Speeds high
I think VD is part of the type certification process and a percentage over Vmo. I don't think the implication is that one can exceed Vmo, but it's be pretty sad if the machine fell to bits if one did.
I've never seen it published in an AFM but recall the Bombardier DH8 test pilot telling a story years ago of performing a VD test on the DH8-300 during certification when the gear decided to extend at some 100 odd KIAS above Vlg, without any bits leaving the airframe!
