The Celera 500L, an unusual blimp-like aircraft by Otto Aviation, has debuted with ambitious claims for high speed (400 knots), altitude (65,000 ft), range, and exceptional fuel efficiency (25 mpg), ...

Is it an egg, a blimp or a bullet? Whatever you might want to call the shape of the Otto Celera 500L, it’s one that catches the eye. It looks like no other plane out there, and for a good reason: ...

The latest series of flights focused on confirming the extent of laminar flow over the Celera’s wing and fuselage. Credit: Otto Aircraft Otto Aviation has completed the first phase of testing of its ...

The subject of mystery and speculation since the first unofficial pictures appeared, an unusual business aircraft has finally emerged into public view with the formal introduction of the Otto Aviation ...

Sure, a sleek business jet might be more alluring, but the numbers for the zeppelin-like Celera 500L from Otto Aviation are more compelling. The six-seat business aircraft promises 18 to 25 mpg fuel ...

Otto Aviation announced that its bullet-shaped aircraft, the Celera 500L, has successfully completed 55 test flights and around 51 hours of flight time. All test flights validated the airplane's ...

Otto Aviation has confirmed plans for a 19-seat, hydrogen-powered version of its Celera aircraft that could be operated on flights of up to 1,000 nm. Otto Aviation has confirmed plans for a 19-seat, ...