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TFDI 717 Navigraph Data


One or two threads have mentioned a problem of the original 2016 Navigraph data showing up in the FMS, in spite of more recent Navigraph installer updates. One suggested solution was to install the data into the Lockheed Martin\Prepar3D v4\SimObjects\Airplanes\TFDi_Design_717 folder and not into the Lockheed Martin\Prepar3D v4\SimObjects\Airplanes\TFDi_Design_717\Data folder.

This is NOT the solution. The \Data folder is the correct folder. The solution is to delete the old (1610) navigationdata.mdb file from the \Data folder. Once that is done, the Navigraph installer will replace it with an up-to-date navigationdata.mdb. On the other hand, if the installer sees a navigationdata.mdb already in the \Data folder, then for some reason it does not replace it. A Navigraph error, but not an obvious one, because with other airplanes it will overwrite any older data. 

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