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TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (TEMPERATURE ENTRY)
Intentionally left blank
A318/A319/A320/A321 FLEET PER-TOF-TOC-14-70 P 2/2
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A318/A319/A320/A321 FLEET PER-TOF-TOC-16-10 P 1/2
FCOM 19 AUG 10
TAKEOFF PERFORMANCE
TAKEOFF PERFORMANCE
Applicable to: ALL
Takeoff optimization is calculated for a given runway and its obstacles and for given conditions of
flap setting, temperature, wind and QNH. The calculation produces a maximum permissible takeoff
weight (or a maximum takeoff temperature for an actual weight).
The takeoff thrust produced by the engine varies as follows :
The optimization process calculates the speeds which will produce the maximum takeoff weight.
To do so, it takes into account the different takeoff limitations such as TOD, ASD, TOR, second
segment..., as shown on the charts below.
On a typical runway, the performance of a twin engine aircraft, is generally limited by the one engine
out operation at takeoff. The optimum V2/VS and optimum V1/VR are consequently unique.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
Intentionally left blank
A318/A319/A320/A321 FLEET PER-TOF-TOC-16-10 P 2/2
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A318/A319/A320/A321 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 4 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
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A318/A319/A320/A321 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 SPEED
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 on the takeoff
chart.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A318/A319/A320/A321 FLEET PER-TOF-TOC-16-30 P 1/8
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.
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 7(53)
