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09 March 2012
09. March 2012 Commercial Aircraft

Fuel savings measures are validated in three projects with Airbus involvement


Three Airbus-supported projects in the Atlantic Interoperability Initiative to Reduce Emissions (AIRE) have demonstrated how improved ground operations and air traffic management procedures can contribute to reductions in fuel consumption for the air transport industry.

One element in this second wave of European AIRE flight trials were the Transatlantic Green Flights, using Air France’s A380 in service between New York and Paris.  The focus was on performing two-engine taxi-out procedures for the ground movement phase, and optimising the transatlantic trajectory for the en-route flight phase.
Airbus led the A380 Transatlantic Green Flights activity, working in partnership with Air France and the air navigation service providers from the UK, Canada and the United States.  A total of 17 successful trials were achieved, and the predicted combined fuel gain potential of almost one tonne per transatlantic crossing was confirmed.
Another project was Green Shuttle, performed under the French air navigation service provider’s leadership, with Air France and Airbus as partners.  By optimising the lateral and vertical trajectories during all phases of regularly-scheduled shuttle services between Paris’ Orly Airport and Toulouse in southwestern France, it demonstrated improved fuel efficiency through 60 revenue flights. 
The Green Shuttle operations were made possible through better coordination among the five involved French air traffic control centres, with 70 kg. of fuel saved per flight from Orly to Toulouse, and 200 kg. per flight in the opposite direction.  In its contribution, Airbus performed flyability analyses for the Continuous Descent Approach (CDA) into Toulouse and provided recommendations for the optimisation of this procedure.
The third element – called the VINGA project – involved the validation of Required Navigation Performance (RNP) arrival procedures with the A320.  The Airbus Quovadis subsidiary – which offers services for the implementation of RNP procedures – contributed to the VINGA project, under leadership of the Swedish air navigation service provider, with Novair and Gothenborg Airport as additional partners.  VINGA optimised all phases of flight, with an emphasis on the implementation of new RNP arrival procedures.  A fuel gain of 22-90 kg. per segment was measured in the latter phase of over 100 trial flights.
Results of the VINGA project, along with the Transatlantic Green Flights and Green Shuttle, were presented at this month’s Air Traffic Control Global 2012 Conference and Exhibition in Amsterdam.

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