Fly Saint Air Bombardier Challenger 605 B-16888 for the JBAI model.
These are textures only.
The JBAI Challenger 605 model is required.
It can be found at https://library.avsim.net/download.php?DLID=155713
The converted P3Dv4 model can be found here:
https://www.alpha-india.net/forums/index.php?topic=27454.msg
Flightplans available here: https://oneclickhangar.com/forum/index.php?topic=14836.msg18562#msg18562