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Fuel saving for a small Airbus Fleet
(model calculation)

Calculations below are basing on an average taxi time of 13 minutes before departure. The value is 4 minutes less, then the average taxi time published by the Department of Transportation (DOT), in order to consider the spool-up times of the engines.

Type of Aircraft Number of Aircrafts Type of Engine * Idle Fuel Flow Starts/Landings per Day Total Fuel per Aircraft Type and Day
A340-300 1 CFM56-5C4/P 0,1150 kg/sec. 1 358 kg
A330-300 4 Trent 772B EP 0,2700 kg/sec. 1 1684 kg
A330-200 20 PW4168A 0,2210 kg/sec. 1 6895 kg
A321-111 4 CFM56-5B1-2 0,1290 kg/sec. 2 1609 kg
A320-214 19 CFM56-5B4-2 0,1210 kg/sec. 3 10759 kg
A319-112 7 CFM56-5B5-2 0,0940 kg/sec. 3 3079 kg
Avro RJ 100 23 LF507-1F 0,0453 kg/sec. 3 9752 kg

*   ICAO Engine Emission Databank

Assuming an operating time of 340 days per year, it follows a possible fuel saving of approx.
11.600.000 kg/Year
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Large Fleet:
Medium Size Fleet: