Regulations and Government
FAA Rule Clears Path for Supersonic Flight Tests
The FAA released a rule clarifying the process for flight authorizations for flight testing beyond Mach 1, a step toward the return of supersonic flight.
Supersonic airliner developer Boom is planning to flight test its XB-1 supersonic demonstrator to gather data that would be used in the development of the Mach 2.2 Overture airliner. (Photo: Boom Supersonic)
Supersonic airliner developer Boom is planning to flight test its XB-1 supersonic demonstrator to gather data that would be used in the development of the Mach 2.2 Overture airliner. (Photo: Boom Supersonic)

The FAA took another step toward facilitating the development of civil supersonic aircraft with the release of a final rule today that clarifies procedures for obtaining special flight authorizations for flight testing beyond Mach 1.