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Wind gust: detection and effects

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    Wind gust: detection and effects

    Hello folks,

    1. In real life, at landing, the ATC would tell if there are wind gusts. Now in the sim, without ATC, how do you know that there are wind gusts at landing by only watching the instruments? In my understanding the speedtape is going wild (suddent acceleration and deceleration). However the wind indicator on the ND does not display wind gusts. Is that correct?

    2. A wind gust can imbalance the plane and also lift it out of its path, leading to cancel the landing. Is that correct?



    Tony Argaud LFPG - P3Dv4.5

    #2
    Hi Tony,

    1) When there is no online ATC I normally use the METAR to determine the wind. The wind indicator on the ND does not normally show gusts.

    2) It is the pilots job to keep the airplane on path, the AP usually does a very good job at it as well. However, if the wind is strong enough to make your approach unstable you of course have to execute a go around.

    Comment


      #3
      Tony, if you are using Active Sky you can always hear the actual wind tuning radio to 122.075 - very handy for approach and takeoff

      best regards
      Attached Files
      Manolo Ruiz CarriĆ³

      Comment


        #4
        Thank you both.

        I have not thought about the METAR and Active Sky feature

        Two of my questions were not answered clearly, I rephrase them:

        A) Just before landing*, if the PFD speedtape is going wild up and down (suddent acceleration and deceleration), that is the sign of gust winds? Correct?

        B) Just before landing*, can a gust wind lift significantly the plane?

        * Say between 10 and 30 feets.

        Tony Argaud LFPG - P3Dv4.5

        Comment


          #5
          Originally posted by Simicro View Post
          Thank you both.

          I have not thought about the METAR and Active Sky feature

          Two of my questions were not answered clearly, I rephrase them:

          A) Just before landing*, if the PFD speedtape is going wild up and down (suddent acceleration and deceleration), that is the sign of gust winds? Correct?

          B) Just before landing*, can a gust wind lift significantly the plane?

          * Say between 10 and 30 feets.
          Tony: A) This is most likely due to an unrealistic setting for gusts and turbulence in your weather engine. They need to be dialed back. I set mine to 0.33.
          and B) The effect of gusts on airplanes is related not to their weight but to their wing loading. A Cessna with light wing loading of maybe 12 lbs/ft2 can be tossed around by gusts but the carrier jet aircraft with wing loading as high as 140 lbs/ft2 (A380) will respond with much less reaction.

          In the simulator, I like to use the AOA gauge to indicate gusts. When it starts to swing wildly it's time for vigilance.
          Dan Downs KCRP
          i7-10700K 32GB 3600MHz 2080Ti

          Comment


            #6
            Thank you Dan, I use Active Sky with the default setting. I will investigate more the setting for gusts and turbulence. Regarding wing loading, it makes sense. I asked the question because every now and then, moments before landing, my 737 is lifted... by wind gusts or an updraft, I don't know.
            Tony Argaud LFPG - P3Dv4.5

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