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AIRPORT MASTER PLAN <br />only apply to Runway13because it is the only runway with a precision instrument <br />approach and an approach lighting system. The status of all four OFZ surfaces are <br />discussed below. <br />Runway Obstacle Free Zone (ROFZ) <br />The length of a ROFZ is fixed at 200 feet beyond the associated runway end but the <br />width is dependent upon the size of the aircraft using the runway (small less than <br />12,500 lbs. or large greater than 12,500 lbs.) and the visibility minimums for the <br />lowest instrument approach to the runway. The ROFZ width for all three runways at <br />the airport is 400 feet (200 feet each side of the runway centerline). The elevation of <br />the ROFZ is equal to the closest point along the runway centerline. All runways at <br />the airport meet the established ROFZ requirements. Since the dimensions of the <br />ROFZ are not based on the RDC of a runway, no ROFZ impacts will occur if any of <br />the runways are moved to a C-III RDC. <br />Inner Approach OFZ <br />Runway 13 has a MALSR approach lighting system. Consequently, an inner <br />approach OFZ is applicable. The inner approach OFZ begins at the end of the ROFZ <br />(200 feet beyond the runway end) and extends to a point 200 feet beyond the last <br />lighting unit of the MALSR system (2,600 feet beyond the runway end). <br />Consequently, the total inner approach OFZ is 2,400 feet in length. Additionally, the <br />inner approach OFZ rises at a 50:1 slope from the edge of the ROFZ and remains <br />the same width as the ROFZ (400 feet). The current inner-approach OFZ for Runway <br />13meets the established FAA standards. Since the dimensions of the inner <br />approach OFZ are not based on the RDC of a runway, no inner approach OFZ <br />impacts will occur if Runway 13 is moved to a C-III RDC. <br />Inner Transitional OFZ <br />The inner transitional OFZ is a defined volume of airspace along the sides of the <br />ROFZ and inner approach OFZ. It applies only to runways with lower than ¾ statue <br />mile approach visibility minimums. <br />Runway 13 has an ILS approach with visibility minimums of ½ mile. Since these <br />visibility minimums are below ¾ mile an inner-transitional OFZ is applicable. <br />Facility Requirements Chapter Page 21 of 70 <br />October 2020 <br /> <br />