Its the FMA COPILOT Model CPD4 if you have a CP Heli. If you have a CCPM heli, its the FMA COPILOT Model CPD4.
I believe you are just saying the same thing here...
The CPD4 will handle mechanical mixing helicopters. The FS8 will handle CCPM helicopters.
See here: [link]http://www.fmadirect.com/[/link]
Rafael