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18 - OPERATING WEIGHT EMPTY - 4 0 • 1
19 = Max Allowable Payload = 1 5 • 7
BLOCK FUEL CALCULATION
20 Required Fuel (1) - (3) ◂ 1 6 • 3
21 + Taxi + 0 • 1
22 = Block Fuel = 1 6 • 2
FLIGHT TIME CALCULATION (H. MIN)
23 Time from integrated Cruise Tables ◂ 5 • 0 0
24 + CLIMB Correction + 0 • 0 5
25 + DESCENT Correction (including 6 min IFR) + 0 • 1 0
26 = Flight Time = 5 • 1 5
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - CALCULATION TABLES
A318/A319/A320/A321 FLEET PER-FPL-FLP-CAT P 27/42
FCOM 19 AUG 10
Note: Line 3 : temperature correction :
0.015 (kg/°C/NM) × ◂ISA (°C) × air distance (NM)
Line 6 : TO altitude correction :
0.5 (kg/1 000 kg/1 000 ft) × TOW (1 000 kg) × airport elevation (1 000 ft).
Line 10 : Check that landing weight at destination is lower than maximum landing
weight.
Line 17 : Check that the zero fuel weight is lower than maximum zero fuel weight.
Line 22 : Check that the block fuel value is lower than maximum tank capacity.
EXAMPLE
Applicable to:
DATA
‐ TO weight : 72 000 kg
‐ Ground distance to destination : 2 000 nm
‐ Wind : –50 kt (head wind)
‐ Selected initial FL : 350
‐ Mach number : M .78
‐ Temperature : ISA +10
DETERMINATION OF CRUISE FUEL AND TIME
A : Enter the chosen flight Mach number, flight level, ground distance to be covered and
forecast windspeed in the calculation table (See CALCULATION TABLE).
Calculate the air distance (Refer to PER-OPD-CON-AEO M.78)
here : M .78, 50 kt head wind, 2 000 nm ground distance
→􀀃􀁄hq􀀃chrs􀁄mbd􀀃9􀀃1􀀃137􀀃ml
CRUISE TABLE FL350
B : Read from integrated cruise table (M .78, FL 350) the values for time and distance for
a weight of 72 000 kg (Refer to PER-FPL-FLP-ICR-20 INTEGRATED CRUISE - M.78
FL350) :
→􀀃chrs􀁄mbd􀀃9􀀃4􀀃488􀀃ml􀀃→􀀃shld􀀃9􀀃636􀀃lhm
C : Read from Refer to PER-FPL-FLP-ALT-10 CRUISE LEVEL CHARTS the value for the
optimum aircraft weight to probddc􀀃sn􀀃E􀀯􀀃28/􀀃→􀀃51􀀃///􀀃􀁎f
D : Enter integrated cruise table (M .78, FL 350) and read the values for a weight of
62 000 kg (begin of first step climb)
→􀀃chrs􀁄mbd􀀃9􀀃2􀀃648􀀃ml􀀃→􀀃shld􀀃9􀀃4/1􀀃lhm
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - CALCULATION TABLES
A318/A319/A320/A321 FLEET PER-FPL-FLP-CAT P 28/42
FCOM 19 AUG 10
E : Calculate the values for the first cruise segment :
Fuel : 72 000 – 62 000 = 10 000 kg
Distance : 5 599 – 3 759 = 1 840 nm
Time : 747 – 502 = 245 min
Remaining distance : 2 248 – 1 840 = 408 nm
CRUISE TABLE FL390
F : Read from integrated cruise table (M .78, FL 390) the values for time and distance for
the weight of 62 000 kg (Refer to PER-FPL-FLP-ICR-20 INTEGRATED CRUISE - M.78
FL390)
→􀀃chrs􀁄mbd􀀃9􀀃3􀀃/4/􀀃ml􀀃→􀀃shld􀀃9􀀃432􀀃lhm
G : Subtract remaining distance : 4 050 – 408 = 3 642 nm
H : Interpolate in integrated cruise table (M .78, FL 390) the weight and time values
corresponding to the distance of 3 642 nm
→􀀃vdhfgs􀀃9􀀃5/􀀃///􀀃􀁎f􀀃→􀀃shld􀀃9􀀃379 min
I : Calculate values for the second cruise segment :
Fuel : 62 000 – 60 000 = 2 000 kg
Distance : 4 050 – 3 642 = 408 nm
Time : 543-489 = 54 min
Crosscheck that remaining air distance equals zero.
J : Fill in the final table with weight overhead departure (72 000 kg) and weight overhead
destination (60 000 kg).
K : Calculate total values :
Fuel : 72 000 – 60 000 = 12 000 kg
Time : 245 + 54 = 299 min = 4 h 59 min
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - CALCULATION TABLES
A318/A319/A320/A321 FLEET PER-FPL-FLP-CAT P 29/42
FCOM 19 AUG 10
DATA
‐ TO weight : 72 000 kg
‐ Ground distance to destination : 2 000 nm
‐ Wind : –50 kt (headwind)
‐ Selected first flight level : FL 350
‐ M .78
‐ Temperature : ISA +10 along the whole flight profile
　
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