Safety Flash
Serious DP diving incident
Serious DP diving incident
- IMCA
- Safety Flash
- IMCA SF 02/13
- DivingEmergency ResponseMarine OperationsVessel and Mooring
- Learning from incidentsLoss of station keeping
- Diving operationsDynamic positioningSaturation diving
- Diver umbilicalDiving bell
- Evacuation, escape and rescue
- Marine industry
- SubseaVessel
Summary
A diving support vessel lost DP control following RBUS communication failure and drifted 240 m. A diver’s snagged umbilical severed, interrupting gas, hot water and communications. The flash describes recovery and medical monitoring, investigation findings without a definitive jamming cause, a firmware remedy and an improvement project for diving and marine operations.
Classifications: Learning from incidents; incident learning; lessons learnt; lessons learned.
Classifications: Loss of station keeping; drive-off; drift-off.
Classifications: Diving operations; diving; commercial diving.
Classifications: Dynamic positioning; DP; DP operations.
Classifications: Saturation diving; sat diving.
Classifications: Diver umbilical; diving umbilical.
Classifications: Diving bell; closed bell; wet bell.
Classifications: Evacuation, escape and rescue; EER; escape and rescue.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Subsea; underwater worksite.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A member has reported an incident during diving operations when the Dive Support Vessel (DSV) suffered a DP Control System failure and consequent uncontrolled vessel movement.
IMCA SF 02/13. Themes: diving, emergency response, marine operations, vessel and mooring.