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The approach surfaces, shown on Fort Liard Airport Zoning Plan No. E.3047, dated March 30, l995, are planes abutting each end of the strip associated with runway 02-20 and are described as follows:
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(a) an inclined plane abutting the end of the strip associated with the approach to runway 02 having a ratio of l m measured vertically to 25 m measured horizontally, rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 2 500 m measured horizontally from the end of the strip; the outer ends of the imaginary horizontal line being 280 m from the projected centre line; said imaginary horizontal line being 100 m above the elevation at the end of the strip; and
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(b) an inclined plane abutting the end of the strip associated with the approach to runway 20 having a ratio of l m measured vertically to 25 m measured horizontally, rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 2 500 m measured horizontally from the end of the strip; the outer ends of the imaginary horizontal line being 280 m from the projected centre line; said imaginary horizontal line being 100 m above the elevation at the end of the strip.
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