Notice to mariners

A notice to mariners (NTM) advises mariners of important matters affecting navigational safety, including new hydrographic information, changes in channels and aids to navigation, and other important data.

Over 60 countries which produce nautical charts also produce a notice to mariners. About one third of these are weekly, another third are bi-monthly or monthly, and the rest irregularly issued according to need. For example, the United Kingdom Hydrographic Office issues weekly updates.

单词	Notices to Mariners
释义	Notices to Mariners 原声例句 VOA Special 2018年1月合集 “Governments usually issue notices to mariners and shippers on a real-time basis.” “政府通常会实时向海员和托运人发布通知。” 英语百科 Notice to mariners A notice to mariners (NTM) advises mariners of important matters affecting navigational safety, including new hydrographic information, changes in channels and aids to navigation, and other important data. Over 60 countries which produce nautical charts also produce a notice to mariners. About one third of these are weekly, another third are bi-monthly or monthly, and the rest irregularly issued according to need. For example, the United Kingdom Hydrographic Office issues weekly updates.
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Notices to Mariners

Notice to mariners