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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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Failure of ROV lift umbilical winch brake

Introduction One of our members has informed us of the following incident. An ROV system was providing subsea intervention support working from a drill rig in depths up to 2500msw. […]

| Included in IMCA Safety Flash 08/01

Checking of safety helmets

Our attention has been drawn to an injury on a drilling rig, when a heavy bolt fell 14 metres and hit a roughneck on the head. He was wearing a […]

| Included in IMCA Safety Flash 07/01

Oxy-arc cutting

The investigation into a diver fatality on a subsea structure involving oxy-arc cutting has identified that the most likely cause of the explosion was that gas trapped in a cavity […]

| Included in IMCA Safety Flash 07/01

Grinding stone incident

We have received information of an incident involving a cup grinding stone. In this incident, the cup stone exploded. However, the findings are considered applicable to any type of abrasive […]

| Included in IMCA Safety Flash 07/01

Explosion caused by ignition of paint vapour

A member has reported the following incident, whereby an explosion occurred in a tank on a barge. Fortunately, nobody was injured, but the incident resulted in significant structural damage to […]

| Included in IMCA Safety Flash 07/01

Dangerous occurrence involving a mobile crane

A member has notified us of a serious incident involving a mobile crane onboard one of its vessels. The crane was being utilised to install a spool piece subsea. The […]

| Included in IMCA Safety Flash 07/01

Failure of a shackle

A member has reported an incident which resulted in an injury to one of its crew, when an abandonment and recovery wire was being spooled off a winch. The shackle […]

| Included in IMCA Safety Flash 07/01

Fork lift truck operation

A recent incident on one of our members’ vessels occurred when working on an internal lifting tool, using a fork lift to lift and install grippers. The gripper fell off […]

| Included in IMCA Safety Flash 06/01

Use of hand-held disc grinders

One of our members has recently received the following information on an incident: A fatality occurred when a worker was using an air-powered disc grinder to cut grooves into cast […]

| Included in IMCA Safety Flash 06/01

Fast rescue boats (Zodiac)

One of our members has recently reported an incident on of its vessels, whereby a rigger crushed his hand between the zodiac and the structure. A similar incident was known […]

| Included in IMCA Safety Flash 06/01

Corrosion of band securing screw on diver band mask

A member has recently reported the failure of a band securing screw on a DSI Mrk 18B band mask. During the annual return to base for a full strip-down and […]

| Included in IMCA Safety Flash 06/01

Accidents when using power-operated watertight doors

A recent fatality involving such a door on an IMCA member’s vessel provided a timely reminder of the number of lives lost and the serious injuries caused by the incorrect […]

| Included in IMCA Safety Flash 05/01

Bail-out whip failures

We have a safety alert from Hydrasun Limited concerning reported failures of 3/8″ R6 hose type bail-out whip assemblies.

| Included in IMCA Safety Flash 01/10

Battery failure on lifejacket light

One of our members has reported that on one of their vessels they found that the battery to the lifejacket had swelled out, resulting in a ruptured battery. The maker […]

| Included in IMCA Safety Flash 03/01

Failure of bulk loading bag

Single trip tote bags are commonly used in the onshore construction industry for delivering quantities of building materials such as sand. Because of the convenience, they have been adopted in […]

| Included in IMCA Safety Flash 03/01

Workshop finger injury

A member has reported the following incident. A senior mechanical technician was involved in bleeding a hydraulic hose connected between an A-frame and a pump unit. The coupling was loosened […]

| Included in IMCA Safety Flash 03/01



Crane incident

We have received information concerning part of the manufacturer’s name plate, weighing 250g, falling off of an offshore crane on an offshore installation, landing 21m below on an over-side scaffold […]

| Included in IMCA Safety Flash 03/01

ROV personnel injury

One of our members has reported a serious injury which one of its personnel received while completing maintenance on an ROV manipulator. ROV personnel were in the process of repairing […]

| Included in IMCA Safety Flash 03/01

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