This Upgrade changes out the Old GPS 500 for a Avidyne EX500
You Must Own the KingAir 200 Aswell as the Carenado PA-34 Seneca II.
This is Only a Panel cfg file!!
http://www.carenado.com/CarSite/Portal/index.php
Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.