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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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Fall through open hatch in walkway

A member has reported an incident onboard an offshore construction vessel in which a crew member fell through an unprotected hatch on a walkway on to the deck below. The […]

| Included in IMCA Safety Flash 08/08


Sikorsky S76A+ and S76A++ helicopters

Members using Sikorsky S76A+ and S76A++ helicopters are referred to the attached safety alert, originally issued via the OGP safety zone website (info.ogp.org.uk/safety) concerning engine failures resulting from faults in […]

| Included in IMCA Safety Flash 06/08

Report on the loss of the Bourbon Dolphin

IMCA has been alerted to the publication of the report of the Norwegian commission on the loss of the Bourbon Dolphin. The full report is available at the following web […]

| Included in IMCA Safety Flash 05/08


DDC chamber view-port catastrophic failure

IMCA has received the attached safety alert from the Association of Diving Contractors International. DDC Chamber View-port catastrophic failure This view-port was in a deck chamber where someone had placed […]

| Included in IMCA Safety Flash 04/08

Unauthorised modification to electrical plant equipment

A member has reported the discovery of unauthorised modifications to electrical equipment used by divers. During the onshore refurbishment of two dual diver CLP (camera, light and power) surface control […]

| Included in IMCA Safety Flash 04/08

Lifting incident

An incident has been drawn to IMCA’s attention in which a load was being moved from deck to engine room on a vessel at sea. The crated load slipped from […]

| Included in IMCA Safety Flash 03/08

ROV pilot injured by fibre optic glass

An incident has been reported to IMCA in which an ROV pilot working on an umbilical tether was injured by a shard of fibre optic material. Work was being conducted […]

| Included in IMCA Safety Flash 03/08

Lift bags broke free

A member has reported an incident in which lift bags broke free. Two ten-ton airbags had been deflated at the seabed in preparation for being lifted onboard the vessel. During […]

| Included in IMCA Safety Flash 02/08

Use of spelter sockets

A member has reported an incident onboard one of its vessel’s that has highlighted a potential safety issue for other IMCA member’s regarding the use of a particular type of […]

| Included in IMCA Safety Flash 02/08

Serious hand injury

A member has reported an incident in which a rigging foreman sustained a serious hand injury during operations to recover two redundant 4″ diameter rigid steel pipelines of around 16km […]

| Included in IMCA Safety Flash 02/08

Finger injury whilst casting off towing line

A member has reported an incident in which a crew member sustained a finger injury whilst trying to cast off a towing line. The crew member was asked to cast […]

| Included in IMCA Safety Flash 02/08

Management of simultaneous operations during demobilisation

A member has reported a serious incident onboard a barge during demobilisation in port. During the demobilisation, a member of the crew undertaking ‘routine’ disconnection of cables on deck was […]

| Included in IMCA Safety Flash 01/08

Divex HSE Alert HSE001-2007 – Valve seat retainer

Divex has asked IMCA to recirculate the attached Divex HSE Alert, first issued in IMCA Safety Flash 02/07 (Divex HSE Alert – Valve seat retainer), in order to ensure companies […]

| Included in IMCA Safety Flash 10/07


Failure of a high pressure gas charging hose

A member has reported the failure of a high pressure (HP) gas charging hose during routine gas decanting to top up the gas banks of a mobile surface supplied diving […]

| Included in IMCA Safety Flash 10/07

Bell contamination

A member has reported that during a recent diving project, a subsea fitting failure caused divers to become contaminated with a hazardous substance released from a hose under pressure. Diver […]

| Included in IMCA Safety Flash 10/07

Small fire caused by portable fan heater

A member has reported an incident in which a small fan heater caused a fire in a cabin. A crew member, on retiring to his bunk, switched on a portable […]

| Included in IMCA Safety Flash 10/07

Confined space fatality

A member has reported an incident onboard a vessel in dry dock involving a number of fatalities caused by an explosion in a confined space. The explosion occurred in a […]

| Included in IMCA Safety Flash 09/07

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