Aviation obstruction lighting is used to enhance the visibility of structures or fixed obstacles which may conflict with the safe navigation of aircraft. Obstruction lighting is commonly installed on
Emley Moor transmitting station using a red warning beacon
Aircraft warning lights at the Mannheim telecommunications tower, in the background the bright torchlight of a steam cracker, in the distance warning lights from wind turbines
Structure using a white strobe
Structure using a red/white strobe
Overhead wire marker
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Overhead wire markers are safety instruments applied to the overhead power lines marking transmission lines and ropeways along the flight path during the day.
A spherical marker. Spherical markers are also known as aerial marker balls.
Markers on a line near an airfield
An overhead line obstruction warning marker near an airstrip.