Safety Flash
Main ROV lift umbilical parted
Main ROV lift umbilical parted
- IMCA
- Safety Flash
- IMCA SF 13/14
- Inspection and MaintenanceLifting OperationsMachinery and EquipmentMarine Operations
- Dropped objectsMechanical failure
- Lifting operationsROV operations
- Remotely operated vehicleWinch
- Operating and work procedures
- Marine industry
- Subsea
Summary
An ROV recovery incident involved a parted lift umbilical, with the vehicle and tether management system falling to the seabed and later being recovered. Investigation identified unrestricted winch pull with a short, thin umbilical and malfunctioning latches. Corrective actions addressed latch indications and procedures limiting pull below umbilical breaking strain.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: ROV operations; remotely operated vehicle operations.
Classifications: Remotely operated vehicle; ROV; underwater robot.
Classifications: Winch; winches.
Classifications: Operating and work procedures.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Subsea; underwater worksite.
Summary
An ROV umbilical parted during recovery because excessive winch pull combined with malfunctioning latches and a short umbilical.
IMCA SF 13/14. Themes: inspection and maintenance, lifting operations, machinery and equipment, marine operations.