Investigation Report
Safety warning about the securing of retractable keels or retractable weighted centreboards
Safety warning about the securing of retractable keels or retractable weighted centreboards
- MAIB
- Investigation Report
- Structural and Asset IntegrityVessel and Mooring
- Loss of vessel stability
- Marine operations
- Evacuation, escape and rescuePositive retention and reliable securingPre-use checks
- Vessel
Summary
This safety bulletin examines a fatal sailing-boat capsize on Windermere in which an unsecured retractable keel withdrew and a disabled crewman became trapped beneath the inverted hull. It recommends checking keel or weighted-centreboard securing arrangements before use and including retracted-keel scenarios in capsize recovery procedures and drills.
Classifications: Loss of vessel stability; capsize; vessel stability.
Classifications: Marine operations; maritime operations.
Classifications: Evacuation, escape and rescue; EER; escape and rescue.
Classifications: Positive retention and reliable securing.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
Urgent safety lesson issued after a fatal inversion of a sailing boat with a retractable keel.
Themes: structural and asset integrity, vessel and mooring.