One of the biggest changes to Microsoft Flight Simulator 2020 that fans have been looking forward to is the addition of IFR or Instrument Flight Rules to the game. IFR flight allows pilots in the real world to fly their aircraft into clouds and weather systems where there’s no visibility outside the aircraft while maintaining complete control

Source: Hot Hardware – Microsoft Flight Simulator 2020 Alpha 3 Brings Highly Anticipated IFR Support For Pilots