From the comfort of my Antipodean armchair, the reasons for his, descent speed, flight profile and landing spot are bleeding obvious.
As we all know, when faced with a engine failure in such a machine a secondary safety factor immediately is faced.....
The loss of seal on the sphincter valve, as such the obvious landing spot for safety will be the "Bog".
As as anyone knows when this happens you are in a damn hurry to get there.