You can download these files from the AVSIM Library here.

	
	
Flight Simulator X - AI Aircraft
AIG Pilatus PC12 NGX Get1Jet by Leon Yoda

Prepar3D V5 - AI Aircraft
P3DV4-5 TFS Dash8-400 Avanti Air by Joel Branchu

Prepar3D V1-4 - Aircraft Repaints, Textures and Modifications
Boeing 747-400BCF PW Cargolux LX-ACV by Miguel Angel Taboada
Boeing 737-800 Sun Country Airlines N816SY by Miguel Angel Taboada
Boeing 737-800 Mavi Gok Airlines TC-MGC by Miguel Angel Taboada