Classification society Bureau Veritas (BV) has developed a voluntary notation intended to assist shipbuilders and operators to reduce underwater noise radiating from ships. The comprehensive set of standards and measuring services is grouped as NR614 Underwater Radiated Noise (URN). It aims to control and limit the environmental impact on marine life of all self-propelled ships and provide a standard and a system to assess compliance with specific vessel requirements for underwater radiated noise.
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