Aviation obstruction marking sphere is designed to provide daytime visual warning of electricity transmission line for aircraft pilots, especially cross river high voltage transmission lines.
A marker should be of one colour. When installed, white and red, or white and orange markers should be displayed alternately. The colour selected should contrast with the background against which it will be seen.(Aviation Light)
|Visable Distance||1200 meters|
|Voltage Range||35KV ~ 1000KV|
|Color||Orange, Red, White|
|Option||Reflective strip for night aid|
For example, OMARK600RS means a 600 diameter Ostruction Sphere, with reflective strip