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CORRECTIONS DUE TO DIFFERENT TAKEOFF CONDITIONS
Applicable to: ALL
Retain the maximum takeoff weight, associated configuration and speeds from above.
For conditions different from those of the chart, apply relevant corrections.
CONSERVATIVE CORRECTIONS FOR QNH AND BLEEDS
Applicable to:
Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS
Corrections􀀃are􀀃given􀀃for􀀃QNH􀀃≠􀀃1􀀃013􀀃hPa,􀀃air􀀃conditioning􀀃ON,􀀃anti􀀃ice􀀃ON.􀀃
1. For the given wind and temperature conditions, read the maximum takeoff weight (choose the
configuration giving the highest weight).
2. Apply the published weight correction(s) to the maximum takeoff weight (for each correction) to
determine the maximum permissible takeoff weight.
3. Read the speeds associated with the maximum permissible takeoff weight by entering the chart
with the retained configuration and wind value.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (TEMPERATURE ENTRY)
A330/A340 FLEET PER-TOF-TOC-12-10 P 2/10
FCOM 19 AUG 10
EXAMPLE 1
DATA :: OAT = 25 °C
Head Wind = 10 kt
Air conditioning ON
QNH = 1 013 hPa
Use the chart (Refer to PER-TOF-TOC-10-30 CHART LAYOUT)
Enter the 10 kt head wind column and interpolate for 25 °C, CONF 1+F,
Maximum takeoff weight (1 000 kg) air conditioning OFF.....................................................254.4
Enter the 10 kt head wind column and interpolate for 25 °C, CONF 2,
Maximum takeoff weight (1 000 kg) air conditioning OFF.....................................................258.9
Retain CONF 2 as takeoff configuration.
Maximum TO weight (1 000 kg) air conditioning OFF...........................................................258.9
Air conditioning correction...................................................................................................... -17.5
Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS
Maximum permissible TO weight (1 000 kg) air conditioning ON.......................................= 241.4
Determine takeoff speeds for 241.4 (1 000 kg) in the 10 kt head wind column (CONF2)
V1 = 137 kt, VR = 144 kt, V2 = 151 kt
CONSERVATIVE CORRECTIONS FOR QNH AND BLEEDS
Applicable to: ,
Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS
Corrections􀀃are􀀃given􀀃for􀀃QNH􀀃≠􀀃1􀀃013􀀃hPa,􀀃air􀀃conditioning􀀃ON,􀀃anti􀀃ice􀀃ON.􀀃
1. For the given wind and temperature conditions, read the maximum takeoff weight (choose the
configuration giving the highest weight).
2. Apply the published weight correction(s) to the maximum takeoff weight (for each correction) to
determine the maximum permissible takeoff weight.
3. Read the speeds associated with the maximum permissible takeoff weight by entering the chart
with the retained configuration and wind value.
EXAMPLE 1
DATA :: OAT = 25 °C
Head Wind = 10 kt
Air conditioning ON
QNH = 1 013 hPa
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (TEMPERATURE ENTRY)
A330/A340 FLEET PER-TOF-TOC-12-10 P 3/10
FCOM 19 AUG 10
Use the chart (Refer to PER-TOF-TOC-10-30 CHART LAYOUT)
Enter the 10 kt head wind column and interpolate for 25 °C, CONF 1+F,
Maximum takeoff weight (1 000 kg) air conditioning OFF.....................................................221.7
Enter the 10 kt head wind column and interpolate for 25 °C, CONF 2,
Maximum takeoff weight (1 000 kg) air conditioning OFF.....................................................222.3
Retain CONF 2 as takeoff configuration.
Maximum TO weight (1 000 kg) air conditioning OFF...........................................................222.3
Air conditioning correction........................................................................................................ -3.8
Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS
Maximum permissible TO weight (1 000 kg) air conditioning ON.......................................= 218.5
Determine takeoff speeds for 218.5 (1 000 kg) in the 10 kt head wind column (CONF2)
V1 = 151 kt, VR = 152 kt, V2 = 157 kt
CORRECTIONS FOR WET OR CONTAMINATED RUNWAYS
Applicable to: ALL
Refer to PER-TOF-CTA-10 GENERAL
CORRECTIONS PRODUCED ON THE RTOW CHART
Applicable to:
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
　
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