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The airport reference point, shown on Ross River Airport Zoning Plan No. E.2995, dated December 30, 1992, is a point located on the centre line of runway 08-26 distant 838.2 m from the threshold of runway 26.
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The approach surfaces, shown on Ross River Airport Zoning Plan No. E.2995, dated December 30, 1992, are planes abutting each end of the strip associated with runway 08-26 and are described as follows:
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The outer surface, shown on Ross River Airport Zoning Plan No. E.2995, dated December 30, 1992, 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 08-26, shown on Ross River Airport Zoning Plan No. E.2995, dated December 30, 1992, is 90 m in width, 45 m being on each side of the centre line of the runway and 1 796.4 m in length.
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Each transitional surface, shown on Ross River Airport Zoning Plan No. E.2995, dated December 30, 1992, 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 outer boundary of the land to which these Regulations apply, shown on Ross River Airport Zoning Plan No. E.2995, dated December 30, 1992, is a circle with a radius of 4 000 m centred on the airport reference point.
