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Applicable to: ,
In terms of flight plan capacity, the FMS takes into account 3 flight plans:
The active flight plan‐
The secondary flight plan‐
The temporary flight plan.‐
Each flight plan can contain up to 200 legs. If a flight plan contains 200 legs, and if the flight crew
attempts to perform a lateral revision that increases the number of legs of this flight plan, the FMS
rejects the revision and the MCDU displays the "F-PLN FULL" message.
For the active and secondary flight plans, the primary parts must contain less than 135 legs, and the
alternate parts must contain less than 65 legs.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A330/A340 FLEET DSC-22_20-30-10-05 P 11/16
FCOM 19 AUG 10
LATERAL REVISIONS
Applicable to:
The flight crew can revise the lateral flight plan following two types of revisions:
1. Lateral revisions that have an immediate effect on the active flight plan:
The flight crew inserts a new waypoint directly on the F‐-PLN page, deletes or changes a
waypoint from it.
When the flight crew enters a new waypoint that does not exists in the flight plan, the following
waypoint moves down the flight plan, with a discontinuity shown after the new waypoint.
The flight crew adds a direct leg (DIR TO) from his present position to a selected waypoint.‐
The flight crew can change the “TO” waypoint of the active leg. The DIR TO function gives
access to DIR TO, DIR TO ABEAM or DIR TO/INTERCEPT. The active leg then goes from the
present position (T/P) to the waypoint selected or inserted as the new “TO” waypoint.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A330/A340 FLEET DSC-22_20-30-10-05 P 12/16
FCOM 19 AUG 10
2. Lateral revisions that lead to a temporary flight plan (TMPY) before they take effect:
The flight crew creates a temporary flight plan then inserts it as a revision to the active flight plan.
The flight crew does this when selecting, deleting, or modifying several waypoints of an airway or
procedure at once (SID, STAR, HOLD, TAKEOFF or LANDING RWY). This modification is made
on specific “LAT REV” pages from the flight plan page.
Possible revisions are:
Insert or modify departure procedure‐
Insert or modify 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‐
Fix information.‐
The purpose of the temporary flight plan is to allow the flight crew to review the revision on the
MCDU and on the ND before inserting it into the active flight plan.
It is a copy of the 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. As long as
there is a temporary flight plan, the flight crew cannot make revisions on the secondary flight plan.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A330/A340 FLEET DSC-22_20-30-10-05 P 13/16
FCOM 19 AUG 10
No predictions are computed or displayed on the pages of the temporary flight plan.
A temporary revision is displayed for a check and/or new modification. Inserting it will modify the
active flight plan.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
A330/A340 FLEET DSC-22_20-30-10-05 P 14/16
FCOM 19 AUG 10
LATERAL REVISIONS
Applicable to: ,
The flight crew can revise the lateral flight plan following two types of revisions:
1. Lateral revisions that have an immediate effect on the active flight plan:
The flight crew inserts a new waypoint direct‐ly on the F-PLN page, deletes or changes a
waypoint from it.
When the flight crew enters a new waypoint that does not exists in the flight plan, the following
waypoint moves down the flight plan, with a discontinuity shown after the new waypoint.
The fli‐ght crew adds a direct leg (DIR TO) from his present position to a selected waypoint.
The flight crew can change the “TO” waypoint of the active leg. The DIR TO function gives
access to DIR TO, DIR TO ABEAM or DIR TO/INTERCEPT. The active leg then goes from the
present position (T/P) to the waypoint selected or inserted as the new “TO” waypoint.
A330/A340 FLIGHT CREW
OPERATING MANUAL
　
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