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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
Technical Adviser - HSSE and Offshore Survey
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Man overboard from anchor handler tug

What happened A sub-contracted anchor handling tug was performing grapnel run activities using a long chain as a grapnel. Whilst overboarding the chain, a crew member lost balance and fell […]

| Included in IMCA Safety Flash 17/22

Incorrect operations result in failure of hoist

What happened A chain hoist failure resulted in a chain link breaking which caused an 800kg load to fall to deck from a height of 1 metre. Personnel were working […]

| Included in IMCA Safety Flash 17/22

Broken Chinese Finger

What happened During a reeving operation of the forward crane auxiliary hoist, there was a failure of a “Chinese Finger” between the messenger wire and auxiliary hoist wire. About 6m […]

| Included in IMCA Safety Flash 17/22

Damage to bulwarks during overboarding of mattresses

What happened During the overboarding of a mattress stack (3x 150mm mattresses) using a mattress frame, the mattresses made contact with the port side bulwarks causing damage.  Before and during […]

| Included in IMCA Safety Flash 16/22


Lost Time Injuries due to a failed mooring line

What happened? A vessel was mobilising and was moored stern to the quayside. It was moored with one aft mooring rope at each side and thruster control from the vessel, […]

| Included in IMCA Safety Flash 16/22

American P&I Club: Extreme bollard pull

The American P&I Club, as part of it’s “Good Catch” safety series, has published learnings from an incident where bollards were pulled right out of the ground of the dock […]

| Included in IMCA Safety Flash 16/22

BSEE/USCG: Dealing with extreme weather events

The United States Coastguard (USCG) and Bureau of Safety and Environmental Enforcement (BSEE) have each published a joint Safety Alert relating to the reasons for a drillship’s unsuccessful attempts to […]

| Included in IMCA Safety Flash 16/22

Infection: a scratched elbow turns into an LTI

What happened A technician banged an elbow whilst climbing out from under the slipring on a wind turbine generator. The technician notified the site manager that it was just a […]

| Included in IMCA Safety Flash 15/22

NTSB: watertight doors – vessel sank after flooding

The National Transportation Safety Board (NTSB) of the United States has published findings from an investigation into the flooding and sinking of a towing vessel. What happened A towing vessel […]

| Included in IMCA Safety Flash 15/22

Fire at sea – some timely reminders (Safety4Sea)

The online safety magazine https://safety4sea.com, which amongst other organisations, re-publishes IMCA safety flashes, has published an article entitled “Tackling fire onboard: Where we stand”. It is based on findings from […]

| Included in IMCA Safety Flash 15/22

High potential: electric shock near miss

What happened? An engineer suffered a minor electrical shock while troubleshooting a faulty 690V electric motor. The engineer checked the drive belt and then proceeded to measure the phases. Measuring […]

| Included in IMCA Safety Flash 15/22



MSF: Corrosion in fire-fighting equipment

What happened The Marine Safety Forum (MSF) has published Safety Alert 22-09 relating to observations involving the CO2 firefighting system onboard a  vessel. Significant corrosion was found during routine monthly […]

| Included in IMCA Safety Flash 13/22


USCG: Exceeding electrical duty rating can lead to failure

The United States Coastguard (USCG) has published Safety Alert 03-22 relating to the importance of verifying the condition and electrical duty ratings of the motor starter contactors in winch controllers […]

| Included in IMCA Safety Flash 13/22


Surface decompression near-miss

What happened? During surface decompression, following a SURDO2 42msw/40min dive, the depth of the chamber was unintentionally decreased from 12msw to 5msw forty minutes into the decompression. Immediately after this […]

| Included in IMCA Safety Flash 13/22

This is not a drill…an LTI during a drill (MSF)

What happened The Marine Safety Forum (MSF) reports in Safety Alert 22-08 an incident in which someone was injured during a drill. Crew on a vessel were undertaking a programme […]

| Included in IMCA Safety Flash 12/22

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