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All terms

ISM Code

The IMO safety-management standard requiring shipping companies to operate a documented Safety Management System.

Dictionary entry
ISM Code
Last reviewed

How it works

The International Safety Management (ISM) Code requires every ship operator to establish and maintain a Safety Management System (SMS): documented procedures for safe operation, pollution prevention, maintenance, emergency response and continuous improvement, with a designated person ashore linking ship and company.

Compliance is verified by a Document of Compliance for the company and a Safety Management Certificate for each ship. ISM made safety culture an auditable, certified requirement rather than a matter of goodwill.

Where it shows up on The Maritime

Also known as: ISM code, safety management system, SMS.

The short dictionary definition is at Dictionary entry: ISM Code. This page is the explainer.

Related terms

More regulation and compliance terms

A plain-English reference definition: our own explanation of a standard shipping concept, not a licensed source or legal advice. See the full glossary or the broader maritime dictionary.

Last reviewed: .