Community member Kalvin Perez (known on the X-Plane.org forums as ‘finksther’ has released his modification of the AS350B3.
Unfortunately, to fully appreciate the modification, you will need to do some work yourself as Kelvin is not allowed to share some objects, required to get the full effect.
Kelvin has made a tutorial, though, so you can learn and do all the changes required to get the full package working on this bird.