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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
Consultant - Safety and Security
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Near-miss during heavy lift operations

A member has reported a near-miss incident that occurred during a dual crane lift of a stinger being offloaded from a barge. Two cranes were required to unload a stinger […]

| Included in IMCA Safety Flash 10/05

Lost anchor chain

IMCA has received a report of a vessel losing one anchor and four lengths of chain cable during anchor handling. During the vessel’s previous dry docking, a number of chain […]

| Included in IMCA Safety Flash 10/05

Explosion in ballast tank causing loss of life

IMCA has received a report of an incident wherein during a repair job in a pre-load tank (ballast tank) onboard an oil rig at a repair yard, an explosion occurred […]

| Included in IMCA Safety Flash 10/05

Engine room fire

IMCA has received a report of an engine room fire. The master and crew handled the critical situation swiftly by releasing carbon dioxide. The fire was brought under control, but […]

| Included in IMCA Safety Flash 10/05

Crane wire failure

A member has reported a serious crane wire failure. A night-time recovery of a work-class ROV (weight 4.75 Te) was taking place onto a Class 2 DP survey vessel using […]

| Included in IMCA Safety Flash 10/05

Serious injury during crane operations

A member has reported a serious injury that occurred during crane operations on a third party vessel. The vessel had been released from towing a flexible riser and the tow-wire […]

| Included in IMCA Safety Flash 09/05


Diving bell clamp mating screws

A member has reported the following issue discovered during a ‘routine’ inspection prior to the commencement of saturation diving activities using a bottom-mating system. The bell mating screws and clamp […]

| Included in IMCA Safety Flash 08/05

Caution notice: Electric Gasmizer gas booster

IMCA has received the attached caution notice from Divex, which refers to modifications made to the ‘Electric Gasmizer’ divers gas recovery systems.

| Included in IMCA Safety Flash 08/05

Jellyfish incident

A member has reported an incident that occurred during surface diving operations offshore of Western Australia, whereby a diver was apparently stung by a Carukia barnesi jellyfish, which led the […]

| Included in IMCA Safety Flash 08/05

Product safety recall: Kongsberg RPT transponders

We have been passed the attached product information bulletin relating to Kongsberg transponder models RPT316, RPT319 and RPT324 and spare end cap assemblies which we have been asked to bring […]

| Included in IMCA Safety Flash 07/05

ROV free-fall incident

A member has reported an incident which resulted in a work-class remotely operated vehicle (ROV) free-falling approximately 10 metres into the sea during a recovery operation. No injuries occurred and […]

| Included in IMCA Safety Flash 07/05

Near-miss: Flooding of a diver’s helmet

A member has reported a near-miss that occurred during diving operations. A diver’s helmet – a Kirby Morgan Superlite 17B – flooded during the dive. Fortunately the diver was only […]

| Included in IMCA Safety Flash 06/05

Leaking oxygen valve

A member has reported an incident whereby which a diver experienced an oxygen leak from his cutting torch whilst on the seabed in around 27 msw. The leak came out […]

| Included in IMCA Safety Flash 06/05

Hand grinder injuries

An IMCA member has reported two recent injuries caused by the use of portable hand grinders. The first injury was due to the grinder wheel binding onto the weld being […]

| Included in IMCA Safety Flash 06/05

Caution notice: Kirby Morgan regulators

We have received the attached Caution Notice from Kirby Morgan relating to inconsistency in regulator assemblies (product number 505-069) that were manufactured between 1 January and 1 March 2005, of […]

| Included in IMCA Safety Flash 05/05

Pollution caused by burst hydraulic hose

A member has reported a pollution incident which occurred during recent diving operations. A hydraulic torque tool was deployed with the ship’s hydraulic down-line. The planned intervention was to operate […]

| Included in IMCA Safety Flash 05/05

Starting air system incident

A member has reported an incident which occurred during vessel management system trials, whereby an overpressure event occurred in the starboard engine room air start system. A company investigation team […]

| Included in IMCA Safety Flash 05/05


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