Helicopter EC135

I upgrade a 2017 rigged EC135 Helicopter
It is available for Blender 2.91 eevee and cycles

It’s available on blender market
https://blendermarket.com/products/helicopter-ec135-rigged

In the process, I upgrade the number of vertices :
578556 vertices with maximum subdivision
168095 vertices with subdivision 0

4 new design available and no pilot
The demo https://vimeo.com/490150888
The FAQ https://vimeo.com/490159442