I've confirmed that changing the ATC switch in the Aerosoft CRJ does not trigger the particular SimConnect variable that vPilot uses to automatically trigger Mode C. That means that, for right now, you will manually need to enable Mode C in vPilot. The CRJ does set the squawk code in the correct SimConnect variable, so the code is communicated correctly, but not the transponder state.   In my own integration, I've made a small button for myself that automatically sets the SimConnect tr