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29,000 operations would be required from Anoka County-Blaine so that it could <br />operate within generally accepted levels of delay. Anew general aviation airport <br />would be able to attract these operations. Ia all likelihood, an even greater level of <br />diversion could be obtained, providing even greater system flexibility. Actual <br />diversion from Anoka County-Blaine Airport to a new airport will depend on the <br />new airport's location relative to potential users. In addition to diversion from <br />Anoka County-Blaine, a new airport could attract operations from Crystal and Flying <br />Cloud airports as they become overburdened Serious capacity and delay problems <br />aze not anticipated for these two airports before the end of the planning period; <br />however, demand at Crystal is projected to reach 76 percent of capacity and Flying <br />Cloud will reach 81 percent of capaaty. Anew general aviation airport in Seazch <br />Area "A" could provide additional capacity for both airports beyond the planning <br />period. <br />Regional planners have indicated that much of the new development in the <br />metropolitan azea will take place to the northwest. Currently, a lazge portion of the <br />metropolitan area is served by at least one reliever airport; however, the three <br />airports that provide coverage in the northwest, Anoka County-Blaine, Crystal, and <br />Flying Cloud, will surpass or approach 80 percent of their capacity by the end of the <br />planning period. Anew general aviation airport in Seazch Area "A" would provide <br />additional coverage and additional capacity for this azea during the planning period <br />and beyond. Also, additional options for IFR coverage could be provided at a new <br />~~ <br />(3) Intra-S}~tem Diversion <br />Facility requirements identified for the reliever system indicate that the <br />unconstrained number of based aircraft at some system airports will not be high <br />enough to utilize 80 percent of operational capacity, while the number of based <br />aircraft at other airports will surpass this level. It is possible that underutilized <br />airports in proximity to overbuudened facilities can accommodate the excess demand. <br />N-60 <br />