> the legislation addresses both the flight restrictions and the noise rule Noise rules are there for good reason (nobody likes broken windows)... and I'm sure

> the legislation addresses both the flight restrictions and the noise rule Noise rules are there for good reason (nobody likes broken windows)... and I'm sure there's military applications for quieter supersonic engines, but we don't have any (either because we haven't tried, or, more likely, because it can't be). I suppose I'm just highly skeptical they can do both, or either, in reality. Sort of, having their cake and eating it too. I'd love to be proved wrong here though, so I guess we'll have to wait and see.