Buildings lighting Obstruction lighting solutions to be set at the top of buildings, and heliport lights, to be set around the runway in order to guide helicopters pilots. Lighting of buildings with heliports If the building has an elevated heliport, that is to say located on a raised structure on land, lighting marks have to be set around the runways to guide the pilots during take-off and landing. In the case of these elevated heliports, the Final Approach and Take-Off areas (FATO), and the Touchdown and Lift-Off areas (TLOF) are coincidental: only the TLOF runway matters. As a matter of facts, TLOF area should be lighted with TLOF perimeter lights: fixed omnidirectional green lights, inside the floor, or not higher than 25cm, uniformly spaced from 3 meters maximum. It will be possible to add floodlights to the perimeter lights, in order to identify better the heliport marks. Lighting of buildings judged as air obstacles In t
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