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-7 <br />BOOK 88 R IE9 6 <br />D. The Airport Overflight Zone and Regulations section <br />establishes overflight zones extending -out from the ends of <br />active runways within which the probability of aircraft <br />accidents are higher, according to aviation safety experts <br />(see attachment #8). Due to the higher probability of <br />aircraft accidents, development of certain types of uses <br />within the zones is prohibited in order to decrease the <br />potential loss of life and property in the event of an <br />aircraft accident. <br />Although not directly referenced in FS 333, the FDOT strongly <br />recommends overflight zones or other types of special safety <br />zones to be included in airport zoning ordinances (see <br />attachment #9). <br />Based upon alternatives discussed at the Planning and Zoning <br />Commibsion/Airport Zoning Commission meetings, two sets of <br />overflight zones are proposed: <br />1. A New Hibiscus Airport overflight zone which is smaller <br />in area (equal to the "clear zone" area), closer to the <br />ends of the runway and more restrictive in terms of <br />allowable uses. Uses prohibited include: schools and <br />child-care, hospitals, places of worship, hotels/motels, <br />gas stations, and uses covering a site (within the zone) <br />with more than 30% habitable building area. [Note: <br />because this overflight zone represents the airport <br />"clear zone", FS 333 requires special use restrictions <br />within this zone.] <br />2. A Vero Beach Municipal and Sebastian Municipal Airport <br />overflight zone which is larger in area, farther away <br />from the ends of active runways, and less restrictive in <br />terms of allowable uses. Uses prohibited include: <br />schools and child-care, hospitals, and places of worship. <br />[Note: because this zone extends beyond the "clear zone" <br />areas, FS 333 does not require special use restrictions <br />within this zone.] <br />Although the development of certain uses is prohibited within <br />overflight zones, in no case would the prohibitions greatly <br />reduce the number of uses otherwise allowed on individual <br />properties by normal zoning district regulations. <br />E. The Airport Noise Impact- Zone and Regulations Section <br />incorporates existing federal and state requirements and <br />procedures related to noise impacts on new development. In <br />accordance with federal requirements, the area of each noise <br />zone is established based upon the length of the longest <br />active runway of the subject airport. Thus, the size of each <br />noise zone is related to the size of the airport it surrounds. <br />Within the noise zones, special noise reduction building <br />requirements are placed on uses such as schools and hospitals <br />which have users and functions that are noise sensitive. <br />Owners of new child care, school, hospital, hotel/motel, and <br />residential developments within noise impact zones will be <br />required to either verify that certain noise level reduction <br />(NLR) construction materials and techniques will be used in <br />the development or will be required to grant an "avigation <br />easement" in favor of the appropriate airport authority. Such <br />an easement is a legal document that grants the airport <br />owner/authority the right to continue normal airport <br />operations regardless of possible noise -related impacts and <br />nuisances. <br />F• The Special Requirements Applicable Throughout the <br />Unincorporated Area of the County Section incorporates <br />existing federal and state requirements relating to the <br />regulation of uses that can pose special hazards for airport <br />6 <br />