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737 NGX Navdata

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    737 NGX Navdata

    Has the 737NGX (not the NGXu) Navdata been updated? The FMC still shows "Navdata out of date" (because I do not install updated Navigraph data), but I have noticed differences in the available waypoint options at various airports since I reinstalled the plane recently on my new PC.
    Christopher Low

    #2
    Originally posted by Christopher Low View Post
    Has the 737NGX (not the NGXu) Navdata been updated? The FMC still shows "Navdata out of date" (because I do not install updated Navigraph data), but I have noticed differences in the available waypoint options at various airports since I reinstalled the plane recently on my new PC.
    PMDG never update the Navdata, regardless of the airplane. That must be done via a purchase of Navigraph or the Aerosoft Navdata (not sure about their product's name). You don't need to subscribe to them, a single cycle is enough to be mostly up to date for quite some time. The out-of-date message will show however as soon as the sim time is out of the nav data cycle. In the NGXu there is an explanation in the intro manual how to deactivate this message, but I don't know if that's possible in the NGX.
    i7-6700k, GTX 1080TI, 32GB DDR4 RAM @1600MHz, 4k

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      #3
      If you don’t care about having current data and just want to remove the NAV DATA OUT OF DATE message, you can open up the file fmc_ident.txt, located at <P3D root folder>\PMDG\NAVDATA and edit the third line - OpProgram= JAN05FEB01/19- to read a different date range that will not trigger the message.
      That's from the NGXu manual.

      Edit: As it mentions the general nav data it should have the same effect on the NGX.
      Last edited by Ephedrin; 08Feb2020, 08:54.
      i7-6700k, GTX 1080TI, 32GB DDR4 RAM @1600MHz, 4k

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        #4
        The message is not a problem. I was just curious because of the differences that I had noted in the FMC. One difference is the available approach procedures for EGAC Belfast City. I had ILS approaches for 04 and 22 before I uninstalled the plane from my old PC (December), but now I only have an ILS approach for 22, but LLZ approaches for 04 and 22. I am not sure what "LLZ" approaches are, but I am reasonably certain that they were not on the list previously. Maybe an update at some point (that I did not download before uninstalling) adjusted something in the FMC code?

        For the record, there should be an ILS approach for 04, and this is included in the UK2000 Belfast City Xtreme airport package that I use.
        Christopher Low

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          #5
          BGL files that simulator uses for it's nav data(in your case UK 2000 scenery),has nothing to do with the data that FMS uses via navigraph subscription.
          STEFAN ĐORĐEVIĆ

          Comment


            #6
            LLZ is another name for a LOC approach. basically a non-precision approach using the ILS without the glide slope beam. Youd fly it using LNAV and VNAV to minimums and then fly manually and visually.

            I can't tell if the navdata cycle has changed if you downloaded the airplane again, but it could be. You can check it on the FMC page "ident" or whatever name it has.. the very first page where the aircraft type and the engines etc are shown.
            i7-6700k, GTX 1080TI, 32GB DDR4 RAM @1600MHz, 4k

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              #7
              Christopher,

              I believe that if you bought the NGXu you got an updated, but maybe now outdated set of navdata. The navdata is common for all PMDG airframes.

              Cheers,
              Mats Johansson, ESSA
              PMDG Flight Test

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                #8
                Christopher, you mentioned re-installing the NGX on your new computer, but did you install any other plane on either your new computer or your old computer, and if so, what order. The reason I ask is that as far as I'm aware, the installers won't touch the navigation data if it sees another set already in place, so if you had a newer plane installed, like the 747 V3 or even the 777, prior to installing the NGX, you would have had the navigation data from the newer plane.
                Captain Kevin

                Kevin Yang

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                  #9
                  I installed the 737NGX first, but I guess it is always possible that I had installed another plane before the NGX on my old PC. Not that it matters. It was just an observation
                  Christopher Low

                  Comment


                    #10
                    So what you can do if you would like is to delete the navigation data, then install the newest plane you have. It won't be up to date, but it'll be as up to date as it was at the time, which is still better than what the NGX has.
                    Captain Kevin

                    Kevin Yang

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                      #11
                      Do I delete the Navdata folder in the PMDG folder? I am going to uninstall and reinstall the 747 to get more up to date navdata.
                      Last edited by Christopher Low; 16Feb2020, 09:25.
                      Christopher Low

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                        #12
                        Originally posted by Christopher Low View Post
                        Do I delete the Navdata folder in the PMDG folder? I am going to uninstall and reinstall the 747 to get more up to date navdata.
                        Delete that folder and the SIDSTARS folder.
                        Captain Kevin

                        Kevin Yang

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                          #13
                          Thanks, Kevin. Job done
                          Christopher Low

                          Comment


                            #14
                            Chris, some users obtain the latest Navdata from Navigraph by taking out a subscribtion for one month only and then cancel it after receiving the updated files. Although an annual subscription probably represents the best value for money for many users, you can repeat this method as often or as little as you like. If you visit their website you will be able to see what sort of a subscription suits you best, if any.
                            Michael Codd

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