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NAVData

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  1. Hi guys,

    due a question in our forum, I have tried to analyze the ESGG issue and I have figured out, that the magnetic-variation is wrong in the scenery.

    In the scenery, you have a magnetic variation of -1° for both ILSs, but in real you have approx. -4° thats a difference of 3 degrees and therefore the offset during the approach.

     

    It´s a simple calculation:

    Take the true-runway heading and the mag-runway heading - the difference is the magnetic-variation

     

    Here from the AIP Sweden:

     

    image.png.46bc3b00dcd09ad3f9f103458b803321.png

     

    RWY 03: 22M - 25.98T = -3.98°

    RWY 21: 202M - 206T = -4.00°

     

    Also, the approach courses are not correct - in the scenery you have for ILS 03 / 23° (in real 22°) and for ILS 21 / 203° (in real 202°).

     

    But the real important point here are the wrong mag-var values, which is the cause of these offsets - again, at least at ESGG because I have only analyzed this Orbx scenery.

    This is also data independet, means if you use stock data or the Navigraph data. It´s 100% the magnetic variation, which must be corrected!

     

    @Orbx please don´t hesitate to contact me, if you need more details or when I can help you in any way ...

     

    Thank you,

    Richard

    -- Richard Stefan / Navigraph Development Team member

     

     

     

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