SIM ACARS is a free flight tracking software valid for Microsoft Flight Simulator, Prepar3D and X-Plane. SIM ACARS can be used by Virtual Airlines to track pilot flights, but also can be used by pilots without the need of being part of a Virtual Airline.

​​Current version 1.4.0 (ReleaseCurrent version 1.4.0 (Released 11-October-2015)d 11-October-2015)