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The Trump administration is moving to replace a 50-year ban on supersonic flight over US land with a noise-based limit, citing technological advances that could eliminate the sonic boom. The FAA has proposed a new rule, aiming to finalize it by mid-2027, which would allow aircraft like Boom Supersonic's to fly faster than Mach 1 over land while keeping noise below a set threshold.
The FAA has announced rulemaking to legalize supersonic flight, including the Boomless Cruise approach demonstrated on XB-1, marking a major step toward a supersonic renaissance.
NASA's X-59 quiet supersonic research aircraft is preparing for its first supersonic flight tests, aiming to demonstrate quiet supersonic flight over communities.