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IMCA safety flashes disseminate important information on incidents and potential hazards and the lessons learnt from them that can help prevent incidents occurring elsewhere in the industry.

Individual safety events are available individually online, tagged and searchable, while the traditional PDF collections are also available for download.

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All members are encouraged to contribute relevant safety-related information – please visit our Safety Flash Reporting page for details on the submission process.

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Nicholas Hough
Consultant - Safety and Security
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Diver’s lost gas incident

A member has reported a lost gas incident that occurred with two of its divers on a third party vessel. They do not normally dive from this vessel and were […]

| Included in IMCA Safety Flash 01/04


Incident involving a McKissick N419 snatch block

IMCA recently received notification of an incident involving a particular type of snatch block, which could be knocked apart if the bolt and hairpin were removed and the block left […]

| Included in IMCA Safety Flash 13/03

Faulty directional flow arrow on valve

A member has reported the following safety issue concerning incorrectly machined valves. During general maintenance on a diver’s emergency gas manifold which was fitted in an air diving basket, a […]

| Included in IMCA Safety Flash 13/03

Regulator fire

This incident was originally included in safety flash 11/03, but the flash is being reissued in the light of additional feedback on the recommendations previously given. The earlier version has […]

| Included in IMCA Safety Flash 12/03

Near-miss involving diver’s neck dam

We were recently provided with and issued details of a ‘high potential’ near-miss incident involving failings in a saturation diver’s personal protective equipment. This information was issued as part of […]

| Included in IMCA Safety Flash 12/03

Loss of mooring chain to FPSO

A planned ‘routine’ maintenance operation was in progress, to individually move each of eight anchor chains, to a pre-arranged plan, to ensure that the chain links were not subject to […]

| Included in IMCA Safety Flash 11/03

Follow-up to Toxic gas emission from transponder (lithium batteries)

Further to the information provided in safety flash 01/03 (Follow-up to Toxic gas emission from transponder (lithium batteries)), Kongsberg Simrad has now updated its transponder safety information. This can be […]

| Included in IMCA Safety Flash 11/03

Internal explosion within 12V forklift battery

A forklift battery was found to be flat and it was changed out with a replacement that was held onboard and tested per procedures, the forklift was also function tested […]

| Included in IMCA Safety Flash 11/03

Airline coupling failure

We have received the following report of an incident which occurred during internal cleaning operations in a produced water de-gasser which was being undertaken by two contract cleaners. This vessel […]

| Included in IMCA Safety Flash 11/03

Topic working with tubulars – Incident report

While carrying out backloading operations at a rig, a crewman suffered a lost time injury. The operation being carried out at the time was the movement of tubulars to make […]

| Included in IMCA Safety Flash 11/03

Filtration materials

Please see the attached safety notice from Divex regarding filter materials for use in breathing air compressors.

| Included in IMCA Safety Flash 11/03

Fire inside Falcom steamer

We have received a report of an incident which began when a night cook baker, returning to the galley after his break, smelt burning. He then noticed that there was […]

| Included in IMCA Safety Flash 11/03

Incident involving a crane boom

We have received a report of an incident whereby a crane boom fell from an angle of 45° onto its rest. There was no one in the crane at the […]

| Included in IMCA Safety Flash 10/03

Diver fatality: Underwater explosion

A member has advised of a recent fatality, involving an experienced diver, which occurred during underwater cutting operations as part of a well stub removal project. The site conditions and […]

| Included in IMCA Safety Flash 10/03


Near-miss: Modification of machinery

A member has advised of the following near miss. A mechanic was working on a jet pump when a bracket holding the jet hose failed. The bracket was being used […]

| Included in IMCA Safety Flash 10/03

Machine guarding

Employee exposure to unguarded or inadequately guarded machines is prevalent in many workplaces. Amputations are one of the most severe and crippling types of injuries in the occupational workplace. All […]

| Included in IMCA Safety Flash 09/03


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