Help the action of boat lamp

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The airport helps boat lighting system by comprise into system of close lighting system, track lighting system and taxiway lighting, each have different function and effect. Glide the lamp is belonged to into close lighting system, in track two end each all the way, enter to the plane mix nearly land the effect that having a key, it is a plane descendent guiding is indicative. If do not have conduce boat lamp, will bring about night flight or navigation to cannot be ensured directly, constitute huge menace to aviation safety, must close the airport.