Investigation Report
Lift-Boat Crane Rope Failure Injured Diver During Basket Lifting
03-30-2026 0935 00693 SP 27 Crane
- BSEE
- Investigation Report
- Unknown
- CorrosionDropped objectsLine of fireMechanical failure
- Diving operationsInspection and maintenanceLifting operations
- CraneWire rope
- Competence and trainingPositive retention and reliable securingPre-use checksPreventive maintenance
- Vessel
Summary
Investigates a lift-boat crane failure during diver-basket lifting at South Pass 27. A detached anti-two-block weight struck the wedge socket, causing rope failure; recoiling rope injured a diver. Findings identify corrosion, omitted cut-and-slip maintenance and pulley-related abrasion. Corrective measures include reinforced inspections, training and secondary retention.
Classifications: Corrosion; corrosion damage.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Diving operations; diving; commercial diving.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Wire rope; steel wire rope.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Positive retention and reliable securing.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Vessel; aboard ship; onboard vessel.