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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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Electrical flash burns

We have recently learned of this incident which occurred on an offshore installation. An electrician suffered superficial flash burns to his face, neck, ears and hands while operating a Merlin […]

| Included in IMCA Safety Flash 02/00

Interspiro diving mask

We have recently received the attached Information Note from Interspiro.

| Included in IMCA Safety Flash 02/00

Emergency communications system incident

An incident occurred onboard a member’s vessel where, as a result of flooding of the external battery pack for the through water communications, electronics in the communications unit were damaged. […]

| Included in IMCA Safety Flash 02/00

Grinding disc failures

One of our members has alerted us to a number of near misses from one of their vessels concerning the breaking up of grinding discs. The latest report states that […]

| Included in IMCA Safety Flash 02/00


Microwaving water

This domestic incident has recently been reported to us and may be of interest to all who use a microwave. The person involved in the incident decided to have a […]

| Included in IMCA Safety Flash 01/00

Lifeboat winch failure

A report of the UK’s Marine Accident Investigation Branch (MAIB) into the failure of a lifeboat winch on a cruise ship has concluded that the winch failed because the lubricating […]

| Included in IMCA Safety Flash 01/00

Thruster feedback incident

A drive-off position loss was experienced by one of our members’ vessels whilst it was operating in Class 2 alongside a platform. Upon investigation, the cause of the incident was […]

| Included in IMCA Safety Flash 01/00

Metrex M3610 multimeter incident

We have recently learned of an incident using a multimeter whilst a technician was investigating the 440 volt supply to an ROV. When he placed the instrument test lead across […]

| Included in IMCA Safety Flash 01/00

Diving helmet locking collars

One of our members has brought to our attention that certain Kirby Morgan diving helmets, type KMB 601, neck dam locking collars have been subjected to pitting during oxy-arc cutting […]

| Included in IMCA Safety Flash 01/00

Swivel ring flange failures

We have recently received the following information from one of our members. All diving personnel should exercise extreme caution when tightening a leaking swivel ring flange. Application of additional bolt […]

| Included in IMCA Safety Flash 01/00

Forged diving certificates

We have recently learned of irregularities coming to light on a project whose scope included a small inshore diving element. On audit, the diving company was discovered to have a […]

| Included in IMCA Safety Flash 07/99

Crane whip line incident

We have recently learned of a crane whip line, on an offshore crane, parting when lifting a concrete mat weighing 4.5 tonnes from the vessel deck. The load being lifted […]

| Included in IMCA Safety Flash 07/99

Crane accidents

Two accidents have recently been reported during a lifting operation on a fixed installation. The first accident happened during the lifting of a 13 tonne tank. When topping the boom […]

| Included in IMCA Safety Flash 07/99

Condition of container doors

One of our members has reported a failure of a container door on one of their vessels. The container door became unlatched during a period of moderate swell. The vessel […]

| Included in IMCA Safety Flash 07/99

Hydraulic hand pump (Enerpac) hose failure

A member has reported that while extending an hydraulic arm on a tooling system using a (enerpac) hydraulic pump, rated for 10,000 psi (680 bar), the output hose burst next […]

| Included in IMCA Safety Flash 07/99


Automatic control – navigation problem

We have recently had reported to us this near-miss concerning an ROV support vessel and an unmanned installation. The vessel was operating under automatic control with the platform selected in […]

| Included in IMCA Safety Flash 06/99

SOPEP oil booms

One of our members has alerted us to a problem with one type of SOPEP oil boom – type SMB40. SPOEP oil booms are normally manufactured using blown polypropylene as […]

| Included in IMCA Safety Flash 06/99

Lifeboat drop test

One of our members has recently experienced an incident during a lifeboat drop test carried out on three lifeboats. One of the three lifeboats failed its drop test due to […]

| Included in IMCA Safety Flash 05/99

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