Very, very very unusual. I thought it was a relatively low energy crash before viewing amateur video that made it clear that near the end the nose was on the g

Very, very very unusual. I thought it was a relatively low energy crash before viewing amateur video that made it clear that near the end the nose was on the ground and the rest of the plane pivoted around it 270 degrees or more (!). The crash bled off energy in a slow, survivable way.