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ERAU Mishap in Daytona

BACONATOR

Well-Known Member
pilot
Contributor
This is an eerie coincidence to have such a rare material failure while at ASO literally talking about this very subject: stress risers, fatigue failure, etc. It's baffling how there doesn't appear to be any signs of corrosion, cracks, or other stress risers. I wonder if there's more being done at the materials lab under microscopy to see how the fatigue failure propagated, or if the EI stuff has already been completed.
 

xj220

Will fly for food.
pilot
Contributor
This plane was only 11 years old. If I read the report correctly, it sounds like it had been over stressed at one point and the internal structure suffered permanent damage that allowed corrosion to take root and weaken the structure further.
 

BACONATOR

Well-Known Member
pilot
Contributor
This plane was only 11 years old. If I read the report correctly, it sounds like it had been over stressed at one point and the internal structure suffered permanent damage that allowed corrosion to take root and weaken the structure further.
Where did you read that? The prelim says no visual signs of corrosion or prior defect was noted. I expect more detailed investigation will find something.

"2). None of the surfaces exhibited visible evidence of corrosion or other preexisting damage. The right wing also exhibited fatigue cracks in the lower spar cap at the same hole location extending up to 0.047-inch deep."
 

Griz882

Frightening children with the Griz-O-Copter!
pilot
Contributor
It looks like the Air Force lost an F-16 near Lake Havasu. From what I can pilot ejected safely.

E6A7FA0D-5361-452D-A45B-92593B525C30.jpeg
 
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