EntityQ15727520· pop 6· linked from 194 articlesGust lockSign in to savemechanism that locks control surfaces and keeps open aircraft doors in place while the aircraft is parked on the groundConnectionsInternational Standard Book NumberEntitycompassEntityGlobal Positioning SystemEntityaircraftEntityaerodynamicsEntityLibrary of Congress Control NumberEntityBoeing B-17 Flying FortressEntityaltimeterEntityperiscopeEntityUSA TodayEntityrudderEntityflight recorderEntityautopilotEntityundercarriageEntityavionicsEntityaircraft engineEntityaileronEntityDouglas C-47Entityinertial navigation systemEntityPrince Gustaf Adolf, Duke of VästerbottenEntityCategoriesAircraft controls