FAA Proposes New Rules That Would Legalize Supersonic Flight Across the United States

Summary Replacing a 53-year-old ban on civil supersonic flight over land with a performance-based noise standardLimiting sonic boom overpressure to a strict maximum of 0.11 pounds per square foot at the surfacePaving the way for next-generation commercial airliners to drastically reduce travel times across the country The Federal Aviation Administration has issued a landmark notice of proposed rul