In 2016, French ONERA, German DLR and Dutch TU Delft/NLR were contracted to evaluate 35 radical configurations to replace conventional airliner designs from 2035, meeting Airbus A320 requirements: 150 passengers, a Mach 0.78 cruise and 1,200 nmi (2,200 km) of range. TU Delft and NLR presented their distributed hybrid-electric propulsion (DHEP) study Under Novair project at the January 2019 AIAA SciTech conference, having selected three more likely configurations:[1]