What happened During recovery of tugger winches on an A-frame workstation, the headache ball experienced normal movement when exiting the splash zone. However, in this instance, the headache ball came […]
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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
ROV main lift failure
A termination failed during launch of an ROV for a test dive, and the ROV/TMS assembly fell to the seabed. No-one was harmed. The umbilical termination slipped through the wirelock […]
Failure of 64mm polyester rope in subsea mooring operations
What happened A 64mm polyester rope parted during the lowering of subsea equipment to depth. The failure occurred between the Mooring Line Deployment Winch (MLDW) and the pennant, due to […]
Crew member stopped unsafe cargo operations
What happened During third-party cargo operations from the dock to the vessel it was noticed that the lift was being conducted using a wire set with no colour code and […]
UHMPE pull-in rope damaged during mooring connection to buoy
What happened A synthetic pull-in rope used in a subsea mooring operation was violently pulled out of the control of an ROV. The ROV was pulling the thimble side of […]
UK HSE: Employee in shipyard killed by falling steel post
The UK Health and Safety Executive (HSE) has prosecuted a shipbuilding and repair company after an employee was fatally injured when struck by a 10m steel post. See press release […]
Watch your hands!! person injured while using an angle grinder
What happened A member of the crew was badly injured whilst cutting a piece of wood using an angle grinder fitted with a cutting blade. He was cutting dunnage for […]
Cyber-security – malicious spoofing and phishing
The United States Coast Guard (USCG) has released very timely Marine Safety Information Bulletin (MSIB) 19-20 relating to malicious email spoofing incidents. The USCG notes that there are increasingly sophisticated […]
Vessel ran aground causing major hull damage
What happened A vessel left port and started a transit. During the first part of the voyage, the vessel was overtaking another vessel and the decision was made to pass […]
Use of damaged electrical equipment by dock workers
What happened Third-party crew working on a vessel being demobilised were observed using damaged electrical equipment. Third-party welders were preparing to weld the anchor sea-fastening onto the main deck aft. […]
Hydrogen Sulphide detected in a bilge tank
During routine transfer of bilge water from engine room bilge wells to the bilge water tank, the crew noticed the smell of “rotten eggs” from the bilge tank vent. Immediately […]
Dropped object: dislodged flex-joint laydown tool component
What happened? During removal of the anti-rotation/laydown tool from a Flex-Joint, a load-ring half plate, weighing 85kg, was inadvertently dislodged and dropped about 1.8m to deck. Crew on a J-Lay […]
USCG: Unexpected heavy weather dangers
The United States Coast Guard (USCG) has released Safety Alert 07-21 relating to the unexpected danger posed by weather at sea. The USCG notes: “Unexpected heavy weather events and rapid […]
Fuel oil hose burst during bunkering
What happened During bunkering a vessel in port, a 2” fuel oil hose burst. The hose burst as the fuel transfer rate was increased at the start of the operation. […]
Diver finger injury from Lionfish fin ray
What happened A diver suffered a finger injury from a Lionfish fin ray. The incident occurred during diving operations, when the diver went to pick up some tooling and the […]
MOB: person fell into water during gangway installation
What happened Deck crew were installing a portable gangway when a crew person fell into the water. The person was wearing full PPE and a life jacket and was recovered […]
MSF: Dropped object during cargo discharge operations
The Marine Safety Forum (MSF) has published Safety Alert 21-14 relating to a dropped object during cargo discharge operations. What happened A cargo ship loaded with cargo for the renewables […]
Shackle failure during over-boarding of pennant wire and ballast chain
What happened During over-boarding of the pennant wire and ballast chain from the main anchor handling winch over the stern roller, there was a failure in the chain link / […]
Failure of COBRA contents pressure gauge
What happened Whilst at the COBRA charging station in the bell hangar during project mobilisation, a diver was venting a COBRA unit, prior to charging. The diver opened the valve […]
Failure of first stage regulator low pressure (LP) blanking cap
What happened During a dive, a leak was noted coming from the first stage of diver #2’s regulator on the bail out bottle. Further inspection identified that the low-pressure port […]
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