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permissible takeoff weight (Refer to PER-TOF-TOC-12-10 CORRECTIONS PRODUCED ON THE
RTOW CHART: example 2). The actual weight being lower than the maximum one, flexible takeoff
is possible.
Enter the 10 kt head wind column and interpolate for 220 000 kg, CONF 1+F,
Flexible temperature.............................................................................................................. 48 °C
Enter the 10 kt head wind column and interpolate for 220 000 kg, CONF 2,
Flexible temperature.............................................................................................................. 48 °C
Equivalent performance is obtained from the two different configurations.
Retain CONF 2 as it improves aft body clearance.
Takeoff speeds are V1 = 133 kt, VR = 140 kt, V2 = 146 kt
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (TEMPERATURE ENTRY)
A330/A340 FLEET PER-TOF-TOC-14-50 P 5/10
FCOM 19 AUG 10
ApplyWET correction
For􀀃flexible􀀃temperature􀀃<􀀃TVMC􀀃(54􀀃°),􀀃▹Tflex􀀃=...................................................................0􀀃°C􀀃
Intermediate flex temperature................................................................................................48 °C
Associated speeds,
V1 = 133 kt - 1 = 132 kt
VR = 140 kt - 0 = 140 kt
V2 = 146 kt - 0 = 146 kt
Since the correction on V2 is 0, no V2 check against VMU limitation is necessary.
Apply QNH correction
For􀀃flex􀀃temperature􀀃<􀀃TVMC􀀃(54􀀃°),􀀃▹Tflex􀀃=......................................................................􀀃+0􀀃°C􀀃
Maximum flexible temperature............................................................................................ =48 °C
Check􀀃that􀀃OAT/TREF􀀃<􀀃flex􀀃temperature􀀃≤􀀃TMAXFLEX􀀃
No speed correction.
Takeoff speeds are V1 = 132 kt, VR = 140 kt, V2 = 146 kt
Takeoff Configuration : 1+ F
Tflex V1 VR V2
Chart temperature 48 133 140 146
FCOM correction(s)
Intermediate value 48 133 140 146
WET Correction 0 -1 0 0
Intermediate value 48 132 140 146
QNH Correction 0 0 0 0
Final value 48 132 140 146
CORRECTIONS PRODUCED ON THE RTOW CHART
Applicable to: ,
For example : Refer to PER-TOF-TOC-10-30 CHART LAYOUT
Description of this correction : Refer to PER-TOF-TOC-10-20 DESCRIPTION OF THE
CORRECTIONS ON TAKEOFF CHART. The list of corrections is not exhaustive, however the most
commonly used corrections are wet runway, QNH, air conditioning and/or anti ice. A maximum of
three corrections can be produced on one chart.
To apply the correction, proceed as follows :
1. Enter the chart with wind and selected configuration. Interpolate for actual takeoff weight. Read
flexible temperature associated with this weight.
2. Apply the first correction :
If􀀃the􀀃flexible􀀃temperature􀀃is􀀃less􀀃than􀀃or􀀃equal􀀃to􀀃TVMC􀀃(line􀀃3),􀀃apply􀀃▹Tflex􀀃correction􀀃from􀀃line􀀃1􀀃
and􀀃apply􀀃speed􀀃corrections􀀃(▹V1/▹VR/▹V2)􀀃from􀀃line􀀃2.􀀃
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - FLEXIBLE TAKEOFF (TEMPERATURE ENTRY)
A330/A340 FLEET PER-TOF-TOC-14-50 P 6/10
FCOM 19 AUG 10
Else,􀀃(flexible􀀃temperature􀀃greater􀀃than􀀃TVMC),􀀃apply􀀃▹Tflex􀀃from􀀃line􀀃3􀀃and􀀃▹V1/▹VR/▹V2􀀃
corrections from line 4.
Check V2 against VMU limitation (Refer to PER-TOF-TOD-25-20 GENERAL). If V2 is lower than
V2 limited by VMU, flex takeoff is not possible. Set TOGA thrust and retain the speeds associated
with maximum permissible takeoff weight or the speeds read in the chart for the actual weight if
they are all lower.
No speed correction is required for QNH and bleeds influence (Not applicable to maximum takeoff
weight determination).
3. To combine a second and/or a third correction, proceed as per point 2.
4. Check that the final flexible temperature is :
‐ higher than OAT and TREF
‐ limited to TMAXFLEX
If the check is fulfilled, retain final flexible temperature as the one to be inserted in the MCDU.
If the check is not fulfilled, (final flexible temperature lower than OAT or TREF), no flexible
　
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