APPENDICES
MCDU NAMING and DATA FORMAT 11
MCDU
Display
Pseudo
Waypoint
DEFINITION
Access
to LAT
REV
Access
to
VERT
REV
CLR
function
available
(T/C)
Top of
Climb
Inserted into the F-PLN at
the point where the FM
calculates the A/C will
reach the cruise altitude
or, descent path (if
reached prior to CRZ FL)
or, step altitude (if there is
a step climb).
No No No
(T/D)
Top of
Descent
Inserted into the F-PLN at
the point where the FM
calculates that descent
should be started.
No No No
(S/C)
(1)
Step
Climb point
Inserted into the F-PLN at
the point where the step
climb starts.
For a step at waypoint, it is
displayed on the line below
that waypoint.
No No Yes
(S/D)
(1)
Step
Descent
point
Inserted into the F-PLN at
the point where the step
descent starts.
For a step at waypoint, it is
displayed on the line
below that waypoint.
No No Yes
(SPD)
(LIM)
(1)
Speed
limit
This is an altitude related
speed limit.
The speed limit is inserted
into the F-PLN at the point
where the A/C will cross
the climb and/or descent
speed limit altitude(s).
No
Yes Yes
(DECEL)
Deceleration
point
Starting point of
deceleration for approach.
No No No
(1) Indicates that the pseudo waypoint may be entered or modified
directly on the F-PLN page of the MCDU.
AIRBUS A318/319/320/321
© THALES AVIONICS S.A.
J43126AA 00
Summary of Contents for FMGS
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