The start - up Alaka’i Technologies is preparing for the maiden flight of its prototype fuel - cell air taxi , which has been developed in partnership with BMW Designworks . The Skai can thus achieve the speed, range and payload that Alaka’i considers relevant for competition – with a significantly lower total weight. The five - seat Skai can hold between 200 and 400 kg of hydrogen , offering up to four hours of flight time , a maximum range of 640 km and an average speed of 137 kph . Alaka’i Technologies was co - founded by former NASA , Airbus and Boeing employees , among others .
The start - up Alaka’i Technologies is preparing for the maiden flight of its prototype fuel - cell air taxi , which has been developed in partnership with BMW Designworks . The five - seat Skai can hold between 200 and 400 kg of hydrogen , offering up to four hours of flight time , a maximum range of 640 km and an average speed of 137 kph . Alaka’i Technologies was co - founded by former NASA , Airbus and Boeing employees , among others .