Falling Object- Securing Pin from Main Block of Crane

Cause & Consequence

• Moving, flying or falling object

Incident Location

Drilling unit

Incident Activity

Lifting, crane, rigging, deck operations

Specific Incident Equipment

Main Block for Crane and Lynch Pins

Lessons Identified

• Lynch pins were not suitable for the environment or the application they were used for.
• Due to design, no secondary retention or robust securing held the securing pin in place.
• Operator failed to identify best practice recommendations for reliable securing by allowing lynch pins to be used for lifting equipment.

Incident Recommendations

Replace lynch pins with nut and thread bolt in main block

Follow DROPS Best Practice Guidelines for securing of lifting equipment

DROPS Training to be amended