[...]
The approach surfaces, shown on Department of Transport Yellowknife Zoning Plan dated March 31, 1978, are surfaces abutting each end of the strips associated with the runways designated 08-26 and 14-32 and are described as follows:
[...]
The outer surface, shown on Department of Transport Yellowknife Zoning Plan dated March 31, 1978, is an imaginary surface located at a common plane established at a constant elevation of 150 feet above the assigned elevation of the airport reference point, except where that common plane is less than 30 feet above the surface of the ground, the imaginary surface is located at 30 feet above the surface of the ground.
[...]
The strips, shown on Department of Transport Yellowknife Zoning Plan dated March 31, 1978, are described as follows:
[...]
Each transitional surface, shown on Department of Transport Yellowknife Zoning Plan dated March 31, 1978, is a surface consisting of an inclined plane having a ratio of one foot measured vertically to seven feet measured horizontally at right angles to the centre line and centre line production 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, an approach surface or another transitional surface of an adjoining strip.
