Overhead wires, cables and supporting towers for aircraft warning lights and spheres
Marking -The wires, cables to be marked should be equipped with [...]
Marking -The wires, cables to be marked should be equipped with [...]
High Intensity Aviation Obstruction Lights are installed on obstacles over [...]
Medium Intensity Obstruction Lights are usually installed on obstacles from 45 [...]
Low-Intensity Aircraft Warning Lights are usually installed on obstacle [...]