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Maritime Safety Guidances: A look back at MGNs on Critical Maritime Safety Issues

2 January 2024

Over the past year there have been a number of newly released Marine Guidance Notices (MGNs) providing highly relevant information to the maritime industry. The Maritime and Coastguard Agency (MCA) has issued these MGNs to provide comprehensive guidance on crucial aspects of maritime safety.

You can discover some of the latest MGNs below to become familiar with important issues that are affecting seafarers today:

1. Fatigue and Fitness for Duty for Seafarers (MGN 505)

This MGN provides comprehensive guidance on managing fatigue and ensuring seafarers are fit for duty to maintain vessel safety and efficiency. It outlines effective fatigue management strategies, rest requirements, and monitoring procedures to prevent fatigue-related incidents.

Download this MGN

2. Interference with Safe Navigation through Inappropriate Use of Mobile Phones (MGN 299)

MGN 299 emphasizes the critical role of mobile phones in maritime safety and the importance of their responsible use. It highlights the potential for distractions and interference with safe navigation caused by inappropriate mobile phone usage. The MGN provides recommendations for minimizing distractions and maintaining focus during critical operations.

Download this MGN

3. 12 Significant People Factors in Maritime Safety (the Deadly Dozen) (MGN 520)

Recognizing human factors as a significant contributing factor to maritime accidents, MGN 520 identifies 12 critical human behaviors that pose potential hazards to maritime safety. It provides insights into these behaviors and effective strategies to address them, promoting a culture of safety and vigilance among seafarers.

Download this MGN

Reassessing the Relevance of MGN Guidance Today

While these MGNs may not be recent publications, their insights into fatigue management, mobile phone usage, and human factors remain highly relevant today. As technology evolves and maritime operations become more complex, these guidelines can help seafarers and maritime professionals adopt practices that enhance safety and minimize the risk of accidents.

Seeking Feedback and Collaboration

We encourage you to review these MGNs and provide your feedback on their continued relevance and effectiveness. Your input is valuable in ensuring that these guidelines remain applicable to the evolving maritime landscape.

You can contact us at with any questions or further comments.

Stay updated on future maritime developments

The PYA team remains committed to providing you with relevant maritime information and guidance. You can become a PYA member or subscribe to our newsletter today to get the latest important developments in the maritime industry.

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