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The airport reference point, shown on St. Catharines Airport Zoning Plan No. 26-047-81-67, Sheet 5, dated March 30, 1984, is a point distant 100 m measured northwesterly at right angles to the centre line of runway 06-24, from a point distant 615 m measured northeasterly along the said centre line from the southwesterly end of the said runway.
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The approach surfaces, shown on St. Catharines Airport Zoning Plan No. 26-047-81-67, Sheets 1, 2, 4, 5, 6, 8, 9, 10, 11 and 12 dated March 30, 1984, are surfaces abutting each end of the strips associated with the runways designated 06-24, 10-28 and 01-19 and are described as follows:
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The outer surface, shown on St. Catharines Airport Zoning Plan No. 26-047-81-67, Sheets 1 to 9, dated March 30, 1984, is an imaginary surface located at a common plane established at a constant elevation of 45 m above the assigned elevation of the airport reference point except where that common plane is less than 9 m above the surface of the ground, the imaginary surface is located at 9 m above the surface of the ground.
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The strips, shown on St. Catharines Airport Zoning Plan No. 26-047-81-67, Sheet 5, dated March 30, 1984, are described as follows:
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Each transitional surface, shown on St. Catharines Airport Zoning Plan No. 26-047-81-67, Sheets 1, 2, 4, 5, 6, 8 and 9, dated March 30, 1984, is a surface consisting of 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 centre line produced of each strip extending upward and outward from the lateral limits of each strip and its approach surfaces to an intersection with the outer surface or another transitional surface of an adjoining strip.
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The boundary of the outer limits of lands, shown on St. Catharines Airport Zoning Plan No. 26-047-81-67, Sheets 1 to 12, dated March 30, 1984 is described as follows:
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