# ISM Code | Navatom Maritime Glossary
The International Safety Management (ISM) Code is the international standard for managing and operating ships safely and preventing pollution. The International Maritime Organization (IMO) adopted it through Resolution A.741(18). SOLAS Chapter IX makes it mandatory.

URL: https://navatom.com/glossary/ism-code

## Synonyms
- International Safety Management Code
- ISM

## Definition
## What Is the ISM Code?
The International Safety Management (ISM) Code is a mandatory international standard for the safe management and operation of ships and for pollution prevention. Adopted by the International Maritime Organization (IMO) through Resolution A.741(18) in 1993 and made compulsory under Chapter IX of the International Convention for the Safety of Life at Sea (SOLAS), the ISM Code establishes a framework that every ship operator and shipowner must follow.
It applies to all passenger ships, oil tankers, chemical tankers, gas carriers, bulk carriers, and cargo high-speed craft of 500 gross tonnage and above on international voyages.
## Core Requirements of the ISM Code
At the heart of the ISM Code is the requirement for every shipping company to develop, implement, and maintain a Safety Management System (SMS). The SMS must include a documented safety and environmental protection policy, instructions and procedures for safe ship operation, defined levels of authority and lines of communication between shore and shipboard personnel, procedures for reporting accidents and non-conformities, procedures for preparing for and responding to emergency situations, and procedures for internal audits and management reviews.
Companies must also appoint a Designated Person Ashore (DPA) who has direct access to the highest level of management and serves as the link between the company and those on board.
## Audits and Certification
Compliance with the ISM Code is verified through a structured audit process conducted by the flag state administration or a recognized organization acting on its behalf. Companies that meet the requirements receive a Document of Compliance (DOC), while individual ships receive a Safety Management Certificate (SMC).
Both documents are subject to periodic and intermediate verification audits, typically on a cycle of five years with annual or intermediate reviews. Non-conformities identified during audits must be addressed within prescribed timeframes, and major non-conformities can lead to detention of the vessel.
## How Software Supports ISM Compliance
Modern ship management platforms play a critical role in maintaining ISM Code compliance by digitizing the entire Safety Management System. Cloud-based solutions centralize document control, automate audit scheduling and non-conformity tracking, streamline incident reporting workflows, and provide real-time dashboards that give the DPA instant visibility into the safety posture of every vessel in the fleet.
By replacing paper-based processes with structured digital workflows, software reduces administrative burden, minimizes human error, and ensures that evidence of compliance is always audit-ready. This is particularly valuable for companies managing large fleets across multiple flag states, where consistent application of safety procedures is both a regulatory necessity and an operational advantage.

## Related Terms
- [Safety Management System](https://navatom.com/glossary/safety-management-system) — A Safety Management System (SMS) is the structured, documented system that lets company staff carry out the company's safety and environmental protection policies. The International Safety Management (ISM) Code requires one, under SOLAS Chapter IX. It is the main way a company shows that it meets the Code.
- [Designated Person Ashore](https://navatom.com/glossary/designated-person-ashore) — The Designated Person Ashore (DPA) is a role that Section 4 of the ISM Code requires. The DPA monitors the safety and pollution-prevention side of each vessel’s operation. The DPA also makes sure each ship has enough resources and support from shore.
- [SOLAS](https://navatom.com/glossary/solas) — The International Convention for the Safety of Life at Sea (SOLAS) is the main international treaty on the safety of merchant ships. Its first version was adopted in 1914, after the Titanic disaster. The current convention dates from 1974 and is kept up to date by amendments.