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The approach surfaces, shown on Dryden Airport Zoning Plan No. 60-090-82-45, Sheets 2, 3, 4, 5, 6, 7, 8, 11, 12, 13 and 14, dated July 26th, 1983, are surfaces abutting each end of the strips associated with the runways designated 05-23 and 11-29 and are described as follows:
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(a) surface abutting the end of the strip associated with runway approach 11 consisting of an inclined plane having a ratio of 1 m measured vertically to 50 m measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 15 000 m measured horizontally from the end of the strip; the outer ends of the imaginary horizontal line being 2 400 m from the projected centre line; said imaginary horizontal line being 300 m above the elevation at the end of the strip;
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(b) a surface abutting the end of the strip associated with runway approach 29 consisting of an inclined plane having a ratio of 1 m measured vertically to 50 m measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 15 000 m measured horizontally from the end of the strip; the outer ends of the imaginary horizontal line being 2 400 m from the projected centre line; said imaginary horizontal line being 300 m above the elevation at the end of the strip;
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(c) a surface abutting the end of the strip associated with runway approach 05 consisting of an inclined plane having a ratio of 1 m measured vertically to 20 m measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 2 000 m measured horizontally from the end of the strip; the outer ends of the imaginary horizontal line being 230 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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(d) a surface abutting the end of the strip associated with runway approach 23 consisting of an inclined plane having a ratio of 1 m measured vertically to 20 m measured horizontally rising to an imaginary horizontal line drawn at right angles to the projected centre line of the strip and distant 2 000 m measured horizontally from the end of the strip; the outer ends of the imaginary horizontal line being 230 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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