EntityQ841258· pop 14· linked from 209 articlesheading indicatorSign in to saveflight instrument used in an aircraft to inform the pilot of the aircraft's headingConnectionsturn and slip indicatorEntityflight instrumentEntityInternational Standard Book NumberEntitycompassEntityengineEntityaircraftEntityaircraft pilotEntitygyroscopeEntitygreat circleEntityaltimeterEntityperiscopeEntityglobal navigation satellite systemEntitymagnetometerEntityFederal Aviation AdministrationEntitygyrocompassEntityinertial navigation systemEntityattitude indicatorEntityvacuum pumpEntityvariometerEntityhead-up displayEntityCategoriesAircraft instrumentsAvionics