For those interested, I think these are the main virtual ATC services: https://www.pilotedge.net https://www.pilotedge.net - paid service, used by student pilo

For those interested, I think these are the main virtual ATC services: https://www.pilotedge.net https://www.pilotedge.net - paid service, used by student pilots https://www.vatsim.net https://www.vatsim.net - totally free with regional chapters all over the world. Have their own certification system for pilots and ATC. Both of these work for multiple different flight simulators and not just MS FS. They work through an in game plugin that connects to their servers. Both take things pretty seriously.