Just to further develop the chat, I accept the the Longranger option is by far the best, does anybody out there have any experience or ideas on the major differences between the Collins or the Sfena Autopilot offerings, as both were offered by Bell in their original SP IFR kits. I am sure one must be better than the other, offer more options be operationally smoother or any other factor.
Any feed back would be most helpful for my project.