Originally Posted by
helispotter
From video on X, seemed like fuz / rotor disk was pitched up to around 60-70 degrees just before impact. Would a pilot intentionally do that to (say) wash off forward speed if this was indeed an autorotation??.
If you're going down through trees, tail first is a good option. I'm surprised the helicopter still had so much forward speed at the end of the big flare. Does the 139 have completely independent fuel system for each engine like the S76?