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• Engine Out, or
• When entering a holding pattern, or
• In case of go-around, or
• A time constraint is entered at another waypoint while another time constraint already
exists.
A scratchpad message “TIME CSTR DELETED” is displayed.
RTA ENTRY
Applicable to: ,
PRESS the F-PLN key
SELECT vertical revision at revised waypoint
SELECT the RTA key
ENTER a waypoint at which a time constraint is to be defined
WRITE the RTA (+/– HHMMSS) into the scratchpad and ENTER by pressing the 1R key.
The display automatically reverts to the F-PLN A page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - TIME CONSTRAINT
A330/A340 FLEET DSC-22_20-60-90 P 4/6
FCOM 19 AUG 10
Note: ‐ The RTA can be cleared directly on the F-PLN A page using the CLR key.
‐ If a time constraint is inserted in the F-PLN, the OPT STEP function is no longer
available. Therefore, if an OPT is to be inserted in the F-PLN, this shall be done before
entering the RTA.
‐ The time constraint is automatically deleted in the following cases :
‐ Engine Out, or
‐ When entering a holding pattern, or
‐ In case of go-around, or
‐ A time constraint is entered at another waypoint while another time constraint already
exists.
In case a time constraint is deleted, the “RTA DELETED” scratchpad message is displayed.
ESTIMATED TAKEOFF TIME
Applicable to: ALL
The Estimated Takeoff Time (ETT) may be entered by the pilot during the preflight phase at the
origin airport. This time is used as the initialization time for predictions.
The entry is accepted in the preflight phase, if the ETT is greater than the clock time.
PROCEDURE
PRESS the F-PLN key.
SELECT a vertical revision at origin
SELECT the RTA page
WRITE the ETT into the scratchpad, and ENTER it in the UTC CSTR (ETT ) field.
The display automatically reverts to the F-PLN A page.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - TIME CONSTRAINT
A330/A340 FLEET DSC-22_20-60-90 P 5/6
FCOM 19 AUG 10
Note: If the current time exceeds the ETT entry, the ‐ CLK IS TAKE OFF TIME message is
displayed ; the ETT is replaced by the clock time.
‐ At takeoff, the takeoff time is automatically updated using the actual clock time.
‐ An ETT entry is automatically deleted, if the origin airport is modified, or if the clock is
inoperative.
‐ If a time constraint is entered at a waypoint in the F-PLN, the takeoff time required to
match the constraint is automatically computed by the FM. This result is displayed in
magenta as ETT at the origin.
USE OF TIME/ETT CSTR
During
preflight
: ‐ If an ETT has been entered, time predictions are based on the entered value
(or clock time, if greater).
‐ If both an ETT and a time constraint have been entered, time predictions
are based on the entered ETT value (or clock time, if greater). The managed
speed profile is computed to match the time constraint, as closely as
possible, using a pseudo cost index value. (Not displayed).
‐ If only a time constraint has been entered :
• Optimum speeds are computed to determine the ETT, so as to satisfy the
time constraint.
• If necessary, flight time (based on optimum speeds) plus clock time
(current) is greater than the time constraint. Optimum speeds are modified
to match the time constraint as closely as possible.
After Takeoff : The predictions are based on the current time.
Speeds are adjusted to satisfy the time constraint.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - TIME CONSTRAINT
Intentionally left blank
A330/A340 FLEET DSC-22_20-60-90 P 6/6
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - REPORT PAGE
A330/A340 FLEET DSC-22_20-60-100 P 1/2
FCOM 19 AUG 10
GENERAL
Applicable to: ALL
The REPORT page allows the flight crew to achieve the position reporting.
It is tailored for Long-Range or oceanic flights, where a more complete report is required due to the
lack of radar facility, and due to the potential requirement by ATC for specific weather data report.
REPORT PAGE ACCESS
Applicable to: ALL
The report page is accessed from the PROG PAGE.
Note: In case a DIR TO with ABEAM WPTs is achieved, or in case a RADIAL FIX INFO with
ABEAM or RADIAL intersection is inserted in the F-PLN, the TO WPT provided on the
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 2(12)
