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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.

IMCA Contact

Nicholas Hough
Technical Adviser - HSSE and Offshore Survey
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Overloading of survival craft

We have received the safety alert below, issued by the US Minerals Management Service.

| Included in IMCA Safety Flash 02/01

Fall from height

One of our members has reported a fatal accident that has recently occurred on board on of their vessels. A rigger fell whilst undertaking maintenance activities in one of the […]

| Included in IMCA Safety Flash 02/01


Sea fastening

One of members has reported that recently, whilst one of their barges was being towed across the Atlantic, shelving around the barge was found to be moving due to inadequate […]

| Included in IMCA Safety Flash 01/01

Diving fatality

One of our members has reported the following diving fatality that occurred to a contract diver employed by a non-member company. During a surface supplied diving operation at a depth […]

| Included in IMCA Safety Flash 01/01

Incompatible threads on the bell onboard gas bottles

We have received a report from a diving support vessel (DSV) that during the re certification and testing of the bell onboard gas bottles, it was found that the pillar […]

| Included in IMCA Safety Flash 08/00

Dangerous transformers

One of our members has informed us that one of their vessels, operating in the Gulf of Mexico, has reported that a number of ‘dangerous transformers’ have appeared onboard from […]

| Included in IMCA Safety Flash 08/00

New concern related to Divex LP hoses

We have received the attached Divex Safety Notice regarding further failures of their LP hoses.

| Included in IMCA Safety Flash 07/00

Flat woven webbing slings made from man-made fibre

We have recently received the attached safety alert from Grampian Test & Certification Ltd. regarding potential problems in the manufacture of their slings.

| Included in IMCA Safety Flash 07/00

Anchor handling on deck

A member has reported a recent incident on board an anchor handling vessel which resulted in a serious injury to one of the deck crew. The cause of the injury […]

| Included in IMCA Safety Flash 07/00

Hydraulic injury to hand

Work was being undertaken servicing an engine. Immediately prior to the accident the first cylinder head had been removed using the equipment and procedures normally used for this task. The […]

| Included in IMCA Safety Flash 06/00

Serious fire extinguisher alert

We have received a report of a fatality whilst using a fire extinguisher. A worker was using a fire extinguisher to put out a small fire when the extinguisher suddenly […]

| Included in IMCA Safety Flash 06/00

Personnel lifting system fatality

We have learned of a fatality when a worker fell from a full body harness boatswain’s chair when ascending on a hoisting system. The initial information from the investigation team […]

| Included in IMCA Safety Flash 06/00

Transponder/beacon explosion

A member has reported on an incident which occurred when a mini transponder/beacon exploded, injuring an employee in the face. The injury was caused by the end piece of the […]

| Included in IMCA Safety Flash 06/00

Information on material change to SL-17 Yoke

Below is copied an information bulletin received from Divex. Change to Product Bulletin 2 of 2000: 3 Aug , 2000 (Revision of Bulletin 1 of 1999) Subject: Material change to […]

| Included in IMCA Safety Flash 05/00

Near-miss with cherry picker wire

While lowering a ladder using a cherry picker crane to a diver, the wire came off the drum and dropped uncontrolled to the seabed. The diver was well clear of […]

| Included in IMCA Safety Flash 05/00

Termination of elastic shock cords

We have recently learnt of a near miss where an ROV supervisor used an elasticated shock cord (bungee cord) to secure a television monitor in place. The cord was terminated […]

| Included in IMCA Safety Flash 05/00

Confined space incident

We have recently learnt of a tragic incident involving confined space entry. The two individuals were assigned to de-ballast 12″ of water from a tank on a cargo barge. This […]

| Included in IMCA Safety Flash 05/00

Gas transfer during demobilisation

Attached is a safety alert issued by the Department of Minerals and Energy, Western Australia, concerning an explosion which occurred during heliox transfer using a Williams & James compressor.

| Included in IMCA Safety Flash 04/00

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