https://ysflight.org/
YSFLIGHT - The only free flight simulator where anything is possible.
Basic avionics, forgiving flight models, and uncomplicated weapons systems make YSFlight easy to learn, while a vibrant modding and online flight community...
the onlyfree flightysflightsimulatoranything
https://forum.ysfhq.com/
YSFlight Headquarters - Index page
ysflightheadquartersindex