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Thread: GPS help needed! Please

  1. Default GPS help needed! Please

    I am brand new to the X-plane, however, quite familer with FSX. I am using the stock Cessena 172, have read and watched everything that I can with regards to using the GPS/waypoints. I thought I had it down, however, no matter how simple the flightplan (KJAX to KCRG), does not work

    I take off from KJAX, put the nav switch to GPS (already have the flight plan loaded), ensure that I click NAV on the GPS, then set my VS and then ALT. However, the flight path that I am suppose to take does not show up on the GPS. I know the GPS is working, I can select HDG and steer that way.

    Suggestions?
    Windows 7 64x, 6 gigs RAM, Nvidia GForce GTX 260, Intel 2 Quad Core running at 2.66

  2. #2

    Default

    Hi,
    have you pressed NAV on c172 AP button, and CDI Button on GNS530 for switch from Vloc to GPS (green colored) too?

  3. Default

    Yes, I have done both. Does not help.
    Windows 7 64x, 6 gigs RAM, Nvidia GForce GTX 260, Intel 2 Quad Core running at 2.66

  4. #4

    Default

    Having recently migrated from P3D to X-Plane I struggled with the GPS / Glide slope as well. It took me a while to realise that the operation of the Autopilot / GPS varies from aircraft to aircraft and that on some the Flight Director has to be engaged before Nav or GS etc. I have to activate the AP TWICE to get the GPS to engage when using Saitek Panels

    The separate manual for the C172 AP (included in X-Plane docs) is worth the read to make sense of its operation.

    Gordon

  5. Default

    Thanks Gordon, I will give it another going over
    Windows 7 64x, 6 gigs RAM, Nvidia GForce GTX 260, Intel 2 Quad Core running at 2.66

  6. Default

    After reading the manual (again, lol) and thinking about my procedures, it occurred to me what the problem "might" be. I use Sky Vector's to set up my Flight Plan. The first place it has is my takeoff location, which in some cases is 1-3 miles from where my plane actually is. I take off and the AP tried to fly to the first waypoint, which is where I left. I eliminated the first waypoint (airport in this case) and things have improved. Still not 100%, but better,

    I also found out that if I have to do (for example) a hard left turn, that the AP may not recover and stay on the path. I have to turn the heading bug to where the plane will eventually intersect the flight plan on the GPS, once there it picks it up and continues. If it is a very small turn, it usually handles it without any problems.
    Windows 7 64x, 6 gigs RAM, Nvidia GForce GTX 260, Intel 2 Quad Core running at 2.66

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