Stan,
I am afraid I do not understand your issue.
The chart plotter is not portable, the AH4000 sure isn't either.

If the question is: should you pull the wires (2) to connect the two
devices with the Seatalk buss?
The answer is Yes.

Matt Colie
www.yachtek.com


stan wrote:
Does anyone see any distinct advantage in hard wiring a Raymarine RC400
Chartplotter to a Raymarine 4000 autopilot?

Stan