Abstract: The disclosure relates to a lighting apparatus of a helicopter deck, which is meant especially while being installed in connection with an identification marking, such as an H, triangle, cross figure or the like, and/or a touchdown and positioning mark ring on a landing and takeoff area of the helicopter deck for illuminating the safety marking/markings in question in order to make more efficient observing thereof from the air. The lighting apparatus includes of light units formed of one or more lamps and being operable by power supply transmitted from a power source in connection with the helicopter deck, wherein the light units are coupled essentially immovably in connection with an upper surface of the helicopter deck.

Abstract: The disclosure relates to a lighting apparatus of a helicopter deck, which is meant especially while being installed in connection with an identification marking, such as an H, triangle, cross figure or the like, and/or a touchdown and positioning mark ring on a landing and takeoff area of the helicopter deck for illuminating the safety marking/markings in question in order to make more efficient observing thereof from the air. The lighting apparatus includes of light units formed of one or more lamps and being operable by power supply transmitted from a power source in connection with the helicopter deck, wherein the light units are coupled essentially immovably in connection with an upper surface of the helicopter deck.