that happenened to me, on september 2003,
the car flip in the air,, i invaded the wrong way... and the car just stops 4 meters facing the other way car...
it was a completely mess,,, i wansn't wearing my seabelt... i ended up, at the back of the car,,, no scratches in my body,,, i hit my head, took some x rays, and the doc said, i was normal
...