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M.78), read the corresponding values of fuel consumption and time, for the reference landing
weight and without deviation from ISA.
Fuel : 8 362 kg
Time : 3 h 58 min
‐ Correction for landing weight
Δ􀀃etdk
consumption
: 99 × (57.557 – 50) = 749 kg
Trip reserves
(5 %)
: 0.05 × (8 362 + 749) = 456 kg
6. Taxi fuel = 120 kg (Refer to PER-FPL-GEN-MFR MINIMUM RECOMMENDED FUEL
REQUIREMENTS)
7. Total fuel on board (Block fuel) :
8 362 + 749 + 456 + + 1 510 + 120 = 12 244 kg
EXAMPLE
Applicable to: ,
, MSN
The following is an example of a complete flight plan based on the assumptions :
Zero fuel weight : 65 000 kg = landing ‐ weight at alternate airport
‐ Cruise M .78 at FL 370
‐ Ground distance from departure to destination : 1 800 nm
‐ Average wind during flight : -40 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 Refer to PER-FPL-GEN-FPL FLIGHT PLAN gives an overview of the
calculation to be performed).
1. Alternate fuel and time
‐ Refer to PER-FPL-FLP-ALN-20 ALTERNATE PLANNING ISA ;
Alternate time : 39 min
Alternate fuel : 1 720 + 11 × (65 – 60) = 1 775 kg
2. Holding fuel and time
‐ A 30 min holding is assumed at 1 500 ft. (Refer to PER-HOL-AEO CONF 0 - GD SPEED),
holding fuel = 1 258 kg
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - QUICK DETERMINATION OF FLIGHT PLANNING
A318/A319/A320/A321 FLEET PER-FPL-FLP-QFP-30 P 8/10
FCOM 19 AUG 10
3. At destination, the landing weight = 65 000 + 1 775 + 1 258 = 68 033 kg
4. Evaluation of the air distance between departure and destination.
‐ The “Ground distance/Air distance” conversion table (Refer to PER-OPD-CON-AEO M.78)
shows that the corresponding air distance is : 1 979 nm.
5. Trip fuel and time
‐ Enter air distance and flight level 370 (Refer to PER-FPL-FLP-QFP-40 FLIGHT PLANNING
M.78), read the corresponding values of fuel consumption and time, for the reference landing
weight and without deviation from ISA.
Fuel : 11 650 kg
Time : 4 h 38 min
‐ Correction for landing weight
Δ􀀃etdk
consumption
: 159 × (68.033 – 60) = 1 278 kg
Trip reserves
(5 %)
: 0.05 × (11 650 + 1 278) = 647 kg
6. Taxi fuel = 160 kg (Refer to PER-FPL-GEN-MFR MINIMUM RECOMMENDED FUEL
REQUIREMENTS)
7. Total fuel on board (Block fuel) :
11 650 + 1 278 + 647 + 1 258 + 1 775 + 160 = 16 768 kg
EXAMPLE
Applicable to: MSN
The following is an example of a complete flight plan based on the assumptions :
Zero fuel weight : 65 000 kg = landing ‐ weight at alternate airport
‐ Cruise M .78 at FL 370
‐ Ground distance from departure to destination : 1 800 nm
‐ Average wind during flight : -40 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 Refer to PER-FPL-GEN-FPL FLIGHT PLAN gives an overview of the
calculation to be performed).
1. Alternate fuel and time
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PERFORMANCE
FLIGHT PLANNING
FLIGHT PREPARATION - QUICK DETERMINATION OF FLIGHT PLANNING
A318/A319/A320/A321 FLEET PER-FPL-FLP-QFP-30 P 9/10
FCOM 19 AUG 10
‐ Refer to PER-FPL-FLP-ALN-20 ALTERNATE PLANNING ISA ;
Alternate time : 38 min
Alternate fuel : 1 725 + 9 × (65 – 60) = 1 770 kg
2. Holding fuel and time
‐ A 30 min holding is assumed at 1 500 ft. (Refer to PER-HOL-AEO CONF 0 - GD SPEED),
holding fuel = 1 305 kg
3. At destination, the landing weight = 65 000 + 1 770 + 1 305 = 68 075 kg
4. Evaluation of the air distance between departure and destination.
‐ The “Ground distance/Air distance” conversion table (Refer to PER-OPD-CON-AEO M.78)
shows that the corresponding air distance is : 1 975 nm.
5. Trip fuel and time
‐ Enter air distance and flight level 370 (Refer to PER-FPL-FLP-QFP-40 FLIGHT PLANNING
M.78), read the corresponding values of fuel consumption and time, for the reference landing
weight and without deviation from ISA.
Fuel : 11 299 kg
Time : 4 h 37 min
‐ Correction for landing weight
Δ􀀃etdk
　
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