:

1.   Sound   C:\Program Files (x86)\Flight Simulator X\Sound

2.   SimObject\airplanes\   C:\Program Files (x86)\Flight Simulator X\SimObject\airplane

3.   Guages   C:\Program Files (x86)\Flight Simulator X\Guages

4.   Flights   C:\Program Files (x86)\Flight Simulator X\Flights

5.    Effects   C:\Program Files (x86)\Flight Simulator X\Effects