On the back of the D180 next to the pitot and static ports inputs there is a small plug in another port on the left side if looking from the rear .
What is that port used for? In my recently purchased RV12 there is a small plastic clear hose which I can’t trace where it is going.
What is that port used for? In my recently purchased RV12 there is a small plastic clear hose which I can’t trace where it is going.