(www.MaritimeCyprus.com) Commercial shipping is one of the main contributors to underwater radiated noise (URN) which has adverse effects on critical life functions for a wide range of marine life, including marine mammals,
including energy efficiency, biofouling control, and ship safety.
Guidance
Revised Guidelines for the Reduction of Underwater Radiated Noise from Shipping to Address Adverse Impacts on Marine Life, IMO MEPC.1/Circ.906/Rev.1, addresses URN management and planning. It also provides details about the relationship between the Energy Efficiency Compliance Measures and URN. Many of the energy efficiency improvement options to meet energy efficiency regulations (EEDI, EEXI and CII) may result in an improvement in URN performance. There is also information provided on URN reduction approach based on design, technical, operational and maintenance aspects.
All Shipowners, Shipmanagers and other stakeholders are encouraged to adopt URN reduction management planning as a tool for ship operation, design, construction, and modification. They are also urged to share experiences and information gathered from ship and equipment designers, shipbuilders, operators, and other relevant parties.
You can download here below the IMO circular MEPC.1/Circ.906/Rev.1 (Revised guidelines for the reduction of underwater radiated noise from shipping to address adverse impacts on marine life):
Source: IMO
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