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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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IMO 2020

A package of instruments in connection with the Sulphur cap On 1 January 2020 the global 0.50% limit for the sulphur content in fuel oil agreed by the International Maritime […]

| Information Note number 1454

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



The nautical institute ballast control operator training scheme accreditation standard

The Nautical Institute (NI) launched this training scheme and standard in August 2019.  It was developed by the NI to be consistent with the relevant sections of IMO resolution 1079(28).  The Training Standard should be read and implemented in conjunction with this IMO Resolution.  The training course and standard have

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| Information Note number 1450 | Original reference(s) IMCA M 04/19

Considerations for walk to work and multi operation vessels – regulatory guidance

The UK HSE have recently published guidance on walk to work systems, please see attached link http://www.hse.gov.uk/osdr/assets/docs/is1-2019.pdf . Although written for the oil and gas sector much of the content could also be used beneficially in the offshore wind industry. If you have any queries please contact Andy Goldsmith [email protected].

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| Information Note number 1449 | Original reference(s) IMCA M 03/19

The nautical institute dynamic positioning training executive group (NI DPTEG) minutes and action points, May 2019

These are the minutes and action points of the DPTEG meeting held in May 2019. Please direct comments or questions to Andy Goldsmith [email protected]. Originally issued with the following reference(s): IMCA M 02/19

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| Information Note number 1448 | Original reference(s) IMCA M 02/19

Toolbox talk prompts – CTV transfer with DP vessel

This information note was produced under the supervision of the IMCA Marine Renewable Energy Committee.  Prior to a personnel transfer to or from a DP vessel, check and confirm that: Combined responsibility: Weather windows are suitable and communicated to allow transfer;Site and task risk assessments are available to cover specific

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| Information Note number 1447 | Original reference(s) IMCA M 01/19


Leading key performance indicators (KPIs)

This briefing provides information on some of the more common leading key performance indicators (KPIs) used by IMCA members. Leading indicators are measures that precede or indicate the likelihood of an unwanted health and safety event happening, and such indicators can be used in an inherently proactive way to drive

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| Information Note number 1445 | Original reference(s) IMCA HSSE 01/19

Shallow water survey operations

Members in certain areas, notably, parts of the Middle East, have suggested the possibility of IMCA guidance on shallow water surveying being developed.  The Offshore Survey Division Management Committee (OSDMC) notes that there are existing resources available on this topic, which will be of use and interest to members.  This

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| Information Note number 1444 | Original reference(s) IMCA S 03/19

IMCA security bulletin 03/19

The IMCA Security Committee is determined to raise awareness of security issues that can potentially harm member companies.  Information provided in this regular Security Bulletin is intended to be used by members to either directly pass on to employees or use the material it contains as part of an existing

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| Information Note number 1443

Results of 2019 Membership Survey

Below is a link to the results from the Membership Survey carried out this year. Thank you to those members who took the time to complete the survey. IMCA member survey 2019 – results

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| Information Note number 1442

Safety statistics for IMCA contractor members: 2018

IMCA has produced an annual report of safety and environment statistics (covering fatalities, injuries and environmental indicators) supplied by contractor members since 1997.  IMCA’s HSSE Core Committee recognises that the publication of safety statistics is considered an important and useful service to members. The safety statistics are available as a

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| Information Note number 1478


IMCA Update – Revision of Bye Laws

You may remember that last year we made some limited amendments to our Bye-laws, which have been implemented in full. At the time, I noted that this would be an […]

| Information Note number 1439

Changes in IMCA Exam Resit Protocol

During a recent Diving Division Management Committee meeting a review of the revised IMCA examination resit protocol issued in September 2018 was discussed. All accepted the posts of diving supervisor and […]

| Information Note number 1438 | Original reference(s) IMCA D 05/19

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 | Original reference(s) IMCA D 04/19

GNSS interference, jamming and spoofing

This briefing provides a brief overview of global navigation satellite system (GNSS) interference, jamming and spoofing. Interference is the unintentional transmission of signals stopping the reception of the GNSS signals.Jamming is the intentional interference of the GNSS signal reception to deny the receiver GNSS signals.Spoofing is the practice of tricking

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| Information Note number 1436

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