Investigation Report
Crane Hook Strikes Helicopter After Fastline Entanglement
02-10-2005 04:30 G21685 ST/308 Crane/Helicopter
- BSEE
- Investigation Report
- Unknown
- EntanglementLine of fire
- Lifting operations
- CraneHelicopterLifting accessories
- Stop-work authority
- Upstream oil and gas
- Offshore installation
Summary
An investigation describes a crane fastline becoming entangled in another crane’s walkway during preparations to retrieve a W/L unit. On release, the hook struck a helicopter’s main rotor blade and tail fin. The report identifies human error and early-morning darkness, stating that crane operations should have stopped when the entanglement was noticed.
Classifications: Entanglement; caught in machinery; drawn into machinery.
Classifications: Line of fire; struck-by hazards.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Helicopter; rotorcraft.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.