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Thread: undershoot - overshoot

  1. #1

    undershoot - overshoot

    Is there a reason why when i change heading to the west it overshoots but when i change heading to the east it undershoots? Typically, the plane flies west of the heading bug also by about 5 degrees.
    John Kazickas
    Sands Point, NY
    Glasair Sportsman N9GZ

  2. #2
    Is this when using the heading bug or knob on the AP?
    Rob Hickman
    Advanced Flight Systems Inc.

  3. #3
    Is the aileron trim set?

    The check page will display the current command to the AP. When it is not centering the heading bug what is the command to the AP roll servo?
    Rob Hickman
    Advanced Flight Systems Inc.

  4. #4
    This is when I'm using the heading bug.

    Not sure where on the check page to look for the AP command but the next time I'm up I will look for it and report back.

    Thanks.
    John Kazickas
    Sands Point, NY
    Glasair Sportsman N9GZ

  5. #5
    Next time it is tracking 5deg off take a picture of the efis screen and the check page and email them to me.

    Do you have a heading adjust value other than zero?
    Rob Hickman
    Advanced Flight Systems Inc.

  6. #6
    Ahh...where do you set the heading adjust value?
    John Kazickas
    Sands Point, NY
    Glasair Sportsman N9GZ

  7. #7
    Efis > settings > more > ahrs >
    Rob Hickman
    Advanced Flight Systems Inc.

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