<div class="chunk-title">SECTION II. - DEFINITIONS</div>
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               As used in this Ordinance, unless the context otherwise requires:
               
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                  1.
                  
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                  AIRPORTâ€”Shall refer to the Martin County Airport.
                  
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                  2.
                  
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                  AIRPORT ELEVATIONâ€”The highest point of an airport's usable landing area measured in
                  feet from sea level. The Martin County Airport elevation equals seventy-six (76) feet
                  above mean sea level (MSL).
                  
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                  3.
                  
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                  APPROACH SURFACEâ€”A surface longitudinally centered on the extended runway centerline,
                  extending outward and upward from the end of the primary surface and at the same slope
                  as the approach zone height limitation slope set forth in Section IV of this Ordinance.
                  In plan the perimeter of the approach surface coincides with the perimeter of the
                  approach zone.
                  
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                  4.
                  
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                  APPROACH, TRANSITIONAL, HORIZONTAL, CONICAL, AND AIRPORT PROTECTION ZONESâ€”These zones
                  are set forth in Section III of this Ordinance.
                  
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                  5.
                  
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                  BOARD OF APPEALSâ€”A Board consisting of five (5) members appointed by the Martin County
                  Commissioners as provided in NCGS 63-33(c). The Martin County Airport Commission and
                  the Airport Manager will serve as the Board of Appeals of the Martin County Airport.
                  
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                  6.
                  
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                  CONICAL SURFACEâ€”A surface extending outward and upward from the periphery of the horizontal
                  surface at a slope of 20 to 1 for a horizontal distance of four thousand (4,000) feet.
                  
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                  7.
                  
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                  ENFORCEMENT OFFICER shall mean an individual with authority to enforce this ordinance,
                  either the County Manager or his designee.
                  
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                  8.
                  
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                  HAZARD TO AIR NAVIGATIONâ€”An obstruction determined to have a substantial adverse effect
                  on the safe and efficient utilization of the navigable airspace.
                  
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                  9.
                  
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                  HEIGHTâ€”For the purpose of determining the height limits in all zones set forth in
                  this Ordinance and shown on the zoning map, the datum shall be mean sea level elevation
                  unless otherwise specified.
                  
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                  10.
                  
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                  HORIZONTAL SURFACEâ€”A horizontal plane one hundred fifty (150) feet above the established
                  airport elevation, the perimeter of which in plan coincides with the perimeter of
                  the horizontal zone.
                  
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                  11.
                  
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                  MSLâ€”Mean Sea Level.
                  
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                  12.
                  
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                  NONCONFORMING USEâ€”Any pre-existing structure, object of natural growth, or use of
                  land which is inconsistent with the provisions of this Ordinance or an amendment thereto.
                  
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                  13.
                  
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                  NONPRECISION INSTRUMENT RUNWAYâ€”A runway having an existing instrument approach procedure
                  utilizing air navigation facilities with only horizontal guidance, or area type navigation
                  equipment, for which a straight-in nonprecision instrument approach procedure has
                  been approved or planned.
                  
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                  14.
                  
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                  OBSTRUCTIONâ€”Any structure, growth, or other object, including a mobile object, which
                  exceeds a limiting height set forth in Section IV of this Ordinance.
                  
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                  15.
                  
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                  PERSONâ€”An individual, firm, partnership, corporation, company, association, joint
                  stock association, or governmental entity; includes a trustee, a receiver, an assignee,
                  or a similar representative or any of them.
                  
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                  16.
                  
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                  PRIMARY SURFACEâ€”A surface longitudinally centered on a runway. When the runway has
                  a specially prepared hard surface, the primary surface extends two hundred (200) feet
                  beyond each end of that runway; for military runways or when the runway has no specially
                  prepared hard surface, or planned hard surface, the primary surface ends at each end
                  of that runway. The width of the primary surface is set forth in Section III of this
                  Ordinance. The elevation of any point on the primary surface is the same as the elevation
                  of the nearest point on the runway centerline.
                  
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                  17.
                  
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                  RUNWAYâ€”A defined area on an airport prepared for landing and take-off of aircraft
                  along its length.
                  
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                  18.
                  
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                  STRUCTUREâ€”An object, including a mobile object, constructed or installed by man, including
                  but without limitation, buildings, towers, cranes, smokestacks, earth formation, and
                  overhead transmission lines.
                  
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                  19.
                  
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                  TRANSITIONAL SURFACESâ€”These surfaces extend outward at ninety (90) degree angles to
                  the runway centerline and the runway centerline extended at a slope of seven (7) feet
                  horizontally for each foot vertically from the sides of the primary and approach surfaces
                  to where they intersect the horizontal and conical surfaces. Transitional surfaces
                  for those portions of the precision approach surfaces, which project through and beyond
                  the limits of the conical surface, extend a distance of five thousand (5,000) feet
                  measured horizontally from the edge of the approach surface and at ninety (90) degree
                  angles to the extended runway centerline.
                  
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                  20.
                  
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                  TREEâ€”Any object of natural growth.
                  
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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>