Section 171.317

14 CFR Ch. I (1-1-19 Edition)

Where the physical characteristics of
the
approach
region
prevent
theachievement of the standards under
paragraphs (a) (1), (2), and (3) of this

section, guidance need not be provided
below a conical surface originating at
the elevation antenna and inclined 0.9
degree above the line of sight.

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