Number of Obstruction Light
Number of obstruction lights to be placed on tall structures can be calculated by the following formula –

• Number of Lights = N = Y/45 Where Y is the height of the Obstruction.

• Light spacing = X = Y/N <= 45m There should be atleast 45 meter gap between two obstruction lights installed on tall structures.

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Basic knowledge Obstruction Lights Definition Types of Obstruction Lights Need of Obstruction Lights Number of Obstruction Lights Lights Selection Warranty Policy Industry Regulation

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