Inflight Separation Of The Right Wing As A Result Of The Manufacturer’s Application Of A Bolt And Nut In The Upper Wing Strut Attachment Point That Was Inconsistent...
Analysis: The pilot was conducting a local flight when, about 15 minutes into the flight, a witness heard a loud “crack” and saw a wing separate and the airplane spiral down into the water. Postaccident examination of the wreckage revealed that the right wing had separated from the airplane and came to rest in trees about 700 ft from the main wreckage. The airplane incorporated a foldable wing design that was provided as an option by the manufacturer. When on the ground, the wings detached from the upper fuselage and rotated about the wing str