The test results demonstrate the potential of 100 per cent neat SAF for improving local air quality near airports as well as the possible benefits of reducing the formation of condensation trails.

The engine will be put through its paces over coming months in a flight test programme that includes engine performance and handling checks, inflight relights, tests of the nacelle’s anti-icing system and fan vibration.

By the end of 2023 Rolls-Royce will have proved that all its in-production Pearl business aviation engines are compatible with 100 per cent SAF.