RDDRONE-FMUK66 flight management unit (FMU) reference design is the foundation used to build industrial robotic drones, rovers, and other small autonomous vehicles. This reference design runs PX4, the de facto standard for industrial-grade drones, and gives you freedom to develop your own robotic vehicle. Furthermore, the FMU is versatile and can run other open source or proprietary flight stacks. It is used to control and direct the navigation and real-time response to its environment. It is adaptable to many airframes and vehicle types, including ground and water-based robots. It performs sensor fusion, including GPS and other positioning inputs for autonomous navigation to mission way points. The open, extensible platform supports many additional sensors.