An RAF Voyager – the military variant of the Airbus A330 - took to the skies above RAF Brize Norton in Oxfordshire on November 16, 2022 powered with SAF on both engines.
The flight, using SAF made from cooking oil, was a joint effort between the RAF, Airbus, the UK Ministry of Defence’s Defence Equipment and Support agency, AirTanker Rolls-Royce, with fuel supplied by Air bp.
In a statement, Air Chief Marshal Sir Mike Wigston, Chief of the Air Staff, said: “I have set the RAF the ambitious challenge of becoming the world’s first net-zero Air Force by 2040. The way we power our aircraft will be key to meeting that challenge and the RAF is already thinking about how we will operate beyond fossil fuels. This exciting trial flight of a Voyager from RAF Brize Norton powered entirely by Sustainable Aviation Fuel is an important milestone on that journey.”
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Sustainable aviation fuel – made from waste-based sustainable feedstocks – is claimed to reduce lifecycle carbon emissions by up to 80 per cent compared to the conventional fuel it replaces, lessens the RAF’s reliance on global supply chains and improves operational resilience by reducing the necessity for fuel resupplying.
As different approaches will suit different platforms and environments, a range of alternative fuel options are being looked at to ensure the UK is at the forefront of this developing technology.
Michael Schoellhorn, CEO of Airbus Defence and Space, said: “True to our purpose of 'pioneering aerospace', we have gladly supported the Royal Air Force on this landmark sustainable-fuel test flight. I commend our UK customer for this achievement which helps pave the way for a sustainable reduction of carbon emissions of our military aircraft fleets. Airbus engineers have made a significant contribution to this RAF mission by providing on-the-ground expertise in recent weeks and securing the necessary MoD military flight permits.”The 90-minute return flight from RAF Brize Norton, flown by a combined Airbus, RAF and Rolls-Royce flight-test crew, replicated an air-to-air refuelling sortie and was witnessed by senior RAF and industry representatives. The RAF said it demonstrated the potential for its future operational capability, ensuring the ability to contribute to UK defence wherever and whenever it was required.
Experimental test pilot and Captain of the flight, Jesus Ruiz, said: “From the crew perspective, the SAF operation was ‘transparent’, meaning that no differences were observed operationally. The Test Plan was exhaustive and robust and has allowed us to compare SAF with JET1 culminating in a flight without a single drop of fossil fuel. We feel very proud to be a small part of this huge step for sustainable aviation.”
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