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FACILITY REQUIREMENTS <br />commercial aircraft are currently deficient. These geometric design issues will need to be corrected over <br />time as pavement surface maintenance is performed in order to meet the current FAA design standards. <br /> <br />The east runway and taxiway complex is primarily used by general aviation aircraft, but as stated before, <br />acts as redundancy during situations when the primary runway is unusable. Aircraft using Runway 16L-34R <br />can range widely in size, however, most are similar or smaller than ADG III/TDG 3 aircraft. The analysis <br />indicates that Taxiway B, the parallel taxiway to Runway 16L-34R, and its associated connecters, are <br />sufficient for the existing fleet mix of general aviation aircraft, but not the commercial fleet mix. Runway <br />16L-34R and Taxiway B are, however, sufficient to temporarily serve commercial service aircraft when the <br />primary runway is out of service, but Taxiway B requires TDG 5 aircraft to practice judgmental <br />oversteering. A comparison of the FAA recommended design standards for ADG III/TDG 3 taxiways to the <br />existing taxiway geometries is provided in Table 3-14. As with all taxiways primarily serving commercial <br />aircraft, fillet geometry is deficient for all general aviation taxiways. These geometric design issues will <br />need to be corrected over time as pavement surface maintenance is performed in order to meet the <br />current FAA design standards. Figure 3-5 shows a graphical representation of the taxiway requirements <br />based upon their primary use (commercial versus general aviation). <br />TABLE 3-14 <br />GENERAL AVIATION TAXIWAYS <br />Taxiway Taxiway Taxiway Centerline to Centerline to <br />Taxiway Taxiway Taxiway Fillet <br />Shoulder Safety Area Object Free Parallel Fixed or <br />ComponentsWidthDesign <br />WidthWidthArea WidthTaxiway Movable Object <br />Requirement <br />50'20'118'186'152'93'(1) <br />(ADG III, TDG 3) <br />TWY H N/A X <br />TWY K N/A X <br />TWY M X <br />TWY N N/A X <br />TWY R X <br />(1) See Section 406, paragraph (b) in FAA Advisory Circular 150/5300-13A, Change 1 for fillet design dimensions. <br />Source: FAA Advisory Circular 150/5300-13A, Change 1 <br />EUGENE AIRPORT MASTER PLAN 3-19 <br /> <br />