Investigation Report
Dragging anchor and grounding of tanker Willy
Dragging anchor and grounding of tanker Willy
- MAIB
- Investigation Report
- Unknown
- Marine OperationsVessel and Mooring
- Loss of station keepingVessel grounding
- Anchor handling
- Navigation and positioning equipment
- Marine industry
- Marine waters
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Summary
Investigation synopsis of Willy’s grounding after dragging anchor in Cawsand Bay. Contributing factors included insufficient cable for the conditions, delayed detection of movement, delayed notification of the master and insufficient time to make the engine available. The GPS guard zone exceeded the swinging-circle radius by almost three times.
Classifications: Loss of station keeping; drive-off; drift-off.
Classifications: Vessel grounding.
Classifications: Anchor handling; anchor deployment.
Classifications: Navigation and positioning equipment; ECDIS; AIS; chart plotters.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Marine waters.
Themes: marine operations, vessel and mooring.