Leonardo and Pratt & Whitney Canada today announced the successful completion of the first flight for a AW139 intermediate twin helicopter, powered by PT6C-67C engines, using 100% Sustainable Aviation Fuel (SAF). Accomplished at Leonardo’s facility in Cascina Costa di Samarate (Italy) on 21 November, the 75-minute flight and ground tests evaluated engine performance with multiple power variation and other systems. The test showed an outstanding response to the new fuel with no significant differences compared to the use of Jet A1 fuel. This goal marks a historic first for both Leonardo’s helicopters and the Pratt & Whitney Canada PT6 engine family. Earlier this year in-service AW139 helicopters carried out flights with SAF, blended with traditional jet fuel under the current certification standards, in Japan, Malaysia, and most recently UAE. All main civil-certified types within the Leonardo’s helicopter product range are certified for operations using SAF with a blended ratio of up to 50%.