Software for the development and operation of robotic devices, drones, unmanned aerial vehicles (UAVs), unmanned aerial systems (UAS), and remote control (RC) aircraft; accessories for robotic devices, drones, unmanned aerial vehicles (UAVs), unmanned aerial systems (UAS), and remote control (RC) aircraft, namely, electronic devices for controlling flight; downloadable manuals for the operation and maintenance of robotic devices, drones, unmanned aerial vehicles (UAVs), unmanned aerial systems (UAS), and remote control (RC) aircraft; flight simulators for aircraft; electronic navigational and positioning apparatus and system for robotic devices, drones, unmanned aerial vehicles (UAVs), unmanned aerial systems (UAS), and remote control (RC) aircraft; data processing apparatus; altimeters; antennas and aerials; azimuth measuring instruments; flight controlling apparatus, namely, remote control for operating robotic devices, drones, unmanned aerial vehicles (UAVs), unmanned aerial systems (UAS), and remote control (RC) aircraft; gyroscopes; automatic flight control and autopilot systems comprising computer hardware and software for controlling the flight of aircraft, unmanned aerial systems (UAS), drones, and unmanned aerial vehicles (UAVs); inertial measurement units comprising accelerometers and gyros for use in navigation and guidance systems; integrated circuits; radar apparatus; sonar equipment and parts thereof; speedometers; speed checking apparatus in the nature of speed indicators and speedometers for robotic devices, drones, unmanned aerial vehicles (UAVs), unmanned aerial systems (UAS), and remote control (RC) aircraft; laser guide instruments for robotic devices, drones, unmanned aerial vehicles (UAVs), unmanned aerial systems (UAS), and remote control (RC) aircraft for personal, educational, or hobby use, namely, laser guide lights for visual alignment and positioning, not for medical purposes; measuring apparatus, namely, to measure altitude, location, speed, acceleration, orientation, light, sound, heat, magnetics, vision, and motion; motion detection sensors; electronic sensors, namely, optical sensors, audio sensors, and proximity sensors; satellite navigational system, namely, a global positioning system (GPS); satellite-aided navigation systems; apparatus for transmission of communication; aerial antennas