There is a slew of new and revised documentation released by the UK Maritime & Coastguard Agency (MCA) covering the period of December 2025 to January 2026.
Published on 12 December 2025
MSN 1908 (M+F) Amendment 2 – The merchant shipping (control and management of ships’ ballast water and sediments) regulation 2022. This MSN provides the technical requirements of the obligations contained in the merchant shipping (control and management of ships’ ballast water and sediments) regulations 2022 (SI 2022/737).
Published on 16 December 2025
MGN 578 (M) Amendment 3 Use of overside working systems on vessels
This notice provides guidance on overside working systems, their use, standards, maintenance and regulations.
Published on 18 December 2025
MSN 1819 Prevention of air pollution from ships
Guidance and technical information on the merchant shipping (prevention of air pollution from ships) regulations 2008.
Published on 19 December 2025
MGN 681 (M) Amendment 1 Fire safety and storage of small electric powered craft on yachts
The guidance contained in this MGN is intended to outline best practices related to design, equipment and outfit of dedicated spaces onboard, and to increase safety for handling, charging and stowage of Li-ion batteries and craft with these in-built.
Published on 2 January 2026
MGN 710 (M) safety management systems for small workboats and pilot boats
Guidance on proportionate SMS requirements under Workboat Code Edition 3, including self-assessment, implementation evidence and the CA’s assurance role.
Published on 6 January 2026
MGN 589 (F) Amendment 1 ILO Work in fishing convention: complaints
Details on the UK provisions on the MCA’s handling of complaints, made to the MCA, relating to the work in fishing convention 2007 (ILO 188).
MGN 601 (M) – Maritime Labour Convention: Crew Accommodation for Small Vessels of Less than 200 GT that are Ordinarily Engaged in Commercial Activities (Amendment 1)
Crew accommodation standards as a substantial equivalence to MLC standard A3.1 for new UK vessels under 200GT, ordinarily engaged in commercial activities.
Published on 7 January
MGN 659 (M+F) Amendment 3 (Entry into Enclosed Spaces)
Guidance on the application of the Entry into Enclosed Spaces Regulations 2022 and further supporting information on best practice, following consultation.
MGN 331 (M+F) Amendment 4: The PUWER Regulations 2006
This MGN provides details and guidance on interpretation of the Merchant Shipping and Fishing Vessels (Provision and Use of Work Equipment) Regulations 2006.
MSN 1849 (M) Amendment 1 MLC, 2006 on-board complaint procedures
How to comply with merchant shipping (Maritime Labour Convention) (survey and certification) regulations 2013 in regards to regulation 13, on-board complaint procedures.
MGN 332 (M+F) Amendment 4: The LOLER regulations 2006
This provides details and guidance on interpretation of the merchant shipping and fishing vessels (lifting operations and lifting equipment) regs 2006.