Telecommunication towers are, typically, tall structures designed to support antennas for telecommunications and broadcasting, including television.
Telecommunication towers, transmission towers, broadcasting towers and tall structures such as, for example, Riyadh TV Tower in Riyadh, Saudi Arabia (170m) are hazardous to aviation safety because of their height and location and should be marked with obstruction lights according to international regulations.
|H < 45m||1 level of low intensity obstruction lights shall be used|
|45m < H < 105m||2 levels of obstruction lights shall be used: top level with medium intesity, intermediate with low intensity|
|105m < H < 210m||4 levels shall be used: top with medium intesity, 1stintermediate with low intensity, 2nd intermediate with medium intensity, lower level with low intensity|