Blinking red lights throughout night are annoying and unnecessary on industrial wind towers

Tipton County Indiana (east of Kokomo, IN).

The Obstacle Collision Avoidance System (OCAS) is designed to alert pilots if their aircraft is in immediate danger of flying into an obstacle. OCAS uses a low power ground based radar to provide detection and tracking of an aircraft’s proximity to an obstacle such as a wind turbine. This capability allows the visual warning lights to remain passive until an aircraft is detected and known to be tracking on an unsafe heading. This leaves the nighttime sky free of unnecessary light pollution thus decreasing public annoyance issues while improving the environmental habitat. (OCAS video) (light pollution video)

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