I have downloaded and installed the RealSimGear_FSX-P3D-MSFS_Installer-1.6.2.1, prior to that removing the Realsimgear directory from the Community folder. The issues that I am currently experiencing are as follows: On start up the GNS 530 does not go through initialize process and goes straight …

Updating to latest PMS mod has resolved my issue. Thank you for your advice GhostlyFrend