<div class="chunk-title">SECTION III. - AIRPORT ZONES</div>
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               In order to carry out the provisions of this Ordinance, there are hereby created and
               established certain zones which include all of the land lying beneath the approach
               surfaces, transitional surfaces, horizontal surfaces, and conical surfaces as they
               apply to the Martin County Airport. Such zones are shown on the Martin County Airport
               Height Ordinance Map consisting of one (1) sheet, prepared by MICHAEL BAKER ENGINEERING,
               INC., and dated September, 2011, which is attached to this Ordinance and made a part
               hereof. An area located in more than one (1) of the following zones is considered
               to be only in the zone with the more restrictive height limitation. The various zones
               are hereby established and defined as follows:
               
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                  1.
                  
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                  <span class="ital">Approach Zone (AHD-A).</span>
                  
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                  a.
                  
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                  Runway 3â€”The inner edge of this approach zone coincides with the width of the primary
                  surface and is five hundred (500) feet wide. The approach zone expands outward uniformly
                  to a width of three thousand five hundred (3,500) feet at a horizontal distance of
                  ten thousand (10,000) feet from the primary surface. Its centerline is the continuation
                  of the centerline of the runway.
                  
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                  b.
                  
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                  Runway<a href="" data-chunk-id="PTIICOOR_CH21RE" class="section-link" data-product-id="15271"> 21</a>â€”The inner edge of this approach zone coincides with the width of the primary surface
                  and is five hundred (500) feet wide. The approach zone expands outward uniformly to
                  a width of three thousand five hundred (3,500) feet at a horizontal distance of ten
                  thousand (10,000) feet from the primary surface. Its centerline is the continuation
                  of the centerline of the runway.
                  
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                  2.
                  
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                  <span class="ital">Transitional Zone (AHD-T).</span> The transitional zones are the areas beneath the transitional surfaces.
                  
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                  3.
                  
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                  <span class="ital">Horizontal Zone (AHD-H).</span> The horizontal zone is established by swinging arcs of ten thousand (10,000) feet
                  radii from the center of each end of the primary surface of each runway and connecting
                  the adjacent arcs by drawing lines tangent to those arcs. The horizontal zone does
                  not include the approach and transitional zones.
                  
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                  4.
                  
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                  <span class="ital">Conical Zone (AHD-C).</span> The conical zone is established as the area that commences at the periphery of the
                  horizontal zone and extends outward to a height of three hundred fifty (350) feet
                  above the airport elevation.
                  
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                  5.
                  
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                  <span class="ital">Airport Protection Zone (AHD-P).</span> The airport protection zone is established at an elevation of four hundred twenty-six
                  (426) feet above mean sea level.
                  
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            <p class="historynote0">
               (
               <a class="ordinance-link" href="" data-product-id="15271" data-ordinance-id="673028">
                  Ord. of 10-8-2014(1)
                  </a>
               )
               
            </p></div>