Safran’s first helicopter engine runs using 100% sustainable fuel

©Safran

Safran Helicopter Engines has performed a world first at its Bordes facility (Pyrénées-Atlantiques, France); a helicopter engine run on 100 percent sustainable aviation fuel (SAF). During the test, a Makila 2 ran on a biofuel produced by TotalEnergies from residues and waste from the circular economy, specifically used cooking oil.

A test campaign will now evaluate the operational impact of using only SAF on a helicopter engine. To do this, the engine manufacturer will utilize a Safran Tech special facility known as “Bearcat” (Banc d’Essai Avancé pour la Recherche en Combustion et Aérothermique des Turbomachines), an advanced test bench for turbomachinery combustion and aerothermal.

Franck Saudo, CEO of Safran Helicopter Engines says, “after the first flight of a rescue helicopter using 40% SAF in June, and the fuel’s gradual introduction for engine tests at our sites, we are now taking a new step toward using fuel made entirely from renewable sources. These tests are a key step in the realization of future test flights with our helicopter partners. By expanding the use of sustainable fuels among helicopter operators and at our sites, we will significantly reduce CO2 emissions over the entire life cycle of our products”.

Safran engines are already certified to operate with up to 50% SAF. With 100% incorporation, the lower carbon footprint of these fuels will reduce CO2 emissions by up to 80%.

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