title_body: Free simulators to use when actual RC flying is not possible Due to the COVID-19 pandemic, I haven't been able to fly any RC aircraft for many weeks.
  
  Given that the pandemic shows no signs of slowing down, I'm preparing for the continuation of this situation for quite some time.
  
  To keep skills current, are there any good free RC simulators for airplanes, helicopters, or drones? I'm interested in web-apps, desktop software (for any OS), and even smartphone/tablet apps (for any OS too).
upvoted_answer: For quadrotors, there are simulators for racing drones, such as the DRL one Velocidrone.
  
  For camera platform drones you have droneSimPro, Liftoff or DJI's own one. There are loads of them, and the physics engines are all improving in all. A fair few are free or very cheap or have a free version.
  
  At the other end of the scale are programs like Phoenix R/C Pro - which has models for quads, helis and fixed-wing - and to be honest, if you plan to fly in any commercial aspect, at $200 it's worth paying the money for this one.