| Induced drag at takeoff, climb and cruise:
 Takeoff: 70-80%
 Initial climb: 30 to 40%
 Cruise: 30 to 40%
 Reminder price and weight / density Jet A1:Density of Jet A1 : 0.80 kg per liter or 1250 liter / tonne
 Wholesale price tonnage: 1.12 F 1400 F per liter or per tonne
 Sources figures in 1997 ICAO, IATA, AIRBUS INDUSTRIE:Departures transport aircraft (passengers, freight, mail):
 25 million
 Departures transport charter aircraft :
 5 milllion
 Consumption of a A340 - 300 AIRBUS of 271 T takeoff. In initial climb 
        and in cruise:Takeoff, rotation up to 1500 feets: 2.2 T
 Initial climb of 1500 to 31,000 feets: 5.8 T
 Cruise: 1 T per 70 Nm
 This represents approximately 108 tons of kerosene for a journey of 7,000 
        Nm |