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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.

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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  As well as its obvious application to diving breathing gas, the new BS EN 12021, which has superseded BS EN 12021:1999, is also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 | Original reference(s) IMCA SEL 03/15, IMCA D 07/15, IMCA M 05/15

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 | Original reference(s) IMCA D 04/15




Danish Maritime Authority issues new diving regulations

For those operating or bidding for diving work in Denmark your attention is drawn to the recently issued Consolidated Act number 69 on Diving Operations and Diving Equipment issued in January 2014 together with the following two orders affecting diving issued in December 2013; Order Number 1396 Offshore Diving Operations

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| Information Note number 1215 | Original reference(s) IMCA D 05/14


Rope signals

IMCA is concerned about the issue of skill fade in offshore divers who may need to rely on rope signals for communication should direct voice contact with the surface be lost. All offshore divers need to be fully competent in the use of rope signals.  This is so that divers

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| Information Note number 1212 | Original reference(s) IMCA D 03/14


Latex neck seals

Your attention is brought to UK Health & Safety Executive’s (HSE) Diving Inspectorate recently issued Safety Flash on the importance of sizing of latex neck seals used with diving equipment. http://www.hse.gov.uk/safetybulletins/latex-neck-seals.htm?eban=govdel-diving&cr=27-Nov-2013 Latex neck seals used in the diving industry need to be correctly fitted to the diver. The seals are

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| Information Note number 1196 | Original reference(s) IMCA D 14/13


Competence of auditors

Originally issued as IMCA D 07/13

| Information Note number 1170 | Original reference(s) IMCA D 07/13




Divers’ gas supply

Originally issued with the following reference(s): IMCA D 04/11

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| Information Note number 1057 | Original reference(s) IMCA D 04/11




The evaluation and testing of the environmental control of hyperbaric evacuation systems

Background In 1999, IMCA produced a protocol to provide information for its members on the thermal testing of hyperbaric evacuation systems (HESs). This was issued as information note IMCA D 24/99, with an extensive technical note (see right-hand panel) which provided the technical details for those responsible for testing and assessing

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| Information Note number 780 | Original reference(s) IMCA D 02/06

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