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 […]
Safety Flashes
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.
Submit a Report
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
Contact
Safety Events
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
Staphylococcal infection in deep water saturation dive to 200 metres
A member has reported the following infection during a deepwater saturation dive. Nine divers were stored at 170 meters (557 feet) in the chambers, and were working at a bottom […]
Shore leave
A member has brought to IMCA’s attention that two of its offshore personnel were assaulted and seriously injured while their ships were in port and they were on shore leave. […]
Pipe stacking incident
A member has reported a near-miss which could have been a potentially serious incident, which occurred during the stacking of lengths of pipe. The pipe joints were being off-loaded from […]
Fire in switchboard room
A member has provide the following account of a fire which broke out in a carousel 660v switchboard room aboard one of its vessels. The purpose of the 660v switchboard […]
Remote pulling operations – Warning
A member has reported an incident which occurred while a diving support vessel was conducting subsea operations installing j-tube clamps on a jacket. In this particular case, divers had resumed […]
Diver struck by lifting frame while installing concrete mattresses
IMCA has received details of an incident which occurred offshore during concrete mattress installation. Divers were positioning the mattresses in approximately 37 feet of water. As a diver confirmed that […]
Serious injury in towing operation
We have received a report of an incident where three men working on the aft deck of a tug were seriously injured. The vessel had connected to a rig and […]
Divers’ umbilical management
IMCA has been made aware of a safety alert relating to divers’ umbilical management produced by the Western Australia Department of Industry and Resources’ Petroleum Division.
Change to Ultraflow Diaphragm Regulator
IMCA has been asked to help make the offshore diving industry aware of a change to the Ultraflow Regulator Diaphragm – please see the following Divex Product Bulletin on the […]
Confined space entry
IMCA has also been passed a copy of a safety alert produced by the United States Coast Guard relating to confined space entry, which follows.
2184 post(s)