PCHunt

Well Known Member
Sponsor
I have a Garmin GNC 250XL installed in my RV-6. Can a GNC 300XL be installed just by inserting it into the 250XL rack?

Or do I have to get a GNC300XL specific rack?
 
Yes

I did just that but you will get a "No altitude input" message for vnav but still works as advertised.