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Since the speed check is fulfilled :
Maximum permissible takeoff weight = 256.0 (1 000 kg)
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-18-10 P 10/12
FCOM 19 AUG 10
V1 = 148 kt, VR = 160 kt, V2 = 166 kt.
Takeoff Configuration : 1 + F
TOWV1 VR V2
TOW(RTOW) 277.7
FCOM correction(s) - 17.5
Intermediate value 260.2 152 161 167
WET Correction - 0.1 -2 0 0
Intermediate value 260.1 150 161 167
QNH Correction - 4.1 -2 -1 -1
Final value 256.0 148 160 166
COMBINING CORRECTIONS FROM FCOM AND CHART
Applicable to: ,
Proceed as follows :
1. Determine the maximum takeoff weight by entering the chart with selected configuration, OAT and
wind.
2. Apply corrections from FCOM to determine an intermediate weight. Interpolate associated speeds
for intermediate weight in the same column (same wind and configuration).
3. Apply corrections from RTOW chart as explained above.
EXAMPLE C
DATA: OAT = 25 °C
Head wind = 10 kt
Air conditioning ON
QNH = 998 hPa
WET runway
1. Use the chart (Refer to PER-TOF-TOC-16-30 CHART LAYOUT).
Enter the 10 kt head wind column, CONF 1+F, to read for 25 °C
Max TO weight (1 000 kg) air conditioning OFF = 220.2 + 1.010 × 2 + 0.160 × 4 = 222.9
Enter the 10 kt head wind column CONF 2, to read for 25 °C
Max TO weight (1 000 kg) air conditioning OFF = 220.5 + 1.040 × 1 + 0.140 × 4 = 222.1
Retain CONF 1+F for takeoff configuration.
2. First, apply the correction (Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS).
Max TO weight (1 000 kg) air conditioning OFF................................................................... 222.9
Air conditioning correction.......................................................................................................- 3.8
Intermediate weight................................................................................................................219.1
Interpolate takeoff speeds for 219.1 (1 000 kg) in the 10 kt head wind column,
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-18-10 P 11/12
FCOM 19 AUG 10
V1 = 151 kt , VR = 152 kt , V2 = 157 kt
3. ApplyWET correction
For􀀃OAT􀀃<􀀃TVMC􀀃(57􀀃°),􀀃ΔW􀀃=.................................................................................................0.0􀀃
Intermediate weight................................................................................................................219.1
Associated speeds,
V1 = 151 kt - 0 = 151 kt
VR = 152 kt - 0 = 152 kt
V2 = 157 kt - 0 = 157 kt
Check that the speeds are higher than minimum speeds from the chart and from VMU table.
Apply QNH correction
For􀀃OAT􀀃<􀀃TVMC􀀃(54􀀃°),􀀃ΔW􀀃=􀀃2.2􀀃×􀀃15/10􀀃=........................................................................-􀀃3.3􀀃
Maximum permissible takeoff weight.....................................................................................215.8
Associated speed,
V1 = 151 kt - 1 × 15/10 = 149 kt
VR = 152 kt - 1 × 15/10 = 151 kt
V2 = 157 kt - 1 × 15/10 = 156 kt
Check that the speeds are higher than minimum speeds from the chart and from VMU table. (It
is reminded that if the speed checks are not fulfilled, the corrections must be recalculated using
those provided on lines 3 and 4).
Since the speed check is fulfilled :
Maximum permissible takeoff weight = 215.8 (1 000 kg)
V1 = 149 kt, VR = 151 kt, V2 = 156 kt.
Takeoff Configuration : 1 + F
TOWV1 VR V2
TOW(RTOW) 222.9
FCOM correction(s) - 3.8
Intermediate value 219.1 151 152 157
WET Correction 0.0 0 0 0
Intermediate value 219.1 151 152 157
QNH Correction - 3.3 -2 -1 -1
Final value 215.8 149 151 156
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (WEIGHT ENTRY)
Intentionally left blank
A330/A340 FLEET PER-TOF-TOC-18-10 P 12/12
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (WEIGHT ENTRY)
A330/A340 FLEET PER-TOF-TOC-18-20 P 1/2
FCOM 19 AUG 10
VMU CHECK
VMU CHECK
Applicable to:
The V2 are given limited by VMU/VMCA values per configuration (Refer to PER-TOF-TOD-25-20
GENERAL). For each pressure altitude and weight combination, two speed values are given. The
　
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