EntityQ908611· pop 9· linked from 193 articleshorizontal situation indicatorSign in to saveflight instrument used to inform the pilot of an aircraft's heading, especially at landingConnectionsturn and slip indicatorEntityflight instrumentEntitycompassEntityGlobal Positioning SystemEntityaircraftEntityaerodynamicsEntitygyroscopeEntityaltimeterEntityperiscopeEntityglobal navigation satellite systemEntityrudderEntityflight recorderEntitymagnetometerEntityFederal Aviation AdministrationEntityautopilotEntityundercarriageEntityavionicsEntityaircraft engineEntityaileronEntityinstrument landing systemEntityCategoriesAvionicsNavigational flight instrumentsRadio navigation