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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
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Failure of home-made equipment

The Marine Safety Forum has published safety flash 10/23 regarding an incident in which there was a potentially catastrophic failure of uncertified and ‘home-made’ equipment . a piece of chain […]

| Included in IMCA Safety Flash 01/11

Lifting operations – securing equipment

The Marine Safety Forum has published Safety Flash 11-02 regarding an incident in which, owing to a failure of communication, attempts were made to lift equipment which was still secured […]

| Included in IMCA Safety Flash 01/11

Serious failure of CO₂ fire-fighting system

The United States Coast Guard (USCG) has published Alerts 10(a)-10 abd 10(b)-10 regarding the failure of a CO2 fire-fighting system during a fire in a machinery space on board a […]

| Included in IMCA Safety Flash 01/11

Functional safety of control systems

Updated August 2023 The Australian National Offshore Petroleum Safety Authority (NOPSA) has recently published Safety Alert 45 regarding the functional safety of control systems. This is designed to raise awareness […]

| Included in IMCA Safety Flash 01/11

Inappropriate use of snap hooks

A member has reported that, in spite of efforts to prevent the practice, regular incidents involving the inappropriate use of hooks have continued to occur. A number of incidents have […]

| Included in IMCA Safety Flash 01/11

Broken right hand index finger

A member has reported an incident in which a worker broke the index finger on his right hand. During a maintenance period it became necessary to deballast a methanol tank. […]

| Included in IMCA Safety Flash 01/11

Subsea oxy-arc cutting – risk of explosion

The International Association of Oil & Gas producers (OGP) has published the attached safety flash (OGP safety alert number 227), entitled Subsea oxyarc cutting – risk of explosion. The information […]

| Included in IMCA Safety Flash 08/10

Right hand hit by flying wedge

A member has reported an incident in which a member of the crew was injured when a steel wedge came loose and hit him on the right hand. The injured […]

| Included in IMCA Safety Flash 08/10

Diver safety – nitrox generator use

The Australian National Offshore Petroleum Safety Authority (NOPSA) has published the attached safety alert (NOPSA safety alert 44). This information can also be found at http://www.nopsa.gov.au/alert/Alert44.pdf.

| Included in IMCA Safety Flash 08/10

Failure to calibrate MRU led to near-miss

A member has reported an incident in which a vessel crane made an uncontrolled payout of approximately 27 metres of winch wire. During crane operations to relocate an anode skid […]

| Included in IMCA Safety Flash 08/10

Lacerated chin caused by flying wedge

An incident has been bought to the attention of IMCA, in which a worker received a laceration to the chin. A worker was removing a steel wedge from the frame […]

| Included in IMCA Safety Flash 08/10

Welding of shackles

A member has reported that in spite of clear work instructions and procedures to the contrary, shackles and hooks at the worksite were being regularly modified by welding. Rigging suppliers […]

| Included in IMCA Safety Flash 08/10

Fatality: fall from height

A member has reorted an incident in which a worker was killed, falling 19 meters from a column walkway. The person was a fitter putting in place a final piece […]

| Included in IMCA Safety Flash 07/10

Precautions against jellyfish sting during diving operations

A member has reported that there has recently been a significant increase in the number of jellyfish in areas where previously few jellyfish had been encountered. Apart from the obvious […]

| Included in IMCA Safety Flash 07/10

Crewman fatally injured during mooring operations

A member has reported an incident in which a crewman suffered fatal injuries after being hit by a snapping chain and mooring rope connection. The incident occurred during mooring operations […]

| Included in IMCA Safety Flash 07/10

Near-miss: falling object

A member has reported an incident in which a falling object hit and destroyed someone’s hard hat. Two third-party ironworkers were setting the upper section of a structural steel tower. […]

| Included in IMCA Safety Flash 07/10


Tug capsized during operations

A member reports an incident in which a tug girted and capsized during towing operations. A third-party contractor’s tug was acting as a stern tug for a heavily laden barge […]

| Included in IMCA Safety Flash 06/10

Near-miss: safety device (hard link) damaged during hot work

A member has reported an incident in which a rope access technician (RAT) damaged his safety equipment during hot work. The technician was gouging out the weld connection around 8 […]

| Included in IMCA Safety Flash 06/10

Minor chest burns suffered by rope access technician

A member has reported an incident in which a rope access technician suffered minor spot burns on the chest during cutting operations. A 24 inch pipe approximately 4 metres above […]

| Included in IMCA Safety Flash 06/10

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