[BF-109 F4]

I've seen this before, many times. "They tumble and roll and dig a big hole"... except they don't sometimes. The AI pilot screws up his forced landing, sheds his wings, tail and a whole lot of other junk and then the empty, shot up, dented fuselage comes to a stop and starts rolling over and over without blowing up. It's kind of silly, but they always eventually blow up in my experience, given enough time.

That's exactly what i wanted to say, unfortunately my English is limited. But there are more different cases like a while ago i shot down a B-17. A bad emergency landing made him lose a wing and half of the other. Every time the wing touched the ground the plane rolled to the opposite side and then rolled again to the wing's side then again when the wing touched the ground it rolled to opposite side and so on. It's those weird bugs that annoy me like a strange force interacting with the plane.