An explanation of the effects of airspeed on an aircraft when tuning into or down wind is presented. By considering two reference frames, one fixed to the ground and one moving with the wind, it was shown that the airspeed of an aircraft in a banked turn without sideslip is unaffected by the wind or direction. The forces acting on the aircraft are the same with or without wind so that the pilot experiences the same acceleration and applies the same control movements. The flight path relative to the wind remains circular as in still air but is distorted relative to the ground. The aircraft ground speed increases in a turn downwind and decreases in a turn upwind, while airspeed remains constant. In terms of airspeed there is therefore no advantage in performing a quick turn into wind.


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    Title :

    Aircraft Turns into and down Wind


    Contributors:
    A. W. Bloy (author) / K. A. Lea (author)

    Publication date :

    1992


    Size :

    13 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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