Once I flew my first Eagle 2 trainer at a frozen lake in Anchorage, AK. The flight itself was absolutely flawless. The landing, however, didn't happen. Suffice to say my depth perception was a wee bit off. I had it on approach to land on the ice, and it just brushed the top of a 50' tall birch tree. The tree stopped it, and the plane sank into it about ten feet and stuck there. Man, I was pissed. I never did get it back.