StefanBravo 0 Posted October 3, 2020 Share Posted October 3, 2020 Hi, A few days ago I got a strange VNAV issue. My initial cruising level was FL390, and later FL410. However, from the beginning my legs page was of the opinion that my cruise level was FL370 and the MDF data on the ND showed a CLIMB FL120 instruction during the descent. Please login to display this image. Please login to display this image. Please login to display this image. Stefan Link to comment Share on other sites More sharing options...
Developer Hans Hartmann 3695 Posted October 3, 2020 Developer Share Posted October 3, 2020 Can you post the complete flightplan plus where you climbed to FL390 and FL410 please? The screenshots don't help much here. Link to comment Share on other sites More sharing options...
StefanBravo 0 Posted October 4, 2020 Author Share Posted October 4, 2020 Hi Hans, FP: NORBO Y96 TLA DCT SAB L983 SURAT UM869 GOREV M869 EVAKI T55 TESPI. FL390 was my initial level, the CRJ made up FL370. Link to comment Share on other sites More sharing options...
StefanBravo 0 Posted October 5, 2020 Author Share Posted October 5, 2020 From Glasgow to Copenhagen by the way ;). Link to comment Share on other sites More sharing options...
Hoffie3000 96 Posted October 5, 2020 Share Posted October 5, 2020 The whole flight plan was for testing: EGPF23 NORB1H NORBO Y96 TLA SAB L983 SURAT UM869 GOREV M869 EVAKI T55 TESPI TESP1N EKCH22L Ok, I can confirm that this is an old bug of the CRJ, which happens for whatever reason I had reported it once and Hans had also written something about it, but I can't find the thread right now. But you can avoid this, if you see this discrepancy during flight preparation, when checking the flight plan in FMS. In the Perf InI page enter the displayed FL, here FL370, or FL350 as CRZ ALT. Then the FMS calculates the plan correctly again. Wolfgang Link to comment Share on other sites More sharing options...
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