Hybrid electric family of aircraft for 4-12 passengers utilising a "push-pull" propulsion configuration. Includes the 4-seat Cassio 330 (330 kilowatts), 6-seat Cassio 480 (480 kilowatts) and the 10-seat Cassio 600 (600 kilowatts) variants (also known as the Cassio 2, in development).