Starboard king post rear stay base plate separated from wing deck

Cause & Consequence

• Other

Incident Location

Any Location Type

Incident Activity

Production operations

Incident Info Source

Step change in safety

Specific Incident Equipment

King post support structure

Lessons Identified

The original design did not anticipate that the weld to the rear stay base plate was not uniformly loaded

Incident Recommendations

As per the attached Songa Mercur King Post Failure presentation.