Partenavia P68B

X-Aerodynamics’ specialty is creating the best possible flight models for X-plane. The underlying flight-model is often overlooked since you can't 'see' it under the fancy 3D objects and high-resolution textures common today. 

With many years of X-plane as well as real-world flight experience, X-Aero builds flight-models to 97% or better accuracy, based on real aircraft performance figures.

X-Aerodynamics can create flight models for your special project, as well as for high-end payware models. See www.x-aerodynamics.com for details or discuss it on the x-plane.org forums