Mach Cutoff

FAA proposes lifting 53-year ban on civilian supersonic overland flight with new noise standards

The rule sets an allowable noise standard that should allow for supersonic flight when in the “mach cut-off” regime. The Federal Aviation Administration has proposed repealing the USA’s long-standing ban on civilian overland supersonic flight and adopting new “noise-based” standards it says could allow a new era of supersonic air travel. The FAA “is taking…