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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
‐ T/O weight : 200 000 kg
‐ Ground distance to destination : 4 000 nm
‐ Wind : –40 kt (head wind)
‐ Selected initial FL : 330
‐ Long range speed
‐ Temperature : ISA +10
‐ Airport elevation : 1 500 ft
‐ Normal air conditioning
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 GENERAL)
here􀀃:􀀃long􀀃range􀀃speed,􀀃40􀀃kt􀀃head􀀃wind,􀀃4􀀃000􀀃nm􀀃ground􀀃distance􀀃→􀀃air􀀃distance􀀃:􀀃
4 380 nm
CRUISE TABLE FL 330
B : Read from integrated cruise table (long range speed, FL 330) the values for time and
distance for the weight of 200 000 kg (Refer to PER-FPL-FLP-ICR-50 INTEGRATED
CRUISE - LR FL 330)
→􀀃distance􀀃:􀀃6􀀃898􀀃nm􀀃→􀀃time􀀃:􀀃974􀀃min.􀀃
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - CALCULATION TABLES
A330/A340 FLEET PER-FPL-FLP-CAT P 16/22
FCOM 19 AUG 10
C : After 250 nm a step climb to FL 370 is performed.
Calculate the new value of the distance in the integrated cruise table
→􀀃6􀀃898􀀃-􀀃250􀀃=􀀃6􀀃648􀀃nm􀀃
D : Enter integrated cruise table and interpolate the values for the distance of 6 648 nm (start
of first step climb)
→􀀃weight􀀃:􀀃196􀀃900􀀃kg􀀃→􀀃time􀀃:􀀃942􀀃min.􀀃
E : : Calculate the values for the first cruise segment
Fuel : 200 000 – 196 900 = 3 100 kg
Distance : 250 nm
Time : 974 – 942 = 32 min
Remaining distance : 4 380 – 250 = 4 130 nm
CRUISE TABLE FL 370
F : Read from integrated cruise table (long range speed, FL 370) the values for time and
distance for the weight of 196 900 kg (Refer to PER-FPL-FLP-ICR-50 INTEGRATED
CRUISE - LR FL 370)
→􀀃distance􀀃:􀀃6􀀃984􀀃nm􀀃→􀀃time􀀃934􀀃min.􀀃
G : The optimum aircraft weight to proceed to FL 410 is 176 000 kg(Refer to
PER-FPL-FLP-ALT-10 CRUISE LEVEL CHARTS). Read from integrated cruise table the
values for time and distance for the weight of 176 000 kg
→􀀃distance􀀃:􀀃5􀀃154􀀃nm􀀃→􀀃time􀀃:􀀃699􀀃min.􀀃
H : : Calculate the values for the second cruise segment
Fuel : 196 900 – 176 000 = 20 900 kg
Distance : 6 984 – 5 154 = 1 830 nm
Time : 934 – 699 = 235 min
Remaining distance : 4 130 – 1 830 = 2 300 nm
CRUISE TABLE FL 410
I : Proceed to final table ; enter distance and time values corresponding to an aircraft
weight of 176 000 kg at FL 410 and long range speed. (Refer to PER-FPL-FLP-ICR-50
INTEGRATED CRUISE - LR FL 410)
→􀀃distance􀀃:􀀃5􀀃330􀀃nm􀀃→􀀃time􀀃:􀀃690􀀃min􀀃
J : Subtract remaining distance : 5 330 – 2 300 = 3 030 nm
K : Interpolate in integrated cruise table weight and time values corresponding to a distance of
3 030 nm (Refer to PER-FPL-FLP-ICR-50 INTEGRATED CRUISE - LR FL 410)
→􀀃weight􀀃:􀀃152􀀃750􀀃kg􀀃→􀀃time􀀃:􀀃395􀀃min􀀃
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - CALCULATION TABLES
A330/A340 FLEET PER-FPL-FLP-CAT P 17/22
FCOM 19 AUG 10
L : : Calculate values for last cruise segment :
Fuel : 176 000 – 152 750 = 23 250 kg
Distance : 5 330 – 3 030 = 2 300 nm
Time : 690 – 395 = 295 min
Cross-check that remaining air distance equals zero
M : Fill in the final table with weight overhead departure (200 000 kg) and overhead destination
(152 750 kg).
N : : Calculate total values
Fuel : 200 000 – 152 750 = 47 250 kg
Time : 32 + 235 + 295 = 562 min = 9 h 22 min
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
　
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