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The airport reference point, shown on Toronto/Buttonville Airport Zoning Plan No. 19-036-84-05, sheet 5, dated May 30, 1986, is a point distant 45.0 m measured northeasterly at right angles to the centre line of runway 15-33 from a point distant 485.0 m measured southeasterly along the said centre line from the northwesterly end of the said runway.
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The approach surfaces, shown on Toronto/Buttonville Airport Zoning Plan No. 19-036-84-05, Sheets 2, 5, 6, 8 and 9, dated May 30, 1986, are surfaces abutting each end to the strips associated with runways designated 03-21 and 15-33 and are described as follows:
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The outer surface, shown on Toronto/Buttonville Airport Zoning Plan No. 19-036-84-05, Sheets 1 to 9 inclusive, dated May 30, 1986, 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 outer surface is an imaginary surface located at 9 m above the surface of the ground.
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The strips, as shown on Toronto/Buttonville Airport Zoning Plan No. 19-036-84-05, Sheet 5, dated May 30, 1986 are described as follows:
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Each transitional surface shown on Toronto/Buttonville Airport Zoning Plan No. 19-036-84-05, Sheets 2, 5, 6 and 8, dated May 30, 1986 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 the 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 or another transitional surface of an adjoining strip.
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The boundary of the lands to which these Regulations apply, shown on Toronto/Buttonville Airport Zoning Plan No. 19-036-84-05, Sheets 1, 2, 3, 4, 6, 7, 8 and 9, dated May 30, 1986, is described as follows:
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