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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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Extension of the IMCA Diving Supervisor CPD Scheme to Trainees

In April 2020 IMCA launched its diving supervisor continuing professional development (CPD) scheme and app. Since then, the scheme has been highly acclaimed by supervisors, contractors and clients and has […]

| Information Note number 1645

Joint Concentrated Inspection Campaign on Fire Safety

The Member Authorities of the Tokyo and the Paris Memoranda of Understanding (MoU) on Port State Control will launch a joint Concentrated Inspection Campaign (CIC) on Fire Safety. The purpose […]

| Information Note number 1644

Diver and diving supervisor certification

This information note supersedes IMCA D 16/16 and earlier versions of IMCA D 01/18, which are now withdrawn, and supplements section 5.1 of IMCA international code of practice for offshore diving (IMCA D 014). 1           Diver Certificates The acceptance criteria for diver training certificates to be recognised by the International

This content is only available to members.

| Information Note number 1394

IOGP-649: Seawater Pressure to Depth Conversions

Acknowledgements This Report was written by the Pressure to Depth Conversion Expert Group, part of IOGP’s Geomatics Committee, with contributions from the Surveying and Positioning Subcommittee, Geodesy Subcommittee, and the […]

| Information Note number 1642

Extension of temporary scheme for experienced air diving supervisors wishing to gain IMCA air diving supervisor certificates where Brazilian Portuguese is the primary working language

This Information Note supersedes IMCA Information Note 1471 Temporary scheme for experienced air diving supervisors wishing to gain IMCA air diving supervisor certificates where Portuguese is the primary working language which is withdrawn. Background Through a consultation process, IMCA became aware that interested parties in Brazil were struggling to meet

This content is only available to members.

| Information Note number 1641


COBRA Breathing Hose Connection Issues – JFD Guidance Note

Members’ attention is brought to the recent Guidance Note issued by JFD relating to breathing hose connection issues. For convenience, the Guidance Note has been attached overleaf as an appendix to this document, but it can also be found online at: https://www.jfdglobal.com/files/4016/8614/6021/DB500-PGN-24R0_Breathing_Hose_Guidance.pdf. For more information, please contact [email protected]

| Information Note number 1637

COBRA Bailout System: Various Issues – JFD Guidance Note

Members’ attention is brought to the recent Guidance Note issued by JFD relating to various issues on the Compact Bailout Rebreathing Apparatus (COBRA) that have occurred recently and to provide information on future changes. For convenience, the Guidance Note has been attached below as an appendix to this document, but

| Information Note number 1636

Cybersecurity Briefing

The International Association of Classification Societies (IACS) has recently published new unified requirements for cyber security: E26 and E27.  These will be mandatory for classed ships and offshore installations contracted for construction on or after 1 January 2024.  This will have implications for IMCA members.

| Information Note number 1639


Diver Training Certificates – IMCA Acceptance Criteria

IMCA recognises that professional divers are trained for a wide variety of purposes. IMCA will only accept training that is open to all and is directed towards the development of divers for offshore operations. IMCA will not recognise diver qualifications developed for other purposes e.g., military diver training.

| Information Note number 1385

IMCA Minimum Criteria for Offshore Surface Supplied Diver Training

Divers undertaking an offshore surface supplied diver training programme must undertake dives in a range of depths to the maximum depth of the qualification.  Upon completion of the programme, they must be competent to operate safely as a surface supplied diver in an offshore environment.  It is also expected that

| Information Note number 1384


Combined Heading/Motion and Gyro Sensor Concerns

The IMCA DP Committee has been made aware of potential common-mode failures regarding Combined Gyro Compass and Motion Reference Sensors (MRU). These potential failures are discussed below and must be understood and considered while using/updating/purchasing combination MRU/Gyro, or gyro sensors that may rely on a GNSS signal to remain functional.

| Information Note number 1633

Withdrawal of UK Legislation Module Examination

With effect from the date of publication of this Information Note IMCA will no longer be offering the UK Legislation module examination as part of the IMCA diving supervisor and LST certification schemes. As of 27 February 2023, IMCA will cease to take all new bookings for the UK legislation

| Information Note number 1632

Shipping Industry Indian Ocean High Risk Area

The Joint Industry Security Group of Trade Associations, comprising BIMCO, CLIA (Cruise Lines International Association), the International Chamber of Shipping, Intercargo, Intertanko, IMCA and OCIMF (the Oil Companies International Marine […]

| Information Note number 1631

COBRA Bailout System: Top Handle Failure

Members’ attention is brought to the recent Guidance Note issued by JFD relating to the failure of the top handle on a COBRA set while the set was being hoisted.

| Information Note number 1630


Field Arrival Trials

What are Field Arrival Trials? A pre-defined programme of tests and checks to be performed prior to the entry into the area of operation that are designed to confirm the […]

| Information Note number 1628


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