Safety Flashes

During the recovery of two 400kg buoyancy blocks from the seabed a swaged eye of a strop failed and one of the blocks rose uncontrolled to the surface. No one […]

Recently it was reported that the end of a transponder stored in an on-shore workshop blew off. The transponder had been in storage for a couple of months after being […]

A number of incidents have been reported where loads have been dropped during subsea operations, with the following causes being identified: Failure of mechanical latches; Modified ‘off-the-shelf’ rigging; Lack of […]

A serious incident occurred on a fixed installation while dismantling a Unit – Mariner 3600 portable crane. Three people were seriously injured and a fourth was lost overboard and did […]

Whilst deploying an ROV using a Tekmar X-90 LARS launching system, the main umbilical sheave and docking assembly dropped approximately 0.5m leaving it supported only by the hydraulic roll control […]

Following a recent DP incident, which occurred when alongside a fixed installation, a contractor has issued the following safety notice. There was no damage or injury to either personnel or […]

During testing and operation of a bell blow down valve, a sintered bronze silencer/diffuser blew apart. Due to extensive fragmentation of the diffuser it has been impossible to determine the […]

During well decommissioning, problems were experienced when attempting to open two annulus swab valves on subsea trees. Several attempts were made to open the valves using diver intervention. Onshore inspection […]

A diver has been found to be suffering from tinnitus and ear pain. It is thought that this has been caused by using the bell emergency blow down with no […]

A contractor member has reported that they have experienced a number of potentially serious incidents involving electric shocks to personnel working on what was thought to be isolated electrical machinery […]

During a cargo transfer to a shuttle tanker, an FPSO suffered a loss of stability such that the vessel’s metacentric height was reduced well below that required by the installation’s […]

A recent incident has been reported to IMCA. The 350T/96m long boom of a derrick lay barge (DLB) 2500 short tonne revolving crane broke, crashed onto the deck, fell into […]

An incident occurred during the loading of a plate girder (weight approximately 12 tonnes) onto a cargo barge. As the girder was being lowered two out of the four certified […]

A member has alerted IMCA of a failure of a crane wire during the recovery of an ROV. As the ROV was being swung inboard by the ROV system, the […]

A contractor member has reported several near misses/incidents due to the positioning of quads, resulting in damage to regulator boxes and pillar valves. In order to address these incidents, the […]

An incident occurred on a DSV where a diver’s air supply became contaminated with fumes from an overheated electrical compound. This caused the diver to fall unconscious in the water. […]

An incident occurred during a cable laying operation, while in the process of slipping the final splice in 4,900 metres of water. As the cable end came off the top […]

A member has alerted IMCA to a fatal accident on a Drilling Rig. The accident involved an individual who was assisting to move a ROV hydraulic power pack, weighing 6,000 […]

When wiring up the trailing lead of a piece of ROV equipment to a junction box on the ship’s electrical supply, an electrician incorrectly identified the trailing lead wires and […]

During a vessel ROV mobilisation in port, a subcontractor’s 3-phase hydraulic power unit was connected to the vessel’s power supply. The unit was energised without either inspecting the third party […]