VisualObstacleAlerting European Supplement

urn:aero:ses:eurocontrol:airm:1.0.0:ConceptualModel:Subjects:BaseInfrastructure:NavigationInfrastructure:VisualObstacleAlerting

Any visual alerting system (lights and others) put generally on top of obstacles to warn pilots on the existence and location of potential danger to aviation created by an obstacle.

Source: SESAR,