August 13, 20223 yr Having installed MSFS shortly after its release in August 2020, I wanted to do a test flight, which I had also used frequently in FS 2004, in Pangnirtung (CYXP). CYXP was missing in MSFS, however, so my test flight failed. In the course of time I had searched for CYXP again and again, but the airfield was never included in MSFS. CYXP therefore fell into oblivion with me. In the meantime, I had installed Navigraph Navdata a few months ago and recently searched again for CYXP in Little Navmap. To my delight, CYXP was now present. It is displayed correctly in MSFS, so I tried to do my test flight. In doing so, I noticed that near the airfield my framerate drops from normally 25-30 fps to below 5 fps, making it nearly impossible to perform a correct approach. This does not even happen to me in KJFK or KLAX. CYXP, on the other hand, has no complex scenery at all. I then visited several airfields in northeastern Canada and it turned out that there are other places where my framerate drops like this, sometimes even below 1 fps, even though these places are in the middle of nowhere. These are the airfields CYLC, CYCY, CYAB, CYGT, CYUX, CYHA, CYKG, CYTE, CYAS, CYLU, CYLA, CYDP, CYZG, CYTQ, CYVP, CYFT, CYIK, CYAY. I have not yet checked other airfields. These are all airfields that were not originally present in MSFS and were "retrofitted" by Navigraph Navdata. The question is whether this is an error on my part, or whether there is an incompatibility of Navigraph Navdata? Has anyone experienced similar frame rate drops?
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