Airbus Begins Test Campaign of A400M Aircraft with Sustainable Aviation Fuel (SAF)

The A400M programme team with the Military Air Systems unit of the Defence and Space division has kicked off its test flight campaign with Sustainable Aviation Fuel (SAF) this summer.

A400M Strategic Transport Aircraft Delivery from Airbus

A first test flight using a load of 29% SAF in one of its engines proved successful; also in military aviation Airbus moves forward on its commitment to get cleaner skies. A mixture of nerves and excitement was felt among the team members on the tarmac of Airbus´ San Pablo plant, in Seville, on an extremely hot day in July. Indeed, there was plenty to be excited about, as it was a day of `firsts´: the first test flight with SAF was finally happening with an Airbus A400M.

Airbus A400M first test flight with SAF: One step forward to a more sustainable military aviation | Airbus

The MSN4 or ´Grizzly 4´, as it is known among the team, entered the runway with one of its engines, specifically engine number 2, with a blended load of 29% SAF. “For this first flight, we are using a type of SAF called HEFA (Hydroprocessed Esters and Fatty Acids) which is made of residuals of oils, vegetables and fats, and also free of aromatics and Sulphur, so it is very efficient and good for the engines”, explained Ana Belén Blanco, Technical Leader for SAF in A400M. “It is a drop-in fuel, so there is no need to modify the engines´ systems and there are no technical limitations”, she said. For this first test flight, the use of SAF was limited to one engine to better analyze the fuel system´s behavior feeding a single engine.

Primeiro voo de teste do Airbus A400M com SAF, um passo à frente para uma aviação militar mais sustentávelAirbus Begins Test Campaign of A400M Aircraft with Sustainable Aviation Fuel (SAF)

“This flight is a significant step forward, and relying on the expertise of our parent companies, we are confident that TP400-D6 robust design will enable us to reach the highest SAF standards”, said Stephan Schlisske, Head of Design Organisation of Europrop International.

“During the flight, we performed a close comparison between engine number 2, the one using SAF, and the other 3 engines using standard fuel Jet A1, so we had a very good opportunity to compare the performance of the different fuels. The results we got confirmed that using this blended SAF does not affect engines or aircraft performance, so the A400M can receive the whole potential of it in terms of environmental benefit”, said César González, Flight Test Engineer at Airbus Defence and Space.

Dormeca Aero - Usinage de pièces pour l'industrie aéronautique et spatiale

The flight, which took off from the San Pablo plant runway in Seville, headed towards the North of Huelva and then landed back safely in Seville, making a trip of more than an hour in total. The satisfaction of the crew was already evident on their faces while they disembarked the aircraft, ready to share the outcome. SAF is a proven alternative fuel that can reduce life cycle CO2 emissions by up to 85% compared to conventional fuel. This first flight of an A400M using SAF demonstrated that both the aircraft and its TP400-D6 engines, not tested before with SAF, are aligned with these new fuel requirements with a blend of 50% certified SAF for a more sustainable military aviation.

The A400M Airlifter Nails First Flight Partially Powered by Sustainable Fuel - autoevolutionAirbus Begins Test Campaign of A400M Aircraft with Sustainable Aviation Fuel (SAF)

SAF is a proven alternative fuel that can reduce life cycle CO2 emissions by up to 85% compared to conventional fuel. This first flight of an A400M using SAF demonstrated that both the aircraft and its TP400-D6 engines, not tested before with SAF, are aligned with these new fuel requirements with a blend of 50% certified SAF for a more sustainable military aviation. Airbus and EuroProp International, which is responsible for TP400-D6 turboprop’s engine design, development, manufacturing and support, have agreed to establish the roadmap towards 100% SAF certification together, making this first flight a step forward towards this goal.

For such an important mission, one of the most experienced Airbus “warriors” was needed. The “Grizzly 4”, on duty since 20th December 2010, was the one selected among the “troops” to perform this first test flight with SAF among Military Air Systems at Airbus. And so the MSN4 finds itself guiding its successors into the future: the decarbonization of military aviation. MSN4 has been used for all kinds of tests through the years. Among others, it was determinant for the development and certification of AAR capabilities as a tanker and receiver and also for cargo and parachute drops. This first flight with SAF is number F994 in the MSN4´s impeccable service record, so it is only six more flights away from a well-deserved “retirement” after nearly 2,000 flight hours.

aviacion21 (@aviacion21) / TwitterAirbus Begins Test Campaign of A400M Aircraft with Sustainable Aviation Fuel (SAF)

Source: militaryleak.com

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