Perhaps investigators should look again at this one. The cause was weather related but still..
http://www.caa.co.za/Accidents%20and...ports/9281.pdf
They found "all four corners" at the crash site (so ruled out an inflight breakup) but...
"The horizontal and the vertical tailplane, including the tail wheel assembly, were entangled in a tree near the impact position.
while..
The impact sequence indicates that the aircraft was in a vertical nose-down attitude when it crashed in bushy terrain (Figure 15). The nose section, including the propeller, was embedded in a crater approximately one m in depth (Figure 16). The fuselage, which consists mainly of a composite type of material, shattered in a substantial number of pieces.