i know of a guy in texas that sells them in 1-1:144 scale
the name is cbs models in deport tx phone number
i have been building some older Frontier models, I spent 14 years with the original airline, and have found a guy in calif who has decals in the red,orange color scheme
the name is atp airlinera america 800-321-1026
he is an old Central mechanic. If you need a model of the cv580 the guy in tx has them in resin. iF YOU KNOW OF ANY 580'S MODELS IN PLASTIC LET ME KNOW!