Marshall Aerospace Completes 6-DOF Flight Dynamics Model for Horizon Aircraft's Cavorite X7 eVTOL
Marshall Aerospace has completed a six-degrees-of-freedom (6-DOF) flight dynamics and control model for Horizon Aircraft's hybrid-electric VTOL aircraft, the Cavorite X7. The model will underpin the development of safety-critical control systems and support the aircraft's airworthiness certification process, marking a significant milestone on the X7's path to certification.

Highlights
- Marshall Aerospace completed a six-degrees-of-freedom (6-DOF) flight dynamics and control model for Horizon Aircraft's hybrid-electric VTOL aircraft, the Cavorite X7.
- The 6-DOF model covers the X7's aerodynamics, propulsion system, and mass properties, and will underpin the development of safety-critical flight control systems.
- Completion of the flight dynamics model is a key milestone in the Cavorite X7's airworthiness certification programme, laying the groundwork for future flight testing and control law development.
- The Cavorite X7 targets both commercial and military aviation markets, using a hybrid-electric architecture to deliver extended range and enhanced reliability.
- Marshall Aerospace Director of Aerospace Engineering Services Mark Hewer stated the programme demonstrates the company's engineering depth across complex challenges including platform conversions and special mission modifications.
Marshall Aerospace Completes 6-DOF Flight Dynamics Model for Horizon Aircraft's Cavorite X7 eVTOL
Horizon Aircraft has announced that its global partner Marshall Aerospace has completed a flight dynamics and control model to support the development and airworthiness certification of the company's hybrid-electric vertical take-off and landing (VTOL) aircraft, the Cavorite X7.
Marshall Team Builds Six-Degrees-of-Freedom Flight Model
The Marshall team conducted extensive analysis and modelling of the Cavorite X7's aerodynamics, propulsion system, and mass properties, producing a six-degrees-of-freedom (6-DOF) flight model. The model will support the development of the X7's safety-critical control systems, enabling Horizon Aircraft to predict and optimise the aircraft's response to control inputs.
The 6-DOF model captures both translational and rotational motion of the aircraft across three-dimensional space. It is an essential foundational tool for flight control system design and verification, and carries particular significance for the subsequent airworthiness certification process.
Marshall Aerospace Demonstrates Deep Engineering Expertise
Mark Hewer, Director of Aerospace Engineering Services at Marshall Aerospace, commented: "We are delighted to support Horizon Aircraft in this safety-critical development work for a product that opens up exciting new possibilities in both commercial and military aviation. This programme demonstrates how our depth of engineering experience can be applied to a wide range of complex challenges — from platform conversions to special mission modifications and test platforms."
About the Cavorite X7
The Cavorite X7 is a hybrid-electric VTOL aircraft developed by Horizon Aircraft, combining the flexibility of vertical take-off and landing with the efficiency of fixed-wing flight. The aircraft targets both commercial and military markets, leveraging its hybrid-electric architecture to deliver extended range and enhanced reliability — positioning it as a differentiated solution within the broader eVTOL sector.
The collaboration with Marshall Aerospace marks an important step forward in the Cavorite X7's journey towards airworthiness certification. The completion of the flight dynamics model lays a solid foundation for subsequent flight testing and control law development.
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