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IMO measures on enclosed space entry safety

Published on 2026/04/24

Maritime Legal Update – April 2026

Lloyd’s Register Class News 05/2026 – IMO measures on enclosed space entry safety

(prepared by Marek Czernis & Co. Law Office)

Firm note – operational and compliance advisory

Our Law Office is currently advising shipowners, operators, charterers and shipmanagers on the implementation of IMO safety measures, including enclosed space entry procedures, crew safety obligations and ISM Code compliance.

1. Introduction – new IMO measures

Lloyd’s Register Class News 05/2026 highlights the implementation of new IMO measures aimed at improving safety related to entry into enclosed spaces onboard ships.  

These developments follow continued concern over fatal accidents in enclosed spaces and represent a key IMO safety priority.

2. Scope of the new requirements

The measures focus on: enhanced risk assessment before entry, mandatory permit-to-work procedures, improved crew training requirements, strengthened monitoring of atmospheric conditions.

The objective is to reduce the risk of fatalities caused by oxygen deficiency, toxic gases or unsafe entry conditions.

3. Implications for shipowners and operators

3.1. ISM Code compliance

The measures directly affect compliance with: the ISM Code, onboard Safety Management Systems (SMS).

Operators must update procedures, ensure training and maintain proper documentation.

3.2. Liability exposure

Failure to comply may lead to: civil liability, regulatory sanctions, potential criminal exposure depending on jurisdiction.

Firm experience: In crew injury and fatality cases, failure to follow enclosed space procedures is often a decisive factor in determining liability.

4. Insurance implications

The measures impact: P&I insurance cover, underwriting risk assessments, premium levels.

Non-compliance may affect coverage and claims handling.

5. Regulatory trend

IMO continues to prioritise: crew safety, procedural compliance, operational accountability.

6. Practical recommendations

Operators should: audit enclosed space entry procedures, enhance crew training, maintain compliance records, review insurance coverage.

7. Conclusion

The IMO’s new enclosed space safety measures reinforce the importance of procedural compliance and crew safety in modern shipping operations.

Final note – our publications

More insights on maritime law, safety, contracts and IMO regulations are available at:

https://czernis.pl

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