Installing Ardupilot (FoxTech Paladin)

Hi - I have a hexacopter running on Paladin flight controller. I would like to format that and instal Ardupilot instead and use Mission Planner for gcs.
Is it possible?

Does not appear to be in the supported hardware list (nor does this have anything to do with Lua scripting).

Choosing an Autopilot — Copter documentation (