FAA Proposes to End Ban on Overland Supersonic Flights, Establish Interim Noise-Based En Route Standard as First Step to Fully Authorizing Supersonic Operations

Short summary

The FAA proposed ending its 1973 ban on overland civil supersonic flight, replacing it with a performance-based noise standard of 0.11 psf sonic boom overpressure at the surface. Operators would need to demonstrate compliance through FAA-approved methods. Comments are due August 17, 2026, with environmental groups expected to oppose the change.

• •FAA proposes replacing overland supersonic flight ban with a 0.11 psf noise standard
• •Operators must demonstrate compliance via FAA-approved methods; this is a first step toward full authorization
• •Comments due August 17, 2026; environmental NGOs expected to oppose

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