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The airport reference point, shown on Swift Current Airport Zoning Plan No. E.2851, dated July 5, 1990, is a point located on the centre line of runway 12-30 distant 647.7 m from the threshold of runway 30.
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The approach surfaces, shown on Swift Current Airport Zoning Plan No. E.2851, dated July 5, 1990, are planes abutting each end of the strip associated with runway 12-30 and are described as follows:
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The outer surface, shown on Swift Current Airport Zoning Plan No. E.2851, dated July 5, 1990, is an imaginary plane established at a constant elevation of 45 m above the elevation of the airport reference point, except that, where that plane is less than 9 m above the surface of the ground, the outer surface is located at 9 m above the surface of the ground.
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The strip associated with runway 12-30, shown on Swift Current Airport Zoning Plan No. E.2851, dated July 5, 1990, is 150 m in width, 75 m being on each side of the centre line of the runway, and 1 415.4 m in length.
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Each transitional surface, shown on Swift Current Airport Zoning Plan No. E.2851, dated July 5, 1990, is an inclined plane rising at a ratio of 1 m measured vertically to 7 m measured horizontally at right angles to the centre line and projected centre line of the strip, extending upward and outward from the lateral limits of the strip and its approach surfaces to an intersection with the outer surface.
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The boundary of the land to which these Regulations apply, shown on Swift Current Airport Zoning Plan No. E.2851 dated July 5, 1990, is described as follow:
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