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Flexible temperature.............................................................................................................. 52 °C
• Retain CONF 1 + F.
Takeoff speeds are V1 = 145 kt, VR = 154 kt, V2 = 159 kt
• First, apply the correction (Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS).
Flexible temperature with air conditioning OFF.....................................................................54 °C
Air conditioning correction....................................................................................................-10 °C
Intermediate flexible temperature.......................................................................................... 44 °C
No speed correction.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-20-50 P 9/10
FCOM 19 AUG 10
• ApplyWET correction
For􀀃flexible􀀃temperature􀀃<􀀃TVMC􀀃(54􀀃°),􀀃▹Tflex􀀃=􀀃................................................................􀀃-1􀀃°C􀀃
Intermediate flex temperature................................................................................................43 °C
Associated speeds,
V1 = 145 kt - 2 = 143 kt
VR = 154 kt - 0 = 154 kt
V2 = 159 kt - 0 = 159 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............................................................................................ =43 °C
Check􀀃that􀀃OAT/TREF􀀃<􀀃flex􀀃temperature􀀃≤􀀃TMAXFLEX􀀃
No speed correction.
Takeoff speeds are V1 = 143 kt, VR = 154 kt, V2 = 159 kt
Takeoff Configuration : 1 + F
Tflex V1 VR V2
Chart temperature 54 145 154 159
FCOM correction(s) -10 0 0 0
Intermediate value 44 145 154 159
WET Correction -1 -2 0 0
Intermediate value 43 143 154 159
QNH Correction 0 0 0 0
Final value 43 143 154 159
COMBINING CORRECTIONS FROM FCOM AND CHART
Applicable to: ,
1. Apply corrections from FCOM (Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS).
2. Apply corrections from the RTOW chart.
Apply speed corrections except for QNH and bleed influences.
EXAMPLE F
DATA : Actual takeoff weight = 190 000 kg
Head wind = 10 kt
Air conditioning ON
QNH = 1 028 hPa
WET runway
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-20-50 P 10/10
FCOM 19 AUG 10
Use the chart (Refer to PER-TOF-TOC-16-30 CHART LAYOUT). Determine the maximum
permissible takeoff weight (Refer to PER-TOF-TOC-18-10 COMBINING CORRECTIONS FROM
FCOM AND CHART). The actual weight being lower than the maximum one, flexible takeoff is
possible.
• Enter the 10 kt head wind column and interpolate for 190 000 kg, CONF 1+F,
Flexible temperature.............................................................................................................. 51 °C
• Enter the 10 kt head wind column and interpolate for 190 000 kg, CONF 2,
Flexible temperature.............................................................................................................. 50 °C
• Retain CONF 1 + F.
Takeoff speeds are V1 = 147 kt, VR = 147 kt, V2 = 151 kt
• First, apply the correction (Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS).
Flexible temperature with air conditioning OFF.....................................................................51 °C
Air conditioning correction......................................................................................................-6 °C
Intermediate flexible temperature.......................................................................................... 45 °C
No speed correction.
• ApplyWET correction
For􀀃flexible􀀃temperature􀀃<􀀃TVMC􀀃(57􀀃°),􀀃▹Tflex􀀃=􀀃..................................................................0􀀃°C􀀃
Intermediate flex temperature................................................................................................45 °C
Associated speeds,
V1 = 147 kt - 0 = 147 kt
VR = 147 kt - 0 = 147 kt
　
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