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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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Dropped objects from scaffolding

There have been several incidents where tools and equipment have been left inside scaffold tubes that are part of a scaffold structure. The picture is from an incident where a […]

| Included in IMCA Safety Flash 01/05

Driving policy

A member has recently issued a reminder to its employees of that company’s driving policy. Members may find the points below useful. It is understood that vehicular incidents and people […]

| Included in IMCA Safety Flash 01/05

Lifting techniques

Further to information given in the first IMCA pocket safety card Manual handling: Watch your back), a member has submitted the following notes which members may find useful: “The phrase […]

| Included in IMCA Safety Flash 01/05

Helideck foam sample

Further to information provided in information note Firefighting foam on helidecks, we have been provided with the following information arising from a foam sample test onboard a vessel with a […]

| Included in IMCA Safety Flash 01/05

Correct specification of shackles

Further to reports of counterfeit shackles appearing in West African and European markets (see Safety Flash 11/04 (Copies of Crosby shackles)), a member has reported ‘many counterfeit shackles and other […]

| Included in IMCA Safety Flash 01/05

Copies of Crosby shackles

A member has advised that while inspecting shackles in West Africa, it became evident several copies of Crosby shackles have been introduced to the marketplace. These shackles are said to […]

| Included in IMCA Safety Flash 11/04

Loss of position of DP DSV

A member has reported that a DP diving support vessel was in the midst of a diving operation when it rapidly moved off location by some 107 metres from the […]

| Included in IMCA Safety Flash 10/04

Lightning strike

A member has reported an incident which occurred while a yard rigger was preparing to lift some pipes from ground level. A sudden lightning strike struck the shore crane’s jib […]

| Included in IMCA Safety Flash 10/04


Uncontrolled decompression of diving bell

A member has reported an incident involving the uncontrolled decompression of a submersible decompression chamber (SDC) during diving operations. The three man bell vented to surface from 175 fsw when […]

| Included in IMCA Safety Flash 10/04

Head injury

A member reports that a diver, whilst working on deck, suffered a severe head injury while attempting to align two 8″ flanges on the deck of a DSV. The assembly […]

| Included in IMCA Safety Flash 10/04

Uncontrolled decompression during gangway move

A member has reported that a man-way trunk and its adjacent entry lock on a hyperbaric chamber were depressurised to surface when a fitting on the man-way was struck by […]

| Included in IMCA Safety Flash 09/04

Pipe handling frame incident during diving operation

A member has reported an incident while a pipe handling frame (PHF) was being lowered to a depth of 100 metres from a barge using its starboard crane when a […]

| Included in IMCA Safety Flash 09/04

Possible choking incident – diver’s helmet

While performing a task during a saturation dive, a man inhaled a 45mm diameter neoprene component from a diving helmet. The component has been identified by the supplier as a […]

| Included in IMCA Safety Flash 09/04

Disguised transportable gas cylinders

IMCA has been passed a copy of the attached safety alert issued by the European Industrial Gases Association (EIGA). A number of recent incidents have been reported in various locations […]

| Included in IMCA Safety Flash 08/04

Diving helmets – damage to emergency valve

IMCA has received the attached Caution Bulletin (number 1 of 2004) issued by Kirby Morgan Dive Systems relating to possible damage to emergency valve main body between male pipe threads […]

| Included in IMCA Safety Flash 08/04

Exhaust valve cage assembly blow-out

A member has reported the following serious incident which occurred aboard one of its vessels. It has been categorised by the company as ‘near miss fatality’ – fortunately the only […]

| Included in IMCA Safety Flash 07/04

Heave compensation software anomaly

A member has reported the following information relating to an incident which occurred on one of its vessels fitted with a Huisman crane, which is considered important for all cranes […]

| Included in IMCA Safety Flash 06/04

Underwater explosions

We have received reports from members of four separate incidents of underwater explosions occurring when oxy-arc cutting techniques have been in use: A diver was making corner holes in the […]

| Included in IMCA Safety Flash 05/04

Near-miss: Internal bell door

A member company has reported a near miss which occurred recently when a fitting failed due to corrosion. This was part of the hydraulic system for the handling of the […]

| Included in IMCA Safety Flash 05/04

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