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The approach surfaces, shown on Department of Transport Fort Simpson Airport Zoning Plan No. E.1544, are surfaces abutting each end of the strips associated with the runways designated 12-30 and 17-35 and are described as follows:
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(a) a surface abutting the end of the strip associated with runway approach 12, and
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(b) a surface abutting the end of the strip associated with runway approach 30,
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(c) a surface abutting the end of the strip associated with runway approach 17, and
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(d) a surface abutting the end of the strip associated with runway approach 35,
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