Horizon Aircraft and Marshall Aerospace Complete Flight Dynamics Model for Cavorite X7 eVTOL
Horizon Aircraft and UK aerospace partner Marshall Aerospace have successfully completed a six-degrees-of-freedom (6-DOF) flight dynamics and control model for the Cavorite X7 hybrid-electric VTOL aircraft. The milestone supports the development of safety-critical control systems and lays the groundwork for future airworthiness certification.

Highlights
- Horizon Aircraft and Marshall Aerospace have completed a 6-DOF flight dynamics and control model for the hybrid-electric Cavorite X7 VTOL aircraft.
- The 6-DOF model enables Horizon Aircraft to predict and optimize the Cavorite X7's response to control inputs, directly supporting safety-critical system development.
- Marshall's Aero Engineering Services division contributed expertise in aerodynamic analysis, propulsion systems, and mass distribution to build the flight model.
- The completed flight model is a foundational step toward airworthiness certification for the Cavorite X7.
- Marshall Aerospace has over 100 years of engineering history and has led global C-130 Hercules support since 1966, bringing deep aerospace credentials to the partnership.
Horizon Aircraft and Marshall Aerospace Complete Cavorite X7 Flight Model
Horizon Aircraft and its global partner Marshall Aerospace have announced the successful completion of a flight dynamics and control model to support the development and airworthiness certification of Horizon's hybrid-electric vertical take-off and landing (VTOL) aircraft.
Cross-Border Engineering Teams Work in Lockstep
Horizon Aircraft selected Marshall's Aero Engineering Services division for its proven track record in platform modifications, special mission conversions, and applied engineering across aircraft dynamics, stability, and control.
Horizon Aircraft CTO Tom Brassington said: "The delivery of the first flight model for the Cavorite X7 marks a strong start to our partnership with Marshall Aerospace. Marshall's engineers integrated seamlessly into our development process — acting as an extension of our own team — applying their expertise to help build one of the safest, most robust, and highest-performing modern VTOL aircraft flying today."
Six-Degrees-of-Freedom Flight Model Established
The Marshall team conducted extensive analysis of how the X7's aerodynamic characteristics, propulsion system, and mass distribution influence flight behavior. The result is a six-degrees-of-freedom (6-DOF) flight model that underpins the development of the X7's safety-critical control systems, enabling Horizon Aircraft to predict and optimize the aircraft's response to control inputs.
Mark Hewer, Director of Aero Engineering Services at Marshall Aerospace, commented: "We are delighted to have supported Horizon Aircraft on safety-critical development work for a product that opens up new possibilities for both commercial and military aviation. This program demonstrates how our deep engineering heritage can be applied to complex challenges — from platform modifications and special mission conversions to test rigs and beyond."
About Marshall Aerospace
Marshall Aerospace is a British aerospace and defence company with over a century of engineering excellence, specializing in aircraft design, systems integration, airworthiness certification, maintenance, repair and overhaul (MRO), and advanced manufacturing. Since 1966, the company has been a world leader in global support for the C-130 Hercules transport aircraft, holding numerous world-first certifications and accolades. Marshall works with governments, military operators, and major OEMs worldwide to deliver complex aerospace and defence programs.
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