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FLIGHT PLANNING - LATERAL FUNCTIONS
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FCOM 19 AUG 10
Note: If a slash or a dash is not entered properly, the Multifunction Control and Display Unit
displays a “FORMAT ERROR” message.
When the Flight Management Guidance System receives a waypoint not in the data base, it
identifies it as LLxx or PBD xx or PBX xx (xx is a two-digit number between 01 and 20) and stores
it in the stored waypoints file of the data base.
Note: When NAV mode is engaged, the crew cannot modify the “TO” waypoint (active leg)
using the waypoint insertion function. If the crew wants to modify it, it will use the DIR TO
function.
WAYPOINT INSERTED DIRECTLY IN THE FLIGHT PLAN
WRITE the waypoint identifier or LAT/LONG, Place/Bearing/Distance or
Place-Bearing/Place-Bearing into the scratchpad. (Example : Place : LMG, Bearing: 330 °,
Distance : 135 nm)
PRESS the appropriate key to enter the waypoint into the flight plan. The rule is that the new
waypoint appears next to the pressed key, and the previous waypoint moves down the flight plan
path.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
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FCOM 19 AUG 10
This operation creates a discontinuity between the new waypoint and the previous one.
The new flight plan will have to be cleared of the discontinuity and some waypoints erased.
WAYPOINT INSERTED THROUGH THE USE OF “NEXT WAYPOINT”
SELECT the lateral revision (LAT REV) function at an appropriate waypoint.
WRITE the waypoint identifier, or LAT/LONG, or Place/Bearing/Distance, or Place-Bearing /
Place-Bearing into the scratchpad.
ENTER it in the brackets under NEXT WPT (next waypoint).
INSERT the temporary flight plan by depressing the [ 6R ] key.
CLEAR the F-PLN discontinuity as appropriate.
INSERTING A WAYPOINT
Applicable to:
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
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FCOM 19 AUG 10
INSERTING A NEW DESTINATION
Applicable to:
The pilot may define a new destination and insert it through the lateral revision page. The pilot may
then call up the new destination from any waypoint along the flight plan except the FROM waypoint,
the destination, and the missed-approach waypoint. When the new destination has been inserted,
a flight plan discontinuity appears between the revision waypoint and the new destination. All
waypoints beyond the revision waypoint (including the previous destination and associated missed
approach) are deleted.
SELECT the lateral revision function at an appropriate waypoint.
WRITE the new destination in the scratchpad.
ENTER it in the brackets under NEW DEST
INSERT the temporary flight plan [ 6R ] key, and complete the flight plan to the new destination.
INSERTING A NEW DESTINATION
Applicable to:
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
FLIGHT PLANNING - LATERAL FUNCTIONS
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FCOM 19 AUG 10
HOLDING PATTERN
Applicable to:
Holding pattern description, associated guidance and flight crew procedures are put together in this
chapter.
The flight management and guidance computer (FMGC) has three types of holding pattern that the
pilot can use in a flight plan.
HOLD TO FIX (HF)
The holding pattern is always part of an arrival or departure procedure. The aircraft flies it once
and then exits the holding pattern automatically at the fix. The predicted speed in the holding
pattern is the lowest of ICAO speed limit, max endurance speed, or any speed constraint.
Guidance to the fix in the holding pattern is similar to that on any leg of a flight plan. The HF
patterns are part of the navigation database and cannot be created by the crew.
HOLD TO ALTITUDE (HA)
The HAs are in the navigation database as part of arrival or departure procedures and cannot be
created by the crew.
The aircraft flies the hold until it reaches the specified altitude. Then it exits the hold automatically
at the fix.
The predicted speed for the holding pattern is the lowest of the ICAO speed limits, the max
endurance speed or any speed constraint.
The size of the holding pattern is a function of the predicted speed.
Guidance in a hold to altitude (HA) is similar to that for any leg of a flight plan.
A318/A319/A320/A321 FLIGHT CREW
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 1(86)
