Investigation Report
Catastrophic failure of windlass hydraulic motor on oil tanker Stellar Voyager
Catastrophic failure of windlass hydraulic motor on oil tanker Stellar Voyager
- MAIB
- Investigation Report
- Unknown
- Machinery and EquipmentVessel and Mooring
- Line of fireMechanical failurePressure systems
- Anchor handling
- Rotating machinery
- Operating and work procedures
- Marine industry
- Vessel
Summary
Investigation synopsis of a windlass hydraulic motor failure aboard Stella Voyager during anchor recovery off Tees Bay. Motor fragments seriously injured the operator. Findings identify excessive anchor-chain tension and evidence of over-pressurisation. Recommendations address technical requirements, manufacturers’ failure investigations, safe anchor recovery and improved machinery information.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Anchor handling; anchor deployment.
Classifications: Rotating machinery; rotating equipment.
Classifications: Operating and work procedures.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Themes: machinery and equipment, vessel and mooring.