A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 6(30)

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V1 = 144 kt - 2 = 142 kt
VR = 144 kt - 0 = 144 kt
V2 = 148 kt - 0 = 148 kt
Since the correction on V2 is 0, no V2 check against VMU limitation is necessary.
• Apply QNH correction
For􀀃flexible􀀃temperature􀀃<􀀃TVMC􀀃(54􀀃°),􀀃▹Tflex􀀃=.................................................................+0􀀃°C􀀃
Maximum flexible temperature............................................................................................ =44 °C
Check􀀃that􀀃OAT/TREF􀀃<􀀃flex􀀃temperature􀀃≤􀀃TMAXFLEX􀀃
No speed correction.
Takeoff speeds are V1 = 142 kt, VR = 144 kt, V2 = 148 kt
Takeoff Configuration : 1 + F
Tflex V1 VR V2
Chart temperature 50 144 144 148
FCOM correction(s) - 6 0 0 0
Intermediate value 44 144 144 148
WET Correction 0 -2 0 0
Intermediate value 44 142 144 148
QNH Correction 0 0 0 0
Final value 44 142 144 148
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (TEMPERATURE ENTRY)
A330/A340 FLEET PER-TOF-TOC-14-60 P 1/2
FCOM 19 AUG 10
FLEXIBLE TAKEOFF NOT POSSIBLE
FLEXIBLE TAKEOFF NOT POSSIBLE
Applicable to: ALL
In some cases when the actual takeoff weight is lower than the maximum permissible one but no
flexible takeoff possible (that is flexible temperature lower than TREF or OAT) :
It ‐ is mandatory to use TOGA thrust
‐ You can retain the speeds that have been calculated for the maximum permissible takeoff weight;
OR
‐ You can retain the speeds associated with the actual takeoff weight provided they are all lower
than the speeds calculated for the maximum permissible takeoff weight.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (TEMPERATURE ENTRY)
Intentionally left blank
A330/A340 FLEET PER-TOF-TOC-14-60 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (TEMPERATURE ENTRY)
A330/A340 FLEET PER-TOF-TOC-14-70 P 1/2
FCOM 19 AUG 10
SUMMARY
SUMMARY
Applicable to: ALL
The flow diagram gives the different steps to follow.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (TEMPERATURE ENTRY)
Intentionally left blank
A330/A340 FLEET PER-TOF-TOC-14-70 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-16-10 P 1/2
FCOM 19 AUG 10
TAKEOFF PERFORMANCE
TAKEOFF PERFORMANCE
Applicable to:
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 engines 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 graphs below.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - GENERAL (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-16-10 P 2/2
FCOM 19 AUG 10
On a typical runway, the performance of a four engine aircraft is generally limited by the all engine
operation at takeoff. The optimum V2/VS is close to the minimum value and there is usually a usable
range of V1/VR (and consequently a usable range of V1).
TAKEOFF PERFORMANCE
Applicable to: ,
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 graphs 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.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
　
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