St. Johns (Quebec) Airport Zoning Regulations (C.R.C., c. 112)

5 No person shall erect or construct, on any land or any land under water to which these Regulations apply, any building, structure or object or any addition to any existing building, structure or object, the highest point of which will exceed in elevation at that point any of the surfaces hereinafter set out that project immediately over and above the surface of the land at that location, namely,

• (a) the approach surfaces;

• (b) the horizontal surface; or

• (c) the transitional surfaces.