MD-11 Flight Crew Operations Manual
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FMS -
Controls and Displays
FMS.30.126
MCDU Message List
Two types of messages may be displayed in the scratchpad (SP) of the MCDU.
Type I messages are less important than type II messages. Except for PLEASE
WAIT, any message can be cleared by pushing the CLR key on the MCDU. The
CLR key on one MCDU will not clear messages on the other MCDU.
Type I messages are displayed immediately when received and will overwrite any
entry in the SP. The original entry will reappear when the message is cleared. Type
I messages are not stored and are cleared automatically by the next key push.
The existence of a type II message will illuminate the MSG annunciator on the
MCDU and display the legend CDU MSG on the ND. The message will not
appear in the SP if the SP is occupied. The message is stored and will appear
whenever the SP is empty and remain until the message is cleared. A total of five
messages can be stored at any one time. The stack must be cleared one at a time.
Pilot entry into the SP will overwrite the type II message, however, the message
will reappear when the pilot entry is removed. Most type II messages are cleared
automatically when they no longer apply.
ABEAM POINTS INCOMPLETE - A direct-to with abeam points is entered and
• There is not room in the defined waypoints list for all of the abeam points
or,
• The available guidance leg storage is not enough to accommodate all the
legs required for the abeam points.
A/C POSITION INVALID - Position changes from valid to invalid while the
HOLD or DIRECT TO page is displayed.
A/C STATUS MISMATCH - The FMC requesting re synchronization detects that
its program, navigation database, or program pin configuration is different than
that of the offside FMC.
ACARS PERF DATA - Appears upon receipt of the first piece of performance
data in an ACARS FPR (flight planning) or LIF (takeoff data) uplink.
ACARS ROUTE DATA - Appears upon receipt of an ACARS FPR (flight
planning) uplink.
ACARS RWY NOT IN F-PLN - The runway displayed on the ACARS
TAKEOFF REVIEW page disagrees with the origin runway in the active primary
flight plan.
ACARS TAKEOFF DATA - Appears following the receipt of an ACARS LIF
(takeoff data) uplink.
ACARS WIND DATA - Appears upon receipt of an ACARS PWD (wind) uplink.
• ALIGN IRS - Appears if all of the following are true:
• At least one IRS sensor is operating and in align mode.
• The F-PLN INIT page is not being displayed.
October 02, 2006
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