These are the settings that work for me. I confirm export with NifSkope.
Game=Star Trek:Bridge Commander
Version=3.1
User=0
Auto Detect=Off
Default Texture Prefix=textures
Check "Zero Transforms" under mesh
Check "Export Skin Modifier" under Skin Modifier
Bones Per Partition=18
Bones Per Vertex=4
Animation=Nif w/o animation
Priority=0.0
Good luck, -BCAriakas 
