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The noise characteristics of The Boeing Company variable sweep supersonic transport are described. It is predicted that the noise levels of this airplane will be lower than those of current intercontinental subsonic jets. However, the noise generated by the supersonic transport could be substantially modified by the way the aircraft will be operated. The flexibility in operation afforded by the Boeing supersonic transport for achieving low noise levels, both airport and in the community, is reviewed. No major noise problems are anticipated because of SST operations at present airfields.