Principals of the firm Exosonic describe their business objective as that of being able to sell quiet supersonic airliners to the range of players that collectvely make up the commercial aviation industry. Exosonic builds a passenger aircraft decsribes at capable of flying super-sonically overland and overwater with a muted sonic boom. That objective would be met by more effectively employing sonic boom shaping techniques that have been under development in the industry for decades. Properly engaged, it is suggested, that use of such aircraft could also siginificantly cut flight times by flying at higher speed over greater distances while carrying as many as 60 passengers in a dualâclass configuratio