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TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-16-20 P 1/2
FCOM 19 AUG 10
TAKEOFF CHART DESCRIPTION
GENERAL
Applicable to: ALL
The takeoff chart (RTOW : Regulatory TakeOff Weight) is calculated for a specific aircraft version
and for a particular runway specified at the top of the chart. The top of the chart also gives some
information about the runway and lists the calculation assumptions.
The chart is given for 2 different configurations and 5 wind values per configuration. This allows the
crew to select the configuration that gives either :
the highest permissible takeoff ‐ weight, or, for a given weight,
‐ the highest flexible temperature.
If different configurations give equivalent performance, the crew should select the configuration
associated with the lowest takeoff speeds.
The left column of the chart contains weight entry. For each weight entry (and for a given
configuration and wind), the chart provides the following information :
Note: The takeoff weight is the sum of the weight entry and the delta weight.
The available limitation codes are :
‐ First segment : 1
‐ Second segment : 2
‐ Runway length : 3
‐ Obstacles : 4
‐ Tire speed : 5
‐ Brake energy : 6
‐ Maximum computation weight : 7
‐ Final takeoff : 8
‐ VMU : 9
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-16-20 P 2/2
FCOM 19 AUG 10
CORRECTIONS DUE TO DIFFERENT TAKEOFF CONDITIONS
Applicable to: ALL
Each takeoff chart is computed for a given set of conditions (air conditioning, QNH, anti ice...)
specified at the top of the chart. If the actual takeoff conditions are different the crew must apply
corrections. Two types of corrections are available :
‐ Conservative corrections : Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS (to be
used when not provided on the chart).
‐ Corrections (less restrictive) listed on the chart, to be applied as explained below.
DESCRIPTION OF THE CORRECTIONS ON TAKEOFF CHART
Applicable to: ALL
The corrections are presented on 4 lines :
TVMC is a temperature value given per column. This is a fictitious value that indicates the
temperature above which the speeds are close to a VMC limitation or are VMC limited.
Note: The lower two lines may be shaded on certain chart formats.
MINIMUM SPEEDS
Applicable to: ALL
Minimum V1/VR/V2 due to VMC are provided on the bottom right side of the takeoff chart.
They are only applicable in case of speed corrections.
These speeds are conservative. They may be slightly higher than V1/VR/V2 displayed in the takeoff
chart.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-16-30 P 1/10
FCOM 19 AUG 10
ADDITIONAL INFORMATION
ONE ENGINE OUT CLIMB PROCEDURE
Applicable to: ALL
The performance given in the chart is consistent with the flight path specified for the aircraft with one
engine out and takes into account significant obstacles.
When the procedure to be followed is not the standard instrument departure, the chart describes a
specific procedure (EOSID).
When the specified procedure requires a turn, except if otherwise stated on the RTOW chart, the turn
should be performed with a maximum bank of 15 ° until the aircraft reaches 1 500 ft or green dot.
The acceleration height (or altitude) ensures that the net flight path clears the highest obstacle by at
least 35 ft when the aircraft is accelerating in level flight to green dot speed after an engine failure, in
the most adverse conditions.
TAKEOFF ON A WET RUNWAY
Applicable to: ALL
Takeoff charts computed for wet runway with a 15 ft screen height and/or use of reverse thrust may
produce, in some conditions, a maximum takeoff weight (or flexible temperature) higher than that
obtained for a dry runway. It is thus mandatory to compare both charts (dry and wet) and retain the
lower of the two weights (or flexible temperature) and the associated speeds determined for a wet
runway.
Note: The crew need not compare the charts if the top of the WET runway chart specifies “DRY
CHECK”. (The comparison has already been inserted in the WET runway calculation).
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-16-30 P 2/10
FCOM 19 AUG 10
CHART DESCRIBED LAYOUT
Applicable to:
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 6(31)
