Underwater Radiated Noise Guide

Underwater radiated noise is acknowledged as a significant form of pollution because of its impact on marine life, where it can disrupt critical life functions such as their ability to communicate. The International Chamber of Shipping (ICS) and BIMCO developed the Underwater Radiated Noise Guide to enable shipping companies to reduce noise levels across their fleets. It explains:

• Sources of underwater radiated noise from ships
• The strong synergies between underwater radiated noise reduction and energy efficiency and the opportunities for co-benefit
• Design and operational measures that are likely to reduce noise levels
• How to develop a noise management plan and put it into practice

An example of a noise management plan is provided for shipowners to use as a functional template. Technical superintendents will find the included operational measures and in-depth discussion on the synergies between energy efficiency and underwater radiated noise reduction particularly valuable. Key information on all known Particularly Sensitive Sea Areas (PSSAs) and their regional slow-down regulations are detailed to aid ship officers when passage planning.

By following the recommendations in this ICS/BIMCO guide, shipping companies can demonstrate commitment to the IMO’s 2023 revised Guidelines for the reduction of underwater noise from commercial shipping and help tackle this issue impacting our oceans.