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Use the chart (Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS).
Enter the 10 kt head wind column CONF 1+F, to read for 25 °C.
The lowest temperature of the column is 45 °C, use Grad 1/Grad 2 to extrapolate the maximum
takeoff weight.
Max TO weight (1 000 kg) air conditioning OFF = 80.6 + 0.46 × 1 + 0.06 × 19 = 82.2.
Enter the 10 kt head wind column CONF 2, to read for 25 °C.
The lowest temperature of the column is 46 °C, use Grad 1/Grad 2 to extrapolate the maximum
takeoff weight.
Max TO weight (1 000 kg) air conditioning OFF = 80.3 + 0.47 × 2 + 0.05 × 19 = 82.2.
Retain CONF 1+F as takeoff configuration.
Maximum TO weight (1 000 kg) air conditioning OFF................................................................ 82.2
Air conditioning correction............................................................................................................ -1.8
(Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS)
Maximum permissible TO weight (1 000 kg) air conditioning ON............................................... 80.4
Determine takeoff speeds for 80.4 (1 000 kg) in the 10 kt head wind column (CONF 1+F)
V1 = 155 kt, VR = 156 kt, V2 = 158 kt
CONSERVATIVE CORRECTIONS FOR QNH AND BLEEDS
Applicable to:
Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS
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 9/26
FCOM 19 AUG 10
Corrections are given for QNH ≠0/02gO+hqbnmchshnmhmfNM+mshhbdNM
1. For the given wind and temperature conditions, determine 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 weight value.
EXAMPLE A
DATA : OAT = 25 °C
Head Wind = 10 kt
Air conditioning ON
QNH = 1 013 hPa
Use the chart (Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS).
Enter the 10 kt head wind column CONF 1+F, to read for 25 °C.
The lowest temperature of the column is 45 °C, use Grad 1/Grad 2 to extrapolate the maximum
takeoff weight.
Max TO weight (1 000 kg) air conditioning OFF = 80.6 + 0.46 × 1 + 0.06 × 19 = 82.2.
Enter the 10 kt head wind column CONF 2, to read for 25 °C.
The lowest temperature of the column is 46 °C, use Grad 1/Grad 2 to extrapolate the maximum
takeoff weight.
Max TO weight (1 000 kg) air conditioning OFF = 80.3 + 0.47 × 2 + 0.05 × 19 = 82.2.
Retain CONF 1+F as takeoff configuration.
Maximum TO weight (1 000 kg) air conditioning OFF................................................................ 82.2
Air conditioning correction............................................................................................................ -2.2
(Refer to PER-TOF-TOD-24 EFFECT OF QNH AND BLEEDS)
Maximum permissible TO weight (1 000 kg) air conditioning ON............................................... 80.0
Determine takeoff speeds for 80.0 (1 000 kg) in the 10 kt head wind column (CONF 1+F)
V1 = 155 kt, VR = 156 kt, V2 = 158 kt
CORRECTIONS FOR WET OR CONTAMINATED RUNWAYS
Applicable to: ALL
(Refer to PER-TOF-CTA-10 GENERAL)
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 10/26
FCOM 19 AUG 10
CORRECTIONS PRODUCED ON THE RTOW CHART
Applicable to: ,
, MSN,,
(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.
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 7(58)
