Home›Supersonic and Experimental Aircraft›Status›One-off conceptBrowse ByOne-off conceptFactsOne-off conceptSourcesComments (0)Reader Challenges (0)FactsComparisonEra of EmergenceWell-attested1947 1One-off conceptFilter Results2 entriesVehicle TypeAllFixed-Wing Aircraft (1)High-Speed Military Prototypes and Reconnaissance Aircraft (1)Vertical Takeoff and Landing Research Aircraft (1)ManufacturerAllHughes Helicopters (1)Sukhoi (1)MakeAllHughes Helicopters (1)Sukhoi (1)YearAll1964 (1)1997 (1)Country of OriginAllRussia (1)United States (1)Body StyleAllAircraft (no road body style) (2)Engine ClassAllJet (2)Show ResultsBrowseCompareSelect all 2Hughes XV-9One-off conceptSukhoi Su-47One-off conceptSources1. Wikipedia: Sound barriertier 2WikipediaSound barrier, lead section, Yeager 1947 sentenceQuote, Sound barrier, lead section, Yeager 1947 sentenceIn 1947, American test pilot Chuck Yeager demonstrated that safe flight at the speed of sound was achievable in purpose-designed aircraft, thereby breaking the barrier.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.