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FLIGHT PLANNING - LATERAL FUNCTIONS
A318/A319/A320/A321 FLEET DSC-22_20-30-10-18 P 17/44
FCOM 19 AUG 10
3. The parallel entry
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_20-30-10-18 P 18/44
FCOM 19 AUG 10
Note: If the leg the aircraft is flying toward the holding fix is on a “limit” between a teardrop
entry and a parallel entry, the FMGC may compute and display either of the two
entries. The pilot should keep this in mind, and should not assume that the FMGC is
malfunctioning.
If the flight plan leg toward the hold entry fix is on a course that is the reciprocal of the
inbound course of the holding pattern, the aircraft will fly a teardrop entry.
PROCEDURE TO INSERT A HOLD (HOLD WITH MANUAL TERMINATION)
The HOLD prompt enables the crew to enter a holding pattern, with manual termination (HM), at
the revised waypoint or at the present position.
The crew accesses the HOLD page from a lateral revision at the present position (PPOS), or at a
waypoint. Using the HOLD function results in the creation of a temporary F-PLN. The function has
no effect on the active F-PLN, until the temporary F-PLN is inserted. The function has no effect on
the active F-PLN, until the temporary F-PLN is inserted.
SELECT a lateral revision at the applicable waypoint, or at the present position (PPOS),
PRESS the HOLD prompt [ 3L ],
SELECT COMPUTED [ 1R ] or DATABASE [ 2R ], as appropriate,
CHECK, and if necessary, MODIFY the HOLD data,
ACCESS the TMPY F-PLN [ 6L ], REVISE it as necessary and INSERT it [ 6R ].
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_20-30-10-18 P 19/44
FCOM 19 AUG 10
PROCEDURE TO DELETE A HOLD (HOLD WITH MANUAL TERMINATION)
CLEAR the HOLD directly in the flight plan, as can be done for a normal waypoint.
OFFSET
Applicable to:
,
,
MSN,,
4538,,
GENERAL
The OFFSET prompt enables the crew to define a lateral offset to the left or right of the active
flight plan. Once inserted, the offset applies from the present position (PPOS) all along the flight
plan to the first waypoint (WPT) at which a holding pattern is defined, or to the last waypoint before
the runway. In most cases, the crew will use it en-route, because of an ATC clearance, or to avoid
bad weather expected along the flight plan route. Accessed from a lateral revision (LAT REV) at
the present position page, an offset may be defined between 1and 50 nm in one-nautical-mile
steps. Using the offset function results in the creation of a temporary F-PLN. The function has no
effect on the active F-PLN until the temporary is inserted. After inserting the offset in the flight plan,
the flight plan page shows OFFSET in its title, and the navigation display shows the offset flight
plan with a solid green line and the original flight plan with a dashed green line.
The offset is cleared :
Automatically (‐ holding pattern, approach), or
‐ Manually with the clear (CLR) key.
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_20-30-10-18 P 20/44
FCOM 19 AUG 10
Note: If the crew enters an OFFSET when the aircraft is too close to the TO waypoint, the
FMGS may refuse to accept it, in which case the MCDU displays the “ENTRY OUT OF
RANGE” message.
INSERTING AN OFFSET
SELECT LAT REV at the present position (PPOS).
SELECT the OFFSET prompt.
WRITE the required offset value and direction (Example : L15 or 15L).
PRESS [ 1L ] to enter the offset in the OFFSET field.
ACCESS the temporary F-PLN by pressing the [ 6L ] key. Revise as necessary.
PRESS [ 6R ] key to insert the temporary into the active F-PLN.
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_20-30-10-18 P 21/44
FCOM 19 AUG 10
MANUAL CANCELLATION OF AN OFFSET
There are two standard methods of cancelling an offset :
1. SELECT DIR TO a waypoint (the next waypoint, for example).
2. SELECT a Lateral Revision (LAT REV) at FROM WPT.
SELECT the OFFSET prompt.
CLEAR the OFFSET field (or ENTER a zero value in the OFFSET field).
PRESS [6R] to access the temporary flight plan (cancelling OFFSET).
ALTERNATE FUNCTION
Applicable to:
,
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 1(97)
