Best practices for creation and maintenance of ENC-derived paper nautical charts

This document provides general guidance and recommendations for hydrographic offices, government agencies, and commercial enterprises wishing to produce ENC-derived paper nautical charts in an automated or semi-automated manner. The content should be considered as “best practices,” rather than mandatory requirements. Every chart production system is different and the guidance presented here may be more applicable to some systems and situations than to others.

本文件为有意以自动化或半自动化方式制作电子海图（Electronic Navigational Chart，ENC）衍生纸质航海图的水文机构、政府部门及商业企业提供通用指南与建议。本文所载内容应被视为"最佳实践"，而非强制性要求。各海图制作系统均存在差异，本文提出的指南对部分系统与场景的适用性可能更强。