Shipboard noise prediction software has progressed significantly over the last decade. Studies sponsored by the US Navy have led to the development of software capable of producing a highly accurate, three-dimensional acoustic model of the majority of marine vessels. However, noise on aircraft carriers had not been addressed to date because of the assumption that little could be done to effectively reduce the hazardous noise levels in compartments. A description of recent successful verification of the prediction software and the effective application of a novel sprayon damping material is provided. The goal is to reduce crew hearing loss, annoyance and impact on performance.

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