint, a speed limit or a speed constraint.
NAV ACCUR DOWNGRAD
(also displayed on ND)
II/A NAV accuracy has been downgraded from HIGH to LOW. (See
FMGS principles for an explanation).
NAV ACCUR UPGRAD
(*EFIS ND)
II/A NAV accuracy has been upgraded from LOW to HIGH.
NEW ACC ALT-HHHH II/W The acceleration altitude has been changed.
To be continued on next page
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - MESSAGES
A318/A319/A320/A321 FLEET DSC-22_20-50-20-35 P 5/8
FCOM 19 AUG 10
Continued from previous page
MESSAGE TYPE/COLOR CONDITIONS
NEW CRZ ALT-HHHHH II/W The cruise altitude has been changed.
NEW THR RED
ALT-HHHH
II/W The thrust reduction altitude has been changed.
NO ANSWER TO REQUEST
(ACARS msg)
I/W A crew request, was previously sent to the ground and no answer
has been received for 4 min.
NO INTERSECTION FOUND I/W The system could not find any common waypoint nor intersection
point through the airway.
NON UNIQUE ROUTE IDENT I/W The flight crew has tried to enter on the new route page a
company route ident that is identical to an existing company route
ident (pilot-defined or in the database).
NOT ALLOWED I/W Data entry is not allowed in the selected field, or a selection action
is not allowed.
NOT ALLOWED IN NAV I/W An attempt to modify the TO waypoint is made while in NAV
mode.
NOT IN DATA BASE I/W The pilot is trying to enter or call up a company route ident, a
FROM/TO pair, a place defined by place-bearing-distance (PBD)
or place-bearing/place-bearing (PB/PB) or an airport navaid,
waypoint runway, or navaid frequency (including pilot-defined
elements) that is not in the current database.
NOT XMITTED TO ACARS
(ACARS msg)
II/W A pilot request or a crew report was sent but the communication
was not established or not acknowledged.
ONLY SPD ENTRY ALLOWED I/W The pilot is trying to enter a Mach number for a preselected speed
value on the CLIMB page.
OPP FMGC IN PROCESS II/W The offside FMGC is unhealthy, and the FM system mode is
SINGLE. The message indicates that the MCDU on which the
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 2(26)
