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V2 = 151 kt - 0 = 151 kt
Since the correction on V2 is 0, no V2 check against VMU limitation is necessary.
• Apply QNH correction
For􀀃flexible􀀃temperature􀀃<􀀃TVMC􀀃(57􀀃°),􀀃▹Tflex􀀃=.................................................................+0􀀃°C􀀃
Maximum flexible temperature............................................................................................ =45 °C
Check􀀃that􀀃OAT/TREF􀀃<􀀃flex􀀃temperature􀀃≤􀀃TMAXFLEX􀀃
No speed correction.
Takeoff speeds are V1 = 147 kt, VR = 147 kt, V2 = 151 kt
Takeoff Configuration : 1 + F
Tflex V1 VR V2
Chart temperature 51 147 147 151
FCOM correction(s) -6 0 0 0
Intermediate value 45 147 147 151
WET Correction 0 0 0 0
Intermediate value 45 147 147 151
QNH Correction 0 0 0 0
Final value 45 147 147 151
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-20-60 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 (WEIGHT ENTRY)
Intentionally left blank
A330/A340 FLEET PER-TOF-TOC-20-60 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-20-70 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 (WEIGHT ENTRY)
Intentionally left blank
A330/A340 FLEET PER-TOF-TOC-20-70 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF DATA - QNH/BLEEDS CORRECTION
A330/A340 FLEET PER-TOF-TOD-24 P 1/4
FCOM 19 AUG 10
EFFECT OF QNH AND BLEEDS
Applicable to:
EXAMPLE :
Airfield elevation = 450 ft
QNH = 1 040 hPa
Pressure altitude = 450 – (1 040 – 1 013) × 28 = –306 ft
Correction = 150 kg (330 lb) x (450/28) + 50 kg (110 lb) × (306/28) = 2 900 kg
(6 500 lb)
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF DATA - QNH/BLEEDS CORRECTION
A330/A340 FLEET PER-TOF-TOD-24 P 2/4
FCOM 19 AUG 10
EFFECT OF QNH AND BLEEDS
Applicable to: ,
Note: * Corrections valid only for OAT < 10 °C.
EXAMPLE :
Airfield elevation = 450 ft
QNH = 1 040 hPa
Pressure altitude = 450 – (1 040 – 1 013) × 28 = –306 ft
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF DATA - QNH/BLEEDS CORRECTION
A330/A340 FLEET PER-TOF-TOD-24 P 3/4
FCOM 19 AUG 10
Correction = 90 kg (200 lb) x (450/28) + 40 kg (100 lb) × (306/28) = 1 900 kg
(4 300 lb)
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF DATA - QNH/BLEEDS CORRECTION
Intentionally left blank
A330/A340 FLEET PER-TOF-TOD-24 P 4/4
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF DATA - MINIMUM SPEEDS
A330/A340 FLEET PER-TOF-TOD-25-10 P 1/2
FCOM 19 AUG 10
SPEEDS LIMITED BY VMC
SPEEDS LIMITED BY VMC
Applicable to:
Takeoff speeds all have a minimum value limited by control. These minimum control speeds are
usually provided on each RTOW chart. If these are not available, use the following conservative
values.
Pressure
altitude (ft) -2 000 0 1 000 2 000 3 000 4 000 5 000 6 000 10 000 14 600
CONF 1 + F
and CONF 2 133 132 130 129 127 125 124 122 116 109
CONF 3 133 132 131 129 128 126 124 123 117 109
V1 min =
VR min
Pressure
altitude (ft) -2 000 0 1 000 2 000 3 000 4 000 5 000 6 000 10 000 14 600
CONF 1 + F
　
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