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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.

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Use of composite cylinders for diving and underwater operations

1           Background Composite cylinders are increasingly being used for diving and underwater operations.  However, IMCA Members should note that unfortunately not all such cylinders are suitable for underwater use or as part of a diver’s breathing apparatus. This Information Note is intended to assist users to identify composite cylinders that

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| Information Note number 1466

Amended IMCA training supplier member sub-categories – implications for diving course providers

1           Background In the past, training providers teaching in-water basic diver training courses that do not lead to the award of an IMCA recognised offshore diver training certificate[1] have applied for, and been awarded, Training Establishment Supplier Membership of IMCA.  As a result, they have been entitled to display the

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| Information Note number 1460


Surface swimmers

This information note supersedes the guidance currently contained within IMCA International Code of Practice for Offshore Diving (IMCA D 014). Background IMCA published Information Note IMCA D 04/12, outlining the considerations and limitations for using surface swimming as an operational means to complete tasks.  Such operational tasks may include: Inspection

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| Information Note number 1457


Nippon gases safety flash

IMCA has been made aware of two recent incidents where a supply of heliox gas was found to contain a quantity of argon rather than helium.  No injuries have been […]

| Information Note number 1453


Establishment of the International Diving Industry Forum

IMCA would like to advise its Diving Division members of the formation of the International Diving Industry Forum (IDIF).  The Forum has been established by three key industry stakeholders – the International Marine Contractors Association (IMCA); the Association of Diving Contractors International (ADCI); and the International Association of Oil and

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| Information Note number 1437

JFD product caution note relating to disposable gas conditioner cartridges for diver and chamber gas recovery systems

IMCA Diving Division members are asked to note that JFD has issued a Product Caution Notice to all customers who have procured any of the equipment listed below: B1562A DISPOSABLE CARTRIDGE SET, GASMIZER B1591A DISPOSABLE CARTRIDGE SET, GASPURE B1563 DISPOSABLE CARTRIDGE SET, AIR FILTER SYS, 2 SETS BO B1592A GASPURE

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| Information Note number 1430

Recent rise in forged ADAS diver training certificates

IMCA currently recognises the certificates listed in IMCA D 01/18 Diver and Diving Supervisor Certification for offshore diving under the IMCA International Code of Practice for Offshore Diving (IMCA D […]

| Information Note number 1428

Launch of revised IMCA LST Exam

As part of the ongoing revision of the IMCA exam system for Life Support Technicians (LST) and Diving Supervisors, IMCA is pleased to announce that it will be launching the […]

| Information Note number 1422

Counterfeit Kirby Morgan Bandmasks (KMB 28)

IMCA members should be aware that counterfeit Kirby Morgan 28 Bandmasks are being produced in China and sold as genuine products. The counterfeit items appear identical to the genuine Kirby […]

| Information Note number 1416





Revision of DMAC 07 and DMAC 13

DMAC 07 Rev. 2 – Flying after diving: Recommendations – and DMAC 13 Rev. 2 – Fitness to return to diving after decompression illness – have now been published. The revised guidance in DMAC 13 Rev. 2 takes into account current opinion concerning recovery from other forms of neurological and

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| Information Note number 1387


Publication of US Navy Diving Manual Revision 7

Diving Division members should note that Revision 7 of the US Navy Diving Manual was published by direction of Commander, Naval Sea Systems Command (NAVSEA) on 1 December 2016.  NAVSEA has also very helpfully published a detailed Executive Summary of the modifications introduced by Revision 7. There are a number

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| Information Note number 1351

Client auditing activities

Client companies have legal and moral responsibilities to select and work with competent contractors capable of consistently delivering safe and efficient marine projects.  In view of this, client companies employ a variety of measures to assure themselves that they only engage suitable contractors. Auditing is one of the most common

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| Information Note number 1349

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