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CHECK that a temporary F-PLN is automatically displayed on both NDs.
INSERT the DIR TO in 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 29/44
FCOM 19 AUG 10
CASE 2. THE “TO” WAYPOINT DOES NOT BELONG TO THE FLIGHT PLAN :
Example : Direct to ABC (ABC being an ident, LL or PBD, PB/PB or a PD), with the AMI default
DIRECT TO option activated.
PRESS the DIR key.
WRITE the waypoint identifier (e.g. ABC) in the scratchpad.
PRESS [1 L] to enter “ABC” in the “WAYPOINT” field.
CHECK that a temporary F-PLN is automatically displayed on both NDS.
INSERT the DIR TO in 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 30/44
FCOM 19 AUG 10
Clear the discontinuity and the waypoints that are not included in the new flight plan.
PARTICULAR CASES FOR USE OF DIR TO
If the pilot is flying a manual leg (part of a SID or STAR), ‐ the flight plan page displays “F-PLN
DISCONTINUITY”, preceded by “MANUAL” (see below).
These legs are specific heading or track legs flown with no defined end waypoint.
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 31/44
FCOM 19 AUG 10
‐ When the pilot encounters a flight plan discontinuity, or if a major reset occurs, the flight plan
page displays “PPOS – F-PLN DISCONTINUITY”, and the pilot looses managed guidance in
both the lateral and vertical plans.
The autopilot or flight director reverts to the basic HDG V/S (or TRK FPA) modes. Predictions
remain available and are based on the assumption that the aircraft will fly a direct leg from its
present position to the next waypoint.
‐ In both of these cases, the only way to get back to a standard flight plan is to perform a
“DIR TO” to a designated waypoint.
‐ Following a DIR TO, the “MAP PARTLY DISPLAYED” message may appear on the NDs, if
the new flight plan includes a very long leg. (Refer to DSC-31-45 FLAGS AND MESSAGES
DISPLAYED ON ND). When this message comes up, enter an intermediate waypoint to shorten
the leg.
‐ If another lateral or vertical revision is attempted, while a DIR TO is pending, the MCDU
message “DIR TO IN PROCESS” is displayed.
PROCEDURE FOR DIR TO/ABEAM
Example : DIR TO/ABEAM to BEROK (with the AMI default DIRECT TO option activated).
PRESS the DIR key on the MCDU.
WRITE the waypoint identifier in the scratchpad (Here : BEROK).
PRESS [1 L] to enter the waypoint identifier in the WAYPOINT field.
SELECT the ABEAM PTS function, and CHECK that a TMPY F-PLN is displayed on both NDs.
INSERT the temporary F-PLN by pressing the [6R] 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 32/44
FCOM 19 AUG 10
Note: 1. If, between the two waypoints projected on the direct leg, there was a discontinuity in
the original flight plan, this discontinuity disappears between the corresponding abeam
points on the direct leg.
2. If the pilot enters a latitude/longitude type reference waypoint, the system renames the
abeam point with its recomputed coordinates (only in degrees).
PROCEDURE FOR DIR TO/INTERCEPT
PRESS the DIR key.
WRITE the waypoint identifier in the scratchpad.
PRESS [1L] to enter the waypoint in the WAYPOINT field.
In the [4R] and [5R] fields, the MCDU displays the functions radial inbound and radial outbound
from the waypoint.
If the waypoint belongs to the flight plan, the system displays the flight plan track as the default
inbound radial.
WRITE the required in or out radial in the scratchpad, as necessary.
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 33/44
FCOM 19 AUG 10
PRESS [4R] or [5R] to enter the radial in the required field.
The ND displays the temporary F-PLN. The pilot can still modify it :
INSERT the DIR TO/INTERCEPT from the temporary into the active F-PLN by using the [6R] key.
CLEAR the discontinuity, as necessary.
The display reverts to the F-PLN A page, the system arms the NAV mode, and engages the
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 1(100)
