It seems like that is the limit. the proposal: https://www.faa.gov/newsroom/ARM-260115-001_Supersonic_NPRM_06-10-26.pdf https://www.faa.gov/newsroom/ARM-26011

It seems like that is the limit. the proposal: https://www.faa.gov/newsroom/ARM-260115-001_Supersonic_NPRM_06-10-26.pdf https://www.faa.gov/newsroom/ARM-260115-001_Supersonic_NPRM_... ... also alludes to new designs where the boom doesn't reach the ground. It also talks about primary and secondary booms. Will folks with these planes eliminate risk of going > .11 psf by having the boom stay off the surface?