The Cessna 337-based Cassio 1 testbed during its maiden flight on October 11, 2020 after installation of the new hybrid-electric powertrain designed for the ten-seat Cassio 600

A photo of the Cassio 1's first flight from the aircraft's tail with its Safran electric engines visible.

An impression of the production configuration for VoltAero's Cassio family aircraft, which was unveiled on May 7 this year.