In Flight Breakup of N75654 - CAUTION: crash photos

[MichaelFarley56]

Probable cause released today.

http://www.ntsb.gov/aviationquery/brief ... 1705&key=1

Primary cause was fuel exhaustion followed by maneuvers that over stressed the airframe . Contributing factor was the kit manufacturer used a design guideline intended only for conventional tails.

So those "less than optimal building" findings shown in the pictures on the first page had nothing to do with the in flight breakup?

In this case, I don't believe it was considered a contributing factor.

[Bryan Cotton]

Probably because the angle failed in tension at the radius due to static overload. I wonder if the result would have been different had the aluminum washer holes been carrying their share of the load.