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(9) Cross Track Error
This is the aircraft's lateral deviation from the active leg of the flight plan (related to the great
circle route). It is indicated in nautical miles (NM), with the letter R (right) or L (left), according to
the position of the aircraft with respect to the flight plan.
(10) Track line
This line appears in green only in the ROSE NAV or ARC mode when HDG or TRK has been
selected on the FCU.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
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FCOM 19 AUG 10
(11) Procedure turns and holding patterns
These appear only when they are part of the flight plan. For the 160 and 320 nm range scales,
each one is represented by a white arrow that originates at the associated fix and indicates the
direction of the turn.
For shorter range scales and if the procedure turn or the holding pattern is in the next or the
active leg, the display shows the full circuit or pattern.
(12) Minimum Off Route Altitude (MORA)
Provided CSTR is selected and range is selected equal to or above 40 nm, a digital readout
(Flight Level) is displayed, which represents the Minimum Off Route Altitude allowed, in a circle
A318/A319/A320/A321 FLIGHT CREW
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of 40 nm around the aircraft. Nothing is displayed, if MORA for the chosen flight route is not
available in the FMGS database.
PLAN MODE
Applicable to:
This mode statically displays the flight plan legs on a map oriented to true north. The map is centered
on a map reference point, that the pilot selects by scrolling to it on his MCDU.
The map reference point is the waypoint displayed on the second line of the MCDU's F-PLN page. It
can either be the active waypoint (next waypoint to be overflown), or any other waypoint of the flight
plan.
The pilot can scroll through the overall flight plan, and display it in PLAN mode.
The pilot chooses the scale of the map with the range selector (the diameter of the outer circle
corresponds to the selected range).
Data on navaids and on their characteristics and associated bearing pointers are not available in this
mode.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON ND
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FCOM 19 AUG 10
(1) Aircraft Position and True Track
The orientation of the yellow aircraft symbol always indicates the true track of the aircraft. Its
position represents the aircraft position given by the FMGS.
(2) Map Reference Point
(3) Cross Track Error
Refer to DSC-31-45 ROSE NAV MODE/ARC MODE.
PLAN MODE
Applicable to:
,
,
MSN,,,,
This mode statically displays the flight plan legs on a map oriented to true north. The map is centered
on a map reference point, that the pilot selects by scrolling to it on his MCDU.
The map reference point is the waypoint displayed on the second line of the MCDU's F-PLN page. It
can either be the active waypoint (next waypoint to be overflown), or any other waypoint of the flight
plan.
The pilot can scroll through the overall flight plan, and display it in PLAN mode.
The pilot chooses the scale of the map with the range selector (the diameter of the outer circle
corresponds to the selected range).
Data on navaids and on their characteristics and associated bearing pointers are not available in this
mode.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON ND
A318/A319/A320/A321 FLEET DSC-31-45 P 43/72
FCOM 19 AUG 10
(1) Aircraft Position and True Track
The orientation of the yellow aircraft symbol always indicates the true track of the aircraft. Its
position represents the aircraft position given by the FMGS.
(2) Map Reference Point
If the CSTR option is not selected, the track and distance from the map reference point to the
next F-PLN waypoint is displayed in magenta.
(3) Cross Track Error
Refer to DSC-31-45 ROSE NAV MODE/ARC MODE.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
INDICATING / RECORDING SYSTEMS
INDICATIONS ON ND
A318/A319/A320/A321 FLEET DSC-31-45 P 44/72
FCOM 19 AUG 10
WEATHER RADAR
Applicable to:
(1) Weather Radar Picture
When the radar is operating, and when the ND is not in ‐ PLAN mode, the ND displays the
weather radar picture.
‐ The echoes appear in different colors, depending on the precipitation rates (black, green,
　
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