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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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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

Safe Use of Ladders and Stepladders

The Ladder Association, in co-operation with the UK Health and Safety Executive (HSE) has published Guidance Document LA455 on the safe use of ladders and stepladders, found here: https://ladderassociation.org.uk/la455/. In […]

| Included in IMCA Safety Flash 12/22

IOGP: Dropped object with potential for injury – riser release

What happened IOGP have released Safety Alert 334 relating to a dropped object incident during drilling operations on a Jack-up Mobile Offshore Drilling Unit. Following running of the completion in […]

| Included in IMCA Safety Flash 12/22

Process Safety Fundamentals – IOGP / Step Change

Step Change in Safety https://www.stepchangeinsafety.net/ has created a “Safety Moment” based on IOGP’s Process Safety Fundamentals with the inclusion of relevant incident examples. Whilst not all of the incidents occurred […]

| Included in IMCA Safety Flash 12/22


MSF: Manual Handling Injury During Bulk Hose Operations

What happened The Marine Safety Forum (MSF) has published Safety Alert 22-07 regarding an incident where a crewman was injured during hose handling operations. The incident occurred when a vessel […]

| Included in IMCA Safety Flash 11/22

Maintenance and painting – two incidents

What happened A member reports two incidents in which something went wrong owing to failures in the maintenance process. Incident 1: Material failure during lowering of lifeboat During lowering of […]

| Included in IMCA Safety Flash 11/22

MAIB: Loss of containers overboard – task seen as routine

The UK Marine Accident Investigation Branch (MAIB) has completed a preliminary assessment into an incident where 34 containers were lost overboard. What happened On 31 October 2020, 34 containers were […]

| Included in IMCA Safety Flash 11/22



MAIB: Blockage of fixed CO2 fire extinguishing system pilot hoses

The UK Marine Accident Investigation Branch (MAIB) has published Safety Bulletin 1/2022 into a fire on board a roll-on/roll-off cargo ship in September 2021. What happened A fire broke out […]

| Included in IMCA Safety Flash 10/22

Subsea transponder wire parted

What happened A tripod positioning transponder wire parted from the tripod framework whilst the vessel was repositioning and needed to re-plumb the transponder. No assets were close by at time […]

| Included in IMCA Safety Flash 10/22

Diver experienced an air flow restriction

What happened At the beginning of an air dive at 23msw, a diver experienced an air flow restriction. The system used was considered as a Mobile Surface Supplied System, the […]

| Included in IMCA Safety Flash 10/22

COBRA System – Hose coupling cross threaded

What happened During diving operations, diver 1’s right-hand COBRA hose had a “champagne” leak coming from the connection at the hat. The diver was instructed to return to the bell […]

| Included in IMCA Safety Flash 10/22


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