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IMCA produces a range of materials for its members as information notes, covering safety, technical, regulatory, commercial and various other issues relevant to its members.

Members can access all of these materials by logging in to this site. Non-members can view titles, for information, and a small number of individual articles deemed of wider public interest.

Browse our most recent information notes below, or use the filters to view our archives by subject and/or year.

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Summary of IMCA D 023 Document Changes 2022

IMCA D 023 Rev. 1 DESIGN for surface orientated (air) diving systems was published in January 2014. The latest revision of IMCA D 023 has now been published (Rev. 2). This Information Note summarises the changes that were made during the Rev. 1 to Rev. 2 update process.

| Information Note number 1619

ASOG – The Decision Support Tool You Need

Following a review of the 2021 Annual DP Station Keeping Event Report published by IMCA in March 2022, the IMCA Marine Division Management Committee & DP Committee agreed that an objective for 2022 was to create an information note explaining the subject of Activity Specific Operating Guidelines (ASOG) and its

| Information Note number 1618

Dutch Regulator Announces Recognition Scheme for Non-EU Diving Medical Certificates

The Dutch regulator for diving, SWOD, has announced it will recognise valid certificates of medical fitness to dive issued by a Health and Safety Executive (HSE) Approved Medical Examiner of Divers (AMED) for divers wishing to work in Dutch waters. Dutch medicals are currently recognised by the HSE.

| Information Note number 1617


COBRA Advisory Notice: Setting Positive Pressure

Your attention is brought to the following guidance note from JFD pertaining to reported various issues around setting the positive pressure on the COBRA backpack. The guidance note can be […]

| Information Note number 1613

Brazilian Supervisor CPD Requirements

In 2021, IMCA began offering the IMCA Diving Supervisor Scheme in Brazil, with candidates being able to take the required IMCA examinations in Brazilian Portuguese.

| Information Note number 1611


Verification of Diver Qualifications

This information note supersedes IMCA D 02/18 which is now withdrawn. This information note has been produced to help IMCA Members and others verify the validity of diving certificates recognised […]

| Information Note number 1609

Migration and Maritime Security

Migration of people is not a new phenomenon.  In the last ten years, owing to civil strife, economic hardship and conflict, there have been unprecedented migration flows, particularly towards Europe.  Insofar as migration has the potential to affect the security and safety of our members’ crews and operations, it is

| Information Note number 1607

FMEA – Five Yearly Review

Guidance and lessons learned may be missed if the FMEA/FMECA document is not periodically refreshed.  A neglected DP system FMEA/FMECA may lead to a reduction in robustness, resilience, and single fault tolerance if it is only updated after deficiencies have been identified by a vessel DP Assurance process or after

| Information Note number 1605




Loosening of COBRA Handle Manifold – JFD Guidance Note

Members’ attention is brought to the recent Guidance Note issued by JFD relating to the Compact Bailout Rebreathing Apparatus (COBRA) handle manifold becoming loose within the activation assembly on the […]

| Information Note number 1599

COBRA Pre-use Procedures – JFD Guidance Note

Members’ attention is brought to the recent Guidance Note issued by JFD concerning changes to the pre-use procedures for the Compact Bailout Rebreathing Apparatus (COBRA).  The COBRA manual will be […]

| Information Note number 1598


Summary of IMCA D 024 Document Changes 2021

IMCA D 024 Rev. 2 DESIGN for saturation (bell) diving systems was published in July 2014.  The latest revision of IMCA D 024 has now been published (Rev. 3).  This […]

| Information Note number 1595

Summary of IMCA D 018 Document Changes 2021

IMCA D 018 Rev. 1 Code of practice for the initial and periodic examination, testing and certification of diving plant and equipment was published in June 2014.  The latest revision […]

| Information Note number 1594



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