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Published on Oct 1, 2012
Safety Markings for Wind Measurement Towers (Meteorological Evaluation Towers MET). MET towers are erected to measure wind speed, direction and duration for siting of large wind turbines. Due to their height of less than 200 ft. they are not required to be lighted. The Federal Aviation Administration FAA has issued guidance on how best to mark them to improve safety of low flying aircraft. Marking includes orange and white paint, orange marker balls on the guy wires, and high visibility sleeves.