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The airport reference point shown on Peterborough Airport Zoning Plan No. 15-006 89-43, Sheet 5, dated December 29, 1989, is a point which may be located by:
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The approach surfaces, shown on Peterborough Airport Zoning Plan No. 15-006 89-43, Sheets 4, 5 and 6, dated December 29, 1989 are planes abutting each end of the strip associated with runway 09-27, and are described as follows:
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The outer surface, shown on Peterborough Airport Zoning Plan No. 15-006 89-43, Sheets 1, 2, 3, 4, 5, 6, 7, 8 and 9, dated December 29, 1989, 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 09-27, shown on Peterborough Airport Zoning Plan No. 15-006 89-43, Sheet 5, dated December 29, 1989, is 150 m in width, 75 m being on each side of the centre line of the runway and 1 644.36 m in length.
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Each transitional surface, shown on Peterborough Airport Zoning Plan No. 15-006 89-43, Sheets 4, 5 and 6, dated December 29, 1989, 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 Peterborough Airport Zoning Plan No. 15-006 89-43, Sheets 1 to 4 and 6 to 9 dated December 29, 1989, is described as follows:
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