I find it hard to believe any pilot in that area would not have "Mixture leaned" in their Checklist.
Yes, but, as Rumsfeld said, you don't know what you don't know. Experience can be a hard teacher, first comes the exam, then comes the lesson.
She said: ‘It seemed to accelerate normally down the runway and climbed normally initially but within a very short space of time it became obvious we weren’t going anywhere.
‘It wouldn’t climb. It never got over about 50ft. It was just a choice of a gradual turn and put the thing down and then it went into a bush.’
It did a full flip and ended up the right way up. The aeroplane is just destroyed