Few pieces of carry-on equipment that are plugged into comms or power are certified, ie cellphones, cd players ect.
The AS 350 and the robbo encourage the use of accessories by providing accessory sockets.
Most of the spinning mass gyros fixed to these mounts can be run on batteries anyway.
Is campaign saying that nothing can be switched on in the cockpit that is not approved? so use of a laptop is banned? a camcorder?
FAA released guidelines for electrical carry on kit in FADEC aircraft, their main concern is high power RF transmission aerials installed closer than 1 meter to the FADEC computer.
But well intentioned engineers baulk when we turn up with a collection of electrical kit to install into their Fadec heli. Generally they are ill informed.
Mickjoebill