Chimney obstruction lighting
Warning light only at night (with red and white marking) – medium intensity type B or C at the top and intermediate levels (if the obstacle is above 105m)
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Type B low-intensity lights at intermediate levels
Day and night warning light (without red and white marking)– Medium intensity lights type A, A and B or A&C at the top and intermediate levels (if the obstacle is above 105m)
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Low intensity type B (except for medium intensity type A lights) at intermediate levels (if the obstacle is above105 m)
Methods of marking telecommunication towers and masts with obstruction lighting
Ways to mark wind turbines with obstruction lighting
