Gentlemen, I am not going to speculate on any of the reasons that led to today's event.
But, I have a question that might sound somewhat stupid - why, in your opinion are the winglets shredded off? The wings are pretty much intact, however both winglets have been broken. I think it is safe to say that the horizontal speed of the aircraft was pretty low and I just do not understand how the sudden vertical deceleration could case them to break off half-way up
