Investigation Report
Dragging anchor and grounding of liquid petroleum gas carrier Happy Lady
Dragging anchor and grounding of liquid petroleum gas carrier Happy Lady
- MAIB
- Investigation Report
- Marine OperationsVessel and Mooring
- Human factorsLearning from incidentsLoss of station keepingVessel grounding
- Anchor handlingNavigation
- Winch
- Operating and work proceduresOperational supervision
- Marine industry
- Marine watersVessel
Summary
Investigates Happy Lady’s grounding in the Thames estuary during anchor recovery in strong winds. The cable jammed around the bulbous bow and raked stem while the vessel dragged towards shoal water. Analysis addresses the master’s decisions, forecastle supervision, anchoring procedures and preservation of safety history when ownership changes.
Classifications: Human factors; human performance; ergonomics.
Classifications: Learning from incidents; incident learning; lessons learnt; lessons learned.
Classifications: Loss of station keeping; drive-off; drift-off.
Classifications: Vessel grounding.
Classifications: Anchor handling; anchor deployment.
Classifications: Navigation; vessel navigation; passage planning.
Classifications: Winch; winches.
Classifications: Operating and work procedures.
Classifications: Operational supervision.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Marine waters.
Classifications: Vessel; aboard ship; onboard vessel.
Themes: marine operations, vessel and mooring.