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VoltAero and Sonaca enter Cassio teaming arrangement
Sonaca Group will transition Cassio from its current design status into a production-ready machine, and will oversee the aircraft's manufacture by an aerostructures producer to be announced at a future date.
The innovative design of the Cassio series.
Read this story in our November 2020 printed issue.

The airframe for VoltAero's Cassio hybrid-electric aircraft will be developed by Sonaca Group, applying the Belgium-headquartered company's expertise in optimised aerostructures to the VoltAero family of four, six and 10-seat aircraft.

Under the terms of this agreement, Sonaca Group will transition Cassio from its current design status into a production-ready machine, and will oversee the aircraft's manufacture by an aerostructures producer to be announced at a future date.

“Our partnership with Sonaca Group takes us one very important step closer to production,” enthuses Jean Botti, VoltAero's CEO and chief technical officer. “It continues our excellent progress in evolving a family of hybrid-electric airplanes, building on the flight evaluations now underway with VoltAero's hybrid-electric power module aboard our Cassio 1 testbed aircraft.”

VoltAero's proprietary design for Cassio is based on a sleek, aerodynamically-optimised fuselage with a forward fixed canard and an aft-set wing with twin booms that support a high-set horizontal tail. Propulsion will be provided by a hybrid-electric power module in the aft fuselage pusher position, which integrates a cluster of electric motors with a high-performance internal combustion engine that serves as the range extender.

Sonaca chief technology officer Hugues Langer adds: “Through our teaming arrangement, VoltAero will benefit from Sonaca's capabilities as one of the world's top 10 aerostructures companies, bringing our experience to transition Cassio from design into a production-ready aircraft.”

VoltAero's Cassio aircraft are offered in three versions, each sharing a high degree of modularity and commonality: the Cassio 330, a four-seat configuration with propulsion from a combined hybrid-electric power of 330 kilowatts; Cassio 480, configured with six seats and a hybrid-electric propulsion power of 480 kilowatts; and Cassio 600, with a 10-seat capacity and hybrid-electric propulsion power of 600 kilowatts.

Cassio aircraft will be built on a final assembly line in the Nouvelle Aquitaine region of southwest France, with VoltAero leading a growing team of world-class partners and suppliers. Licensed production opportunities will be pursued in North America and Asia. Deliveries are targeted to begin in 2023, starting with the four-seat 330 version.

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