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corrections from line 2.
Check that the resulting speeds are higher than the minimum speeds displayed on the RTOW
chart and that V2 is higher than the VMU limited speed (Refer to PER-TOF-TOD-25 MINIMUM
V2 LIMITED BY VMU/VMCA (KT IAS)).
If OAT is higher than TVMC (line 3) or if the above speed check is not fulfilled, apply ◂W
correction from line 3 and ◂V1/◂VR/◂V2 corrections from line 4. No speed check is required.
Note: ‐ QNH correction is given for ± 10 hPa. It is allowed to extrapolate linearly for greater QNH
deviation.
‐ When using a takeoff chart with failure cases, it is not allowed to combine two failure
cases.
‐ Corrections from the chart must be applied from top to bottom, i.e. in the RTOW (Refer to
PER-TOF-TOC-16-30 RTOW EXAMPLE), apply the wet correction first.
‐ If asterisk or dotted lines appear in the correction boxes, refer to more conservative
corrections provided in the FCOM.
‐ No speed check is required for the first correction. However, if the first influence
correction follows a conservative FCOM correction, a speed check is required.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (WEIGHT ENTRY)
A318/A319/A320/A321 FLEET PER-TOF-TOC-18-10 P 13/26
FCOM 19 AUG 10
EXAMPLE B
DATA : OAT = 40 °C
Head wind = 10 kt
QNH = 998 hPa
WET runway
Use the chart Refer to PER-TOF-TOC-16-30 RTOW EXAMPLE.
• Enter the 10 kt head wind column CONF 1+F, to read for 40 °C
max TO weight (1 000 kg).......................................................................................................75.2
• Enter the 10 kt head wind column CONF 2, to read for 40 °C
max TO weight (1 000 kg).......................................................................................................74.4
• Retain CONF 1+F for takeoff
• Read associated speeds as V1 = 154 kt, VR = 157 kt, V2 = 160 kt
• Apply WET correction
For OAT < TVMC (58 °C), ◂W =........................................................................................... – 0.3
Intermediate weight (1 000 kg)................................................................................................74.9
Associated speeds,
V1 = 154 kt – 6 = 148 kt
VR = 157 kt – 0 = 157 kt
V2 = 160 kt – 0 = 160 kt
(No speed check required for first correction)
• Apply QNH correction
For OAT < TVMC (54 °C), ◂W = – 0.5 × 15/10 =..................................................................– 0.8
Maximum permissible takeoff weight (1 000 kg)..................................................................... 74.1
Associated speeds,
V1 = 148 kt – 1 × 15/10 = 146 kt
VR = 157 kt – 1 × 15/10 = 156 kt
V2 = 160 kt – 1 × 15/10 = 159 kt
• Check that the speeds are higher than minimum speeds from the chart and from VMU table.
Takeoff Configuration : 1+F
TOW V1 VR V2
TOW (RTOW) 75.2 154 157 160
FCOM correction(s)
Intermediate value 75.2 154 157 160
WET Correction - 0.3 -6 0 0
Intermediate value 74.9 148 157 160
QNH Correction - 0.8 -2 -1 -1
Final value 74.1 146 156 159
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
TAKEOFF
TAKEOFF CHARTS - MTOW CALCULATION (WEIGHT ENTRY)
A318/A319/A320/A321 FLEET PER-TOF-TOC-18-10 P 14/26
FCOM 19 AUG 10
CORRECTIONS PRODUCED ON THE RTOW CHART
Applicable to: MSN,
4473
(Refer to PER-TOF-TOC-16-30 RTOW EXAMPLE).
A description of this correction is given in PER-TOF-TOC-16-20 (Refer to PER-TOF-TOC-16-20
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 corrections, proceed as follows :
1. Determine the maximum takeoff weight before correction for the given OAT and wind condition.
2. Apply the first correction :
If OAT is less than or equal to TVMC (line 3), apply ◂W correction from line 1 and ◂V1/◂VR/◂V2
corrections from line 2.
Else, (for OAT greater than TVMC), apply ◂W correction from line 3 and ◂V1/◂VR/◂V2
corrections from line 4.
3. To combine a second (and third, as applicable) correction :
If OAT is less than or equal to TVMC (line 3), apply ◂W correction from line 1 and ◂V1/◂VR/◂V2
corrections from line 2.
Check that the resulting speeds are higher than the minimum speeds displayed on the RTOW
　
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