"Robert M. Gary" wrote in message
...
On Dec 29, 9:48 pm, "BT" wrote:
It may have been an "accident" when the unpiloted aircraft hit the trees.
But it the airplane did not accidentally start moving.. that would be
negligence on the grandfathers part

Wouldn't that still be an accident? Are you suggesting that if the
plane was not tied down it was a "on purpose"?

If one does not follow known procedure and safety guidelines and causes
injury.
Is it an accident that you did not do as instructed?
Or is it negligence.