Teofilo Leite introduced his Crossover, a touring motorglider powered by two Emrax motors, several years ago. This video from six years ago shows how it was configured then. Crossover has gone through several changes in its mode of propulsion since then and has become the svelte form that expresses a need to fly. In its original configuration, Crossover’s flaps, landing gear and motors extended and retracted, a neat bit of packaging in the slender fuselage. The airplane went through several changes, including one variant, shown at Aero 2014, that had a Rotax engine driving a long carbon-fiber shaft that drove a series of belts to a tail-mounted propeller. On the other side, a hybrid version with Rotax engine driving a generator charged the electric motor on the tail. It was a stunning display. Under its beautiful canopy, which opens via Bluetooth command, the low-slung seating is accessible even from a wheelchair. Carbon molded bucket seats “are shaped for long journeys …