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the flight plan. This page also displays the fuel/time savings associated with the optional step.
The crew calls it up from the vertical revision page.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A318/A319/A320/A321 FLEET DSC-22_20-50-10-28 P 45/126
FCOM 19 AUG 10
TITLE STEP ALTS followed by the current cruise altitude.
[ 1L ] – [ 1R ] [ 4L ] – [ 4R ]
ALT/WPT (blue)
The waypoint identifier, as well as the altitude to step, can be entered
in this field. Both are displayed in large font. When an entry is made, a
temporary F-PLN is created.
DIST / TIME (UTC) (small
green font)
Displays the distance to go, and time from the present aircraft position,
along the flight plan to the step point.
Note: The following messages may be displayed in the DIST / TIME
field :
“ABOVE MAX”, ‐ if the step altitude exceeds the Max
altitude.
‐ “IGNORED”, if the end step point is less than 50 nm from
the top of descent.
‐ “STEP AHEAD”, when the aircraft is within 20 nm of the
start step point.
‐ NO OPTIMAL, if an inserted optimal step fails in a
discontinuity due to a flight plan change, or if a time
constraint exists in the flight plan.
[ 5L ] OPT STEP : ENTER
ONLY ALT (white)
Is displayed to guide the crew for the entry format of an optimal step.
(OPT) FROZEN : RTA
EXISTS
Is displayed, if a time constraint exists in the flight plan.
SELECT (OPT) TO FLXXX This prompt allows the selection of the optimal step.
NO OPTIMAL STEP Is displayed when the system cannot determine the optimal point for
the corresponding altitude.
[ 6L ] RETURN or TMPY
F-PLN
The flight crew presses this key to return to the previous page.
Appears when a temporary flight plan exists. It provides access to the
temporary flight plan page.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
[ 6R ] ΔTIME/ΔFUEL (green) Time and fuel savings represent the gain from selecting the optimal
step : The difference in flight time and fuel consumption between
the F-PLN without the optimal step selected and the F-PLN with the
optimal step selected. It is displayed, when an optimal step has been
computed.
As soon as the optimum step is selected, the time/fuel savings
information is no longer displayed.
DATA INDEX PAGES
Applicable to:
,
,
MSN,,
4538,,
GENERAL
There are two INDEX pages :
The DATA INDEX 1/2 page gives access to various pages assigned to navigation.
The DATA INDEX 2/2 page lists the navigation data, entered in the FMGS.
The crew enters those items labeled “PILOTS” and can modify them. The crew can call up the
others, but cannot modify them.
The crew calls up these pages by pressing the DATA key on the MCDU console :
DATA INDEX 1/2 PAGE
[ 1L ] POSITION MONITOR
- [ 2L ] IRS MONITOR
When the flight crew presses these keys, the display shows all
essential navigation data.
[ 3L ] GPS MONITOR This key calls up the GPS MONITOR page.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A318/A319/A320/A321 FLEET DSC-22_20-50-10-28 P 47/126
FCOM 19 AUG 10
[ 4L ] A/C STATUS This key calls up the aircraft status page.
[ 5L ] CLOSEST AIRPORTS This key calls up the closest airports page.
[ 6L ] EQUI-TIME POINT This key calls up the equi-time point page.
[ 5R ] PRINT �� This key calls up the printer function pages.
[ 6R ] AOC �� This key calls up the ACARS function pages.
DATA INDEX 2/2 PAGE
[ 1L ] WAYPOINTS [ 2L ]
NAVAIDS [ 3L ] RUNWAYS
[ 4L ] ROUTES
These keys call up descriptions of waypoints, navaids, runways, and
routes stored in the database, so that they can be reviewed.
[ 5L ] ACTIVE F-PLN
WINDS
This key calls up the appropriate active F-PLN wind page (CLIMB,
CRUISE, or DESCENT).
[ 6L ] SEC F-PLN WINDS This key calls up the appropriate secondary F-PLN page (CLIMB,
CRUISE, or DESCENT).
[ 1R ] PILOTS WAYPOINTS
[ 2R ] PILOTS NAVAIDS
[ 3R ] PILOTS RUNWAYS
[ 4R ] PILOTS ROUTES
These keys call up waypoints, navaids, runways, and routes that the
pilot has stored, enabling the pilot to review and store them in, or
delete them from, the database.
　
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