Draft Document - Underwater acoustics - Quantities and procedures for description and measurement of underwater sound from ships - Part 1: Requirements for precision measurements in deep water used for comparison purposes; Amendment 1

This document represents an official amendment issued by a prominent national standards body in Germany, specifically addressing the field of underwater acoustics. It introduces necessary updates to the existing international guidelines concerning the description and measurement quantities and procedures for ship acoustic environments. The focus of this revision is to establish precise requirements for deep-water measurements intended for comparative purposes, ensuring consistency and accuracy in data collection across different testing scenarios. By refining the technical specifications, the update enhances the reliability of acoustic performance assessments in complex marine environments. The amendment aligns with current technological advancements and operational needs, providing updated methodological frameworks for researchers and engineers involved in naval architecture and underwater systems. This modification serves to maintain the relevance and applicability of the original international standard within the context of modern deep-sea acoustic surveys. It does not alter the fundamental scope but rather clarifies specific measurement protocols to improve comparability between different measurement campaigns conducted in deep waters.