Overwrite this cab file with the originals. 

Two locations....


C:\Program Files\Lockheed Martin\Prepar3D v4\SimObjects\Airplanes\FLYSIM Cessna 441\panel.RDR_GNS

C:\Program Files\Lockheed Martin\Prepar3D v4\SimObjects\Airplanes\FLYSIM Cessna 441\panel.RDR_GTN


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Overwrite this Sound.cfg file with the originals.

Location....


C:\Program Files\Lockheed Martin\Prepar3D v4\SimObjects\Airplanes\FLYSIM Cessna 441\Sound 


