@SilsoeSid. While the answer might be simple -- even obvious -- when you know what it is the fact is you almost certainly don't have all the bits of the jigsaw to put together. Since the police are still appealing for witnesses who saw the helicopter maybe nobody does.
I can see you view solving this as a challenge but there are possibly aspects of this accident you will never know about.
deleted: SP
As you already know, often several things go wrong at once. Best wishes and take care.
Last edited by Senior Pilot; 8th Dec 2013 at 09:53.
Reason: As you say, you're not a helicopter pilot