First A319neo flight with 100% SAF

Airbus, Dassault Aviation, ONERA, the French Ministry of Transport and Safran have launched the first in-flight study of a single-aisle aircraft running on unblended sustainable aviation fuel (SAF).
During the flight test over the Toulouse region on 28 October, one CFM LEAP-1A engine of an Airbus A319neo test aircraft operated on 100% SAF.
Initial results from the ground and flight tests are expected in 2022.
The unblended SAF was provided by Total Energies.
It was made from Hydroprocessed Esters and Fatty Acids (HEFA), which primarily consists of used cooking oil, as well as other waste fats.
HEFA is made of paraffinic hydrocarbons and is free of aromatics and sulphur. Approximately 57 tonnes of SAF will be used for the entire test campaign. It was produced in Normandy close to Le Havre, France.
The 100% SAF will also be utilised for compatibility and engine operability studies on the Safran Helicopters Arrano engine used on the Airbus Helicopters H160, which are expected to start in 2022.
Airbus, in collaboration with DLR, is responsible for characterising and analysing the impact of 100% SAF on ground and in-flight emissions.
Safran focuses on compatibility studies related to the fuel system and engine adaptation for commercial and helicopter aircraft and their optimisation for various types of 100% SAF fuels.
Safran will perform LEAP engine ground tests with 100% SAF at its Villaroche facilities later this year to complete the analysis.
ONERA is supporting Airbus and Safran in analysing the compatibility of the fuel with aircraft systems and will be in charge of preparing, analysing and interpreting test results for the impact of 100% SAF on emissions and contrail formation.
Dassault Aviation is contributing to the material and equipment compatibility studies and verifying 100% SAF biocontamination susceptibility.

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