High-Speed Flight Project
NASA’s High-Speed Flight (HSF) project develops technologies that enable high-speed commercial flight from Mach 1 to Mach 5 and above. Its supersonic and hypersonic vehicle research includes tools, technologies, and knowledge to help eliminate today’s technical barriers to practical commercial high-speed flight.
High-speed flight spans from Mach 1 to above Mach 5. Mach 5 is roughly 3,800 mph.
In hypersonic history, the X-15 reached Mach 6.7 and the X-43 reached Mach 9.6.
Featured Story: Taming the BOOM — NASA hopes the ban on commercial supersonic flight over land can be lifted by replacing the loud sonic boom with… Contact the High-Speed Flight project by email at larc-htp-inquiries@mail.nasa.gov.
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