A COMMERCIAL jet has topped supersonic speeds for the first time since the Concorde, the company behind the feat has claimed.
Dawn Aerospace says its jet, the MK-11 Aurora, broke the sound barrier with a speed of Mach 1.1 (844mph) in a test flight on 12 November.
Dawn AerospaceThe uncrewed supersonic aircraft climbed to an altitude of 82,500ft (15.6miles) in just 118.6 seconds[/caption] Dawn AerospaceDawn plans to work the jet up to eyewatering speeds of Mach 3.5 (2685mph)[/caption]...