Supersonic jet could be fastest civilian plane ever made

    The Boom supersonic passenger jet is capable of cruising at twice the speed of a regular aircraft .

    By using Yahoo, you agree that we and our partners may use cookies for purposes such as customising content and advertising. See our Privacy Policy to learn more; Yahoo is now part of ‘Oath’ and a member of the Verizon family of companies. As of 15 September 2017, we plan to share some user information within our new family. Learn more