Schubach Aviation Challenger 601-3R for the JBAI model.
These are textures only.
The JBAI Challenger 604 model is required.
It can be found at https://library.avsim.net/esearch.php?CatID=fs2004aia&DLID=121019
The converted P3Dv4 model can be found here:
https://www.alpha-india.net/forums/index.php?topic=27454.msg
Flightplans available here: https://aibizjetproject.wordpress.com