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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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IOGP releases version 1.1 of P1 and P2 formats for Geophysical Position Data Exchange

The International Association of Oil and Gas Producers (IOGP) has released version 1.1 of its P1 and P2 geophysical position data exchange formats.  Originally released in 2012 to replace the UKOOA P1/90 and P2/94 formats, the revised versions incorporate industry feedback from the first release and provide greater flexibility –

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| Information Note number 1274

Australian Maritime Safety Authority Marine Notice 07/2015: Piracy and Armed Robbery Against Ships

Members will wish to be aware that the Australian Maritime Safety Authority (AMSA) has recently issued guidance and advice to vessel owners, operators and masters on the subject of piracy and armed robbery against ships. The information is contained in AMSA Marine Notice 07/2015 which supersedes 15/2009 and is attached

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| Information Note number 1273

Recent release of BS EN 12021:2014 Respiratory Equipment – Compressed Gases for Breathing Apparatus

The finalised version of the British and European Standard BS EN 12021:2014 – Respiratory equipment – Compressed gases for breathing apparatus – was released in late 2014.  As well as its obvious application to diving breathing gas, the new BS EN 12021, which has superseded BS EN 12021:1999, is also

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| Information Note number 1271

Management change within IMCA secretariat

IMCA’s Chief Executive, Chris Charman, has stepped down, with immediate effect (as from 1 May).  Jane Bugler has become Acting Chief Executive, thus ensuring that IMCA is in very safe hands.  A new Chief Executive will be sought to take IMCA forward and continue to deliver ever more support for

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| Information Note number 1270


EU Working Time Directive Consultation – IMCA Response

The European Commission has been consulting on a review of the EU Working Time Directive (2003/88/EC).  The aim of the review is to identify what changes might be needed in […]

| Information Note number 1264

IMCA DP logbook completion

Updated February 2016 – please check for the latest version at www.imca-int.com/marine This information note is issued to provide additional guidance when making entries in the IMCA Dynamic Positioning (DP) […]

| Information Note number 1296

UK Offshore Helicopter Operations – New Passenger Size Limits: 1 April 2015

Companies operating in the UK sector are reminded that the new passenger size limits for offshore helicopters in the UK take effect from 1 April 2015. From 1 April 2015, the UK Civil Aviation Authority (CAA) will prohibit helicopter operators from carrying passengers on offshore flights, except in response to

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| Information Note number 1263

United States Commercial Diving Regulations – Proposed Changes

The United States Coast Guard has published proposed amendments to its commercial diving regulations. The Notice of Proposed Rulemaking (NPRM) is attached. The deadline for comments is 20 May 2015. The US Coast Guard is proposing to amend its regulations for commercial diving that is conducted from deepwater ports or

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| Information Note number 1262

UK HSE Clarification of Certain Revised Offshore Diving ACoP Requirements

In the United Kingdom the main set of regulations that apply to diving are the Diving at Work Regulations 1997 (DWR97). The Diving at Work Regulations cover all divers when one or more divers are at work, whether employed or self-employed.There are five Approved Codes of Practice (ACoPs) which give advice on

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| Information Note number 1261

UK Wind Farm Sector: Personnel Transfer Procedures (Amendment)

The UK Health & Safety Executive (HSE) has issued an amendment to its UK policy on personnel transfer procedures in the wind farm sector, notified to members in section briefing note IMCA E&A 01/15 (now withdrawn). The amendment clarifies the fact that it does not apply to vessel to vessel

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| Information Note number 1260

Umbilical/tether failure/damage report

Last year IMCA’s Remote Systems & ROV Division Management Committee identified that members have encountered failures and problems with ROV umbilicals and tethers. At the time the ROV committee agreed that the creation of a database of ROV umbilical or tether failure and damage incidents would be a useful addition

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| Information Note number 1259

The fitting of isolation valves and diffusers to trunkings on saturation diving systems

This IMCA information note is intended to provide information and give advice to diving contractors wishing to manage any possible hazards associated with balancing the need for divers in saturation to have unobstructed access through trunkings while providing protection against possible suction or pressure loss. 1       The Need to Provide

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| Information Note number 1257

HSE competency management guidelines for the geophysical industry

The International Association of Oil & Gas Producers (IOGP) has published a revised version of its HSE competency management guidelines for the geophysical industry. This revised report is intended as the geophysical industry base reference for HSE competency management and training. It has been updated significantly to provide guidance to all

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| Information Note number 1255

New HSE Diving ACoPs

The UK HSE has recently published the updated Offshore Diving Approved Code of Practice (ACoP) – L103 – Commercial diving projects offshore: ACoP and guidance (2nd edition). HSE notes that this publication sets out what you have to do to comply with the requirements of the Diving at Work Regulations

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| Information Note number 1248

E-guide for managing stress and psychosocial risks in the workplace

The European Agency for Safety and Health at Work (EU-OSHA) has launched an e-guide for managing stress and psychosocial risks in the workplace. As part of the Healthy Workplaces Manage Stress campaign, the European Agency for Safety and Health at Work (EU-OSHA) has launched its e-guide on managing stress and

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| Information Note number 1247


Competence validity periods

The issue of validity periods for competence assurance assessments has been revisited by the Competence & Training (C&T) core committee following feedback from member companies who now have established in-house competence assurance and assessment schemes in place. This information note supersedes the information notes on the same topic issued in

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| Information Note number 1243


OGP Geomatics Committee releases SeabedML Application Schema

The OGP (International Association of Oil & Gas Producers) Geomatics Committee’s Seabed Survey Data Model (SSDM) Task Force has published SeabedML, the Open Geospatial Consortium (OGC) Geography Markup Language (GML) Application Schema for SSDM version 1. OGC GML enables open data exchange of geographical features and is particularly useful on web-enabled

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| Information Note number 1239

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