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The flight crew should clear the discontinuity as appropriate, check the temporary F-PLN and
insert it in the active F-PLN.
‐ The flight crew adds a direct leg (DIR TO):
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A318/A319/A320/A321 FLEET DSC-22_20-30-10-05 P 23/24
FCOM 19 AUG 10
The flight crew can perform a “DIR TO” to a waypoint in the F-PLN. Different options may be
used to perform a “DIR TO”: DIRECT TO, DIR TO WITH ABEAM POINTS, RADIAL IN, RADIAL
OUT. A single revision DIR TO temporary F-PLN specific to the DIR TO action is automatically
created when the waypoint has been selected. After inserting the “DIR TO”, the active leg goes
from present position (T/P) to the selected waypoint.
The flight crew uses the LAT REV ‐ function. Possible revisions are:
• Insert or modify the departure procedure
• Insert or modify the arrival procedure
• Insert a waypoint
• Change the destination
• Insert an airway
• Insert an offset
• Insert a holding pattern
• Select or enable an alternate flight plan
• Radial fix information
• Insert LAT/LONG crosssing waypoint.
The purpose of the temporary flight plan is to allow the flight crew to check a revision on the
MCDU and on the ND before inserting the changes into the active flight plan. It is a copy of the
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A318/A319/A320/A321 FLEET DSC-22_20-30-10-05 P 24/24
FCOM 19 AUG 10
active flight plan that has been changed according to the flight crew revision. While it is displayed,
the aircraft will continue to follow the original active flight plan.
Predictions are computed or displayed on the pages of the temporary flight plan.
A temporary flight plan is displayed for a check and/or new modification. Inserting the temporary
revision will modify the active flight plan.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A318/A319/A320/A321 FLEET DSC-22_20-30-10-15 P 1/42
FCOM 19 AUG 10
FMS2 HONEYWELL
GENERAL
Applicable to:
The lateral revision function allows the pilot to create or modify the following parts of the flight plan :
‐ Airway
‐ Waypoint
‐ New destination
‐ Holding pattern
‐ Offset
‐ Alternate
‐ Fix information
Each time the pilot activates one of the above-listed revisions, he accesses a temporary flight plan
that enables the modification to be checked before inserting it in the active flight plan. The crew
selects these functions by pressing the left keys on F-PLN A or B.
‐ Direct to and overfly functions are accessed via the MCDU keys. No temporary flight plan is
created with these functions.
‐ “Update at” capability is a specific function that manually updates the FM position. It does not use
a temporary flight plan, but the pilot must confirm its insertion before it is activated.
TEMPORARY F-PLN (TMPY)
Applicable to:
When a pilot makes a lateral revision to the F-PLN, the FMGS creates a temporary flight plan. This is
a copy of the active F-PLN, but is corrected by the lateral revision in progress.
The aircraft continues to follow the active F-PLN, until the temporary revision is inserted.
The revision appears in yellow font on both MCDUs and NDs.
‐ Lateral and vertical revisions cannot be made to a temporary F-PLN.
‐ Only one temporary F-PLN may be accessed at a time.
‐ The “DIRECT TO” function, when used, erases a temporary F-PLN.
‐ When a DIR TO is in process, a temporary revision cannot be displayed on the other MCDU.
‐ A TMPY F-PLN changes the title of the flight plan pages. (TMPY appears in all titles).
‐ No predictions are computed for a temporary flight plan (dashes are displayed).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A318/A319/A320/A321 FLEET DSC-22_20-30-10-15 P 2/42
FCOM 19 AUG 10
Temporary data is displayed in yellow (ND and MCDU). Once inserted, it becomes active and is
displayed in green.
INSERTING AN AIRWAY WITH "VIA"
Applicable to:
In the active flight plan, the pilot can insert up to 5 successive airway segments, going from a revised
waypoint or ending at a given waypoint of the flight plan.
SELECT the revised waypoint (here CDN).
　
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