Europe should be able to meet mid-term targets to quiet aviation, but longer-term goals may be in jeopardy unless more is done to curtail airframe-related noise.rnBy 2020, the European Union wants to cut aviation noise 10 dB. from 2000 levels, and it has established a mid-term goal of a 5-dB. improvement by 2010. The just-completed €112-mil-lion ($153-million) Silencer research program—funded equally by government and industry and involving 51 partners—highlights both the progress made andrnwhat remains to be accomplished.
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