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RAF’s first UK flight using 100% sustainable fuel a ‘breakthrough moment’

An RAF Voyager takes off as the first flight in the UK using 100% sustainable aviation fuel (Andrew Matthews/PA)
An RAF Voyager takes off as the first flight in the UK using 100% sustainable aviation fuel (Andrew Matthews/PA)

The Royal Air Force (RAF) has successfully trialled the UK’s first flight using 100% sustainable fuel in a “breakthrough moment” for aviation.

The RAF Voyager – the military equivalent of an Airbus A330 – took to the skies over Oxfordshire on Wednesday using waste-based fuels including used cooking oil.

Sustainable aviation fuels, known as SAFs, have the potential to reduce carbon emissions by up to 80%, according to the RAF.

It is hoped their use will propel the RAF closer to its net-zero target by 2040, while reducing its reliance on global supply chains.

As well as being a UK first, Wednesday’s flight was also the first in the world to use fully sustainable fuel for a military aircraft of its size.

Defence minister Baroness Goldie described it as “a breakthrough moment” for the RAF.

She said: “The Royal Air Force has flown the UK’s first military air transport flight using 100% sustainable aviation fuel on one of their operational Voyager aircraft.

“They should be rightly proud of this achievement – it is a breakthrough moment for the RAF and an exciting development for the Ministry of Defence (MoD).

RAF Voyager plane
Wednesday’s flight was also the first in the world to use fully sustainable fuel for a military aircraft of its size (Andrew Matthews/PA)

“Through the RAF’s pioneering spirit, expertise and partnership with UK industry, British science and engineering is leading the way in improving operational resilience and developing future operating capability in a climate-changed world.”

The flight was led by Airbus defence and space project pilot Jesus Ruiz and chief test pilot for Rolls-Royce Andy Roberts. It was a joint endeavour between the RAF, MoD and industry partners Airbus, AirTanker and Rolls-Royce, with the fuel supplied by Air bp.

Flight lieutenant Nick Dehnel, from the RAF, worked with Carlos M San Millan and Pedro Martin, both from Airbus, to engineer the feat.

It followed the world’s first successful flight of a small aircraft powered by synthetic fuel, which completed a 10-minute journey last November.

Air Chief Marshal Sir Mike Wigston chats with ground crew
Chief of the Air Staff, Air Chief Marshal Sir Mike Wigston (left) chats with ground crew (Andrew Matthews/PA)

Synthetic fuel is made from water and carbon dioxide, which is put under pressure and has an electric current run through it.

Air Chief Marshal Sir Mike Wigston described this flight as another “important milestone” en route to becoming the world’s first net-zero air force by 2040.

Aviation minister at the Department for Transport (DfT), Baroness Vere, said the success of the test flights were a “win for the planet and a testament to British ingenuity”.

She added that the DfT had launched a £165 million fund aimed at boosting the sustainable fuel industry on its journey towards the first net-zero transatlantic flight next year.