Recpilot

Why does no-one check the winds that day at nearby locations to see which way the wind was blowing, in line with how the winds were blowing pretty much every day that week... and see the truth of which runway they were using the day. That should clear up if they were taking off or landing and provide good evidence as to whether they were on finals descent or in the take-off climb.

5 hours ago, danny_galaga said:

Again, take this with a grain of salt, but I believe Armin had purchased the plane, and was going to lease it to the flying school. I was to be flying it to get back up.to speed with TD. Seems to me that Dave was giving him a 'type' rating for that plane. In any case getting him familiar with it. I feel that's the general situation.

 

But I don't know who ferried the plane from NSW. So the reverse could have been the case too if Armin was the seller and had ferried it , and then doing a few circuits with Dave to familiarise. 

The former is my understanding. Nigel ferried it from NSW not Dave or Armin. Likely Dave was giving him a type rating for it (of course owner would have first go once it hit the hangar) and would not have been in command. Dave drove Tecnams all day but not the tail dragger. It was new and about to become an option for Aerosport. Tail dragger has a much bigger rudder and more pronounced effect. A bit slow, maybe turb or shear knocked them around, given time of day, maybe Armin thought they were overshooting finals and then a bit too much rudder (maybe ok for the nose wheel Tecnam Dave drove all the time), or maybe it before Dave can correct him, or maybe at 80 years he might not have listened, a stall might have been recoverable but not a spin, all over. 9000 hours of experience just like that.