Before revision: The Delco Carousel — proper name Carousel IV — was an inertial navigation system (INS) for aircraft developed by Delco URL Before the advent of sophisticated flight management systems, Carousel IV allowed pilots to automate navigation of an aircraft along a series of waypoints that they entered via a control console in the cockpit.
After revision: The Delco Carousel — proper name Carousel IV — was an inertial navigation system (INS) for aircraft developed by Delco Electronics.<ref>Plotting LOPs eight miles high - Ocean Navigator<Plotting LOPs eight miles high - Ocean Navigator> Before the advent of sophisticated flight management systems, Carousel IV allowed pilots to automate navigation of an aircraft along a series of waypoints that they entered via a control console in the cockpit.