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Applicable to:
These pages allow the pilot to review and modify the holding pattern parameters at the selected
revise waypoint. The holding pattern data may come from the database or may be defaulted to
standard dimensions.
The pilot calls up these pages by pressing the HOLD key on the LAT REV page for the waypoint.
Three different HOLD pages are available :
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-20 P 29/116
FCOM 19 AUG 10
DATABASE HOLD AT...
The database has a holding pattern for the selected revise waypoint, but has not been inserted in
the flight plan yet.
COMPUTED HOLD AT...
The database has no holding pattern for the selected revised waypoint.
The system proposes default holding pattern data.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
INB CRS = INBD TRK of the F-PLN leg leading to the revised waypoint.
TURN = Turn direction right.
TIME on outbound leg is 1.5 min above 14 000 ft, 1 min below 14 000 ft.
[ 2R ] field shows “REVERT TO COMPUTED” when the pilot has modified the holding pattern.
HOLD AT...
The flight plan contains a holding pattern that is defined in the database.
If the pilot has modified holding pattern data from the database, but has not inserted it in the flight
plan yet, the field next to [ 2R ] displays “REVERT TO DATABASE” or “REVERT TO COMPUTED”
to allow the pilot to revert to defaulted parameters.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
[ 1L ] INB CRS This field displays the inbound course of the holding pattern. The data may
be modified.
[ 2L ] TURN This field shows the direction to turn in the hold (L or R). The data may be
modified.
[ 3L ] TIME/DIST This field shows the time and distance for the outbound leg. The data may
be modified.
Time and distance are dependent values that the system calculates from
the predicted ground speed, which in turn depends upon the holding
speed (speed for maximum endurance, ICAO speed limit, or constraint
speed, whichever is lower).
[ 6L ] ERASE or
RETURN
The pilot presses this key when the field shows ERASE to erase the
holding pattern.
The pilot presses this key when the field shows RETURN to return to the
LAT REV page if the hold is already inserted in the flight plan.
[ 2R ] REVERT
TO DATABASE
or REVERT TO
COMPUTED
The pilot presses this key to delete manual modifications to the database
hold (or computed hold) and revert to database (or computed) holding
data.
[ 6R ] INSERT The pilot presses this key to insert the hold into the active flight plan.
LAST EXIT UTC FUEL This field displays the time at which the aircraft must leave the holding
pattern in order to meet fuel policy criteria (extra fuel = 0). The system also
displays the estimated fuel on board at that time.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
A330/A340 FLEET DSC-22_20-50-10-20 P 32/116
FCOM 19 AUG 10
DIRECT TO PAGE
Applicable to:
Pressing the “DIR” key under the MCDU screen brings up the DIR TO page. The [ 1L ] key on this
page is the DIR TO key. The pilot presses it to modify the flight plan by creating a direct leg from
the aircraft's present position to any selected waypoint. When in NAV mode, the pilot must use this
key to modify the active leg or the TO waypoint. The pilot cannot call up this page when the aircraft's
present position is not valid.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
CONTROLS AND INDICATORS - MCDU - PAGE DESCRIPTION
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FCOM 19 AUG 10
[ 1L ] DIR TO Pressing this key selects the DIRECT TO or INTERCEPT waypoint.
The pilot can identify the waypoint to be inserted by using its
identifier, its latitude and longitude, place/bearing/distance, or
place-bearing/place-bearing.
Note: If the entered DIR TO is a latitude/longitude, the NEW WAYPOINT
page is automatically called up.
If the pilot does not select the RADIAL IN (1R) or RADIAL OUT (2R) or
ABEAM PTS (2L), the DIR TO function routes the aircraft from the present
　
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