EntityQ636679· pop 9· linked from 36 articlesseparationSign in to saveconcept of keeping aircraft at least a minimum distance apart to reduce the risk of collision or wake turbulenceConnectionsFederal Aviation AdministrationEntityairspaceEntityaircraftEntityradarEntityfootEntityaltitudeEntityrunwayEntityZurich AirportEntityair traffic controlEntitymilitary aircraftEntityautopilotEntityEurocontrolEntityintelligent transportation systemEntityair traffic controllerEntitytaxiwayEntitydead reckoningEntitytraffic collision avoidance systemEntityinstrument flight rulesEntityvisual flight rulesEntityflight levelEntityCategoriesAir traffic control