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The outer surface, shown on Moncton Airport Zoning Plan Numbers S-2021-0, S-2021-2 to S-2021-5 inclusive and S-2021-8 to S-2021-11 inclusive, dated March 12, 1988, is an imaginary surface located at a common plane established at a constant elevation of 45 m above the elevation of the airport reference point, except that, 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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