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flight has to be selected in the table.
3. For each degree Celsius above ISA temperature apply fuel correction 0.015 (kg/°C/NM)
× ▵ISA(°C) × air distance (NM).
INTRODUCTION
Applicable to: ,
The following flight planning tables allow the planner to determine trip fuel consumption and trip time
required to cover a given air distance.
These tables are established for :
‐ Takeoff
‐ Climb profile : 250 kt/300 kt/M .80
‐ Cruise Mach number : M .80/M .82/.M 84/LR
‐ Descent profile : Cruise Mach number/300 kt/250 kt
‐ Approach and landing : 240 kg - 6 min IFR
‐ ISA
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - QUICK DETERMINATION OF FLIGHT PLANNING
A330/A340 FLEET PER-FPL-FLP-QFP-10 P 2/2
FCOM 19 AUG 10
‐ CG = 37 %
‐ Normal air conditioning
‐ Anti ice OFF
Note: 1. In the tables, the asterisk (*) means that a step climb of 4 000 ft must be flown to reach
the corresponding FL.
2. To obtain a flight plan at optimum cruise level, the highest flight level desired within the
flight has to be selected in the table.
3. For each degree Celsius above ISA temperature apply fuel correction 0.010 (kg/°C/NM)
× ▵ISA(°C) × air distance (NM).
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - QUICK DETERMINATION OF FLIGHT PLANNING
A330/A340 FLEET PER-FPL-FLP-QFP-20 P 1/2
FCOM 19 AUG 10
CORRECTION FOR DEVIATION FROM REFERENCE LANDING WEIGHT
CORRECTION FOR DEVIATION FROM REFERENCE LANDING WEIGHT
Applicable to: ALL
The fuel consumption must be corrected when the actual landing weight is different from the
reference landing weight.
If it is lower (or greater) than the reference landing weight, subtract (or add) the value given in the
correction part of the table per 1 000 kg below (or above) the reference landing weight.
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - QUICK DETERMINATION OF FLIGHT PLANNING
Intentionally left blank
A330/A340 FLEET PER-FPL-FLP-QFP-20 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - QUICK DETERMINATION OF FLIGHT PLANNING
A330/A340 FLEET PER-FPL-FLP-QFP-30 P 1/4
FCOM 19 AUG 10
EXAMPLE
EXAMPLE
Applicable to:
The following is an example of a complete flight plan based on the assumptions :
Zero fuel weight (OWE + PAYLOAD) : 165 000 kg ‐ = landing weight at alternate airport.
‐ Cruise M .80 at FL 390
‐ Ground distance from departure to destination : 2 600 nm
‐ Average wind during flight : -50 kt (headwind)
‐ ISA conditions
‐ “En route” reserve : 5 %
‐ Ground distance from destination to alternate : 200 nm, no wind at FL 200
To calculate the flight plan, a reverse calculation is needed, i.e. start with the landing weight
at alternate (the schematic gives an overview of the calculation to be performed Refer to
PER-FPL-GEN-FPL FLIGHT PLAN).
1. Alternate fuel and time
‐ Refer to PER-FPL-GEN-MFR MINIMUM RECOMMENDED FUEL REQUIREMENTS ;
Alternate time = 40 min
Alternate fuel : 4136 + 9 × (165 - 150) = 4 271 kg
2. Holding fuel and time
‐ A 30 min holding is assumed at 1 500 ft.
Holding fuel = 2 800 kg Refer to PER-FPL-GEN-MFR MINIMUM RECOMMENDED FUEL
REQUIREMENTS
3. At destination, the landing weight = 165 000 + 4 271 + 2 800 = 172 071 kg
4. Evaluation of the air distance between departure and destination.
‐ The “Ground distance/Air distance” conversion tables), shows that the corresponding air
distance is : 2 847 nm (Refer to PER-OPD-CON-AEO M.80).
5. Trip fuel and time
‐ Enter air distance and FL 390, interpolate to find the corresponding values of fuel consumption
and time, for the reference landing weight and without deviation from ISA (Refer to
PER-FPL-FLP-QFP-40 FLIGHT PLANNING M.80).
Fuel = 33 190 kg
Time = 6 h 26 min
‐ Correction for landing weight
▹􀀃fuel􀀃consumption􀀃=􀀃167􀀃×􀀃(172.071􀀃-􀀃150)􀀃=􀀃3􀀃686􀀃kg􀀃
‐ Trip reserves (5 %) = 0.05 × (33 190 + 3 686) = 1 844 kg
A330/A340 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - QUICK DETERMINATION OF FLIGHT PLANNING
A330/A340 FLEET PER-FPL-FLP-QFP-30 P 2/4
FCOM 19 AUG 10
6. Taxi fuel = 300 kg (Refer to PER-FPL-GEN-MFR MINIMUM RECOMMENDED FUEL
REQUIREMENTS)
　
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