Avanti Air Bombardier Dash 8-Q400 FSX/P3D for the AIG Dash 8-Q300 base model.
These are FSX/P3D textures only. The AIG Dash 8-Q400 base model is required.
Model can be found here:
https://www.alpha-india.net/2022/10/01/aig-dash-8-series/
For MSFS please use the AIG Manager to install the model and the repaint.