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  • Unknown element

    Hi everyone,
    In some videoclips I saw that, in some kind of aircraft (e.g. some types of Boeing 737) there is a strange object attached behind the rudder. It seems like a little sphere attached by a thin stick. Is it an antenna or what?

    Thanks.

  • #2
    Please provide a link or a photo.
    Thanks

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    • #3
      Trial for a Magnetic Anomaly Detector (MAD)? Althought from memory the P8's won't have one fitted.

      Definately need a piccie.

      Comment


      • #4
        What was the name of the set of air data sensors that is ussually towed behind the tail and is used for refernece during test flights to calibrate the standard airplane's sensors?

        --- Judge what is said by the merits of what is said, not by the credentials of who said it. ---
        --- Defend what you say with arguments, not by imposing your credentials ---

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        • #5
          Originally posted by emmegi View Post
          Hi everyone,
          In some videoclips I saw that, in some kind of aircraft (e.g. some types of Boeing 737) there is a strange object attached behind the rudder. It seems like a little sphere attached by a thin stick. Is it an antenna or what?

          Thanks.
          It's called a trailing cone and is used to calibrate the pitot static system.

          More information can be found here:

          http://www.spaceagecontrol.com/trailing-cone.htm

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          • #6
            Here is a photo of a 737-800 with a trailing cone attached:

            http://www.jetphotos.net/viewphoto.php?id=20508

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            • #7
              Oh, I understand. Thanks a lot.

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