Speedometers and speed indicators; electronic speed controllers; speed indicators; electric sensors; electronic sensors, namely, optical sensors, audio sensors, and proximity sensors; motion detection sensors; apparatus for control and guidance of aircraft landing and aircraft in the nature of avionic sensor systems, namely, aircraft altitude indicators; automatic flight control and pilot systems comprising computer hardware and software for controlling the flight of aircraft, unmanned aerial systems, drones, and unmanned aerial vehicles; balancing apparatus, namely, gimbals for enhancing stabilization in the nature of precision balances; electric batteries; computer memory devices; computer peripheral devices; data processing apparatus; electric navigational instruments; electronic navigational and positioning apparatus and instruments; electric navigational instruments for aircraft, drones, unmanned aerial systems, and unmanned aerial vehicles; computer software for the operation of aircraft, drones, unmanned aerial vehicles, and unmanned aerial systems; electronic control systems for machines, engines, and motors; control units for regulating motors and engines in the nature of control units for regulating start-up electrical motors and electronic control systems for engines; balancing apparatus, namely, camera gimbals in the nature of gyroscope stabilizers for cameras; apparatus for control and guidance of aircraft landing and aircraft landing gear, namely, remote controls for aircraft landing gear; electronic control systems for machines in the nature of electronic controls for transmission in aircraft, drones, unmanned aerial systems, and unmanned aerial vehicles; transmission control units in the nature of control units for regulating start-up electrical motors; transmission control mechanisms in the nature of control units for regulating start-up electrical motors; control units for regulating start-up electrical motors for aircraft, unmanned aerial vehicles (UAVs), and robots; Speed changers for machines for aircraft, unmanned aerial vehicles (UAVs), and robots, namely, electronic speed controllers; Transmission control units in the nature of controls for aircraft, unmanned aerial vehicles (UAVs), and robots, namely, computers for managing control devices for aircraft; all of the aforementioned for use in connection with drones, unmanned aerial systems, unmanned aerial vehicles, and aircraft