Some operators lack enthusiasm for a change to electric power; they foresee problems with the heavy weight of current batteries and the dearth of re-charging facilities, certainly of rapid ones.

Through innovation and strategic partnerships, Evia Aero and Britten-Norman are paving the way for a greener, more efficient future for regional air travel. The German company has put pen to paper for 15 Islander aircraft.

Helsinki's aerodrome is a prototype sustainable digital airport. Its PV plant should be operational within 24 months, with chargers, buffer batteries for storage and electrolysers to refuel hydrogen-electric aircraft.