... let alone how far out on finals it was or why.
Dude, i already told you.
Get your whitsunday VTC out. Aircraft went in the water at the northern tip of Dent island. I know that area very well, and can tell you thats about a 2nm final.
Why is a fancy new aircraft "throwing a piston" ..in the first place?? (if that is in fact what happened)...
Could be a million reasons... ECu failure causing overspeed, incorrect mixture, etc etc..
I have been told it sounded rough from the moment of lift off....