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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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Failed chain link – catastrophic failures in mooring system

The Bureau of Ocean Energy Management Regulations & Enforcement (BOEMRE) has published Safety Alert No. 296 regarding the catastrophic failure of a chain link in a mooring system, which could […]

| Included in IMCA Safety Flash 06/11

Confined space – multiple fatalities

IMCA has received information about a confined space incident in there were multiple fatalities. The incident occurred at an oil well on land. A workman entered a water tank that […]

| Included in IMCA Safety Flash 06/11

Person fell after safety lanyard failed

Information has been passed to IMCA regarding the possible failure of a certain kind of safety lanyard owing to manufacturing defects. The working at height equipment manufacturer, Petzl, reported that […]

| Included in IMCA Safety Flash 06/11

Confined space – multiple fatalities

An incident has been drawn to IMCA’s attention in which one man died and two men had to be hospitalised following entry into a confined space. The incident occurred when […]

| Included in IMCA Safety Flash 06/11

Failure of fall wire – fatality

The UK Marine Accident Investigation Branch (MAIB) has published Safety Bulletin 1/11 (attached) regarding an overweight rescue boat causing the failure of a fall wire and subsequent fatality. The incident […]

| Included in IMCA Safety Flash 05/11

Diver safety – high pressure water jetting

Updated August 2023: The Australian National Offshore Petroleum Safety Authority (NOPSA as was) published Safety Alert 46 (attached) regarding diver safety during high pressure water jetting operations. The alert highlights […]

| Included in IMCA Safety Flash 05/11

Anchor handling incident

A member has reported an incident in which a buoy was damaged during anchor handling operations. The incident occurred when recovering a buoy to deck; a lasso designed to catch […]

| Included in IMCA Safety Flash 05/11


Improper use of tools: bruising

A member has reported an incident in which a crewman was injured whilst using a power tool in an incorrect manner. A crewman on night shift was required by the […]

| Included in IMCA Safety Flash 05/11

Near-miss: security of equipment

A member has reported an incident in which an ROV launch and recovery system (LARS) arrived offshore with parts missing. The LARS arrived onboard the vessel without the pin connecting […]

| Included in IMCA Safety Flash 05/11

Hot work conducted within the 500 metres safety zone

A member has reported an incident in which someone was found conducting hot work on a vessel within the 500m safety zone of a platform. Whilst the platform personnel were […]

| Included in IMCA Safety Flash 04/11

Low pressure mud hose parted

A member has reported an incident in which a low pressure mud hose parted. The incident occurred during the disconnecting and lifting of the mud hose from a vessel to […]

| Included in IMCA Safety Flash 04/11

Crane boom dropped object

A member has reported an incident on an offshore construction vessel in which a piece of wood from the main crane boom rest cradle became detached from the cradle and […]

| Included in IMCA Safety Flash 04/11

Fake emergency escape breathing devices (EEBD sets)

The Marine Safety Forum (MSF) has published Safety Flash 11-09 (attached) regarding the discovery of EEBD that are fake copies of the Unitor/MSA type Uniscape 15H. As noted in the […]

| Included in IMCA Safety Flash 03/11


Failure of hydraulic fitting at pressure

A member reports an incident in which a hydraulic fitting failed under pressure. The hydraulic fitting was part of a hydraulic intensifier panel used during live testing of a guillotine […]

| Included in IMCA Safety Flash 03/11

Service bulletin – integrated flywheel generators (IFG)

A member recently reported an electrical fire inside its self-propelled hyperbaric lifeboats (SPHL). Service Bulletin 2010IWP091 (issued by Steyr Motors) was distributed to users at request of Oceanwide Safety at […]

| Included in IMCA Safety Flash 02/11

Serious hand injury during use of deck scaler

A member has reported an incident in which a crew member sustained a serious hand injury while using an air driven deck scaler during maintenance operations on deck. The crew […]

| Included in IMCA Safety Flash 02/11

Kirby Morgan SL 17C partially detached from neck dam

A member has reported that, following the investigation into a recent incident where a diver’s hat (Kirby Morgan SL 17C) became partially detached from the neck dam, the contractor involved […]

| Included in IMCA Safety Flash 02/11

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