Safety Flash
Near-miss: Falling transponder on main deck
Near-miss: Falling transponder on main deck
- IMCA
- Safety Flash
- IMCA SF 11/13
- Crane and RiggingDropped ObjectsLifting OperationsManagement of Change
- Dropped objectsMechanical failure
- Lifting operationsRigging
- CraneWire rope
- Alarm managementFunctional testingManagement of changeOperating and work procedures
- Marine industry
- Vessel
Summary
During vessel lifting operations, a whip-line transponder caught in a crane sheave as the knuckle boom folded and fell onto the deck, without injury. Investigation identified disabled or defective hook-level alarms and unfollowed change procedures. Preventive actions included removing unnecessary transponders, improving operator awareness and testing alarms at each crane start.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Crane; cranes.
Classifications: Wire rope; steel wire rope.
Classifications: Alarm management.
Classifications: Functional testing; function test.
Classifications: Management of change; MOC; change management.
Classifications: Operating and work procedures.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
Preventive actions addressed transponder security, crane line behaviour and alarm testing during lifting operations.
IMCA SF 11/13. Themes: crane and rigging, dropped objects, lifting operations, management of change.