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AIRPORT MASTER PLAN <br />Historically, the operators of tail-dragger aircraft sometimes prefer to utilize turf <br />runways for their takeoff and landing operations. Since the San Marcos Regional <br />Airport already has three paved runways with differing orientations the addition of <br />a turf runway would further complicate the airspace and movement of aircraft on <br />the ground. For these reasons, it is not recommended that a turf runway be <br />considered as part of the alternatives analysis process. <br />ng airport capacity and delay for long- <br />range planning purposes can be found in Advisory Circular (AC) 150/5060-5 (current <br />edition), Airport Capacity and Delay. For this portion of the facility requirements <br />analysis, generalized airfield capacity was calcul <br />current percentage of its maximum Annual Service Volume (ASV). <br />maximum ASV is the peak number of aircraft operations an airport could handle in <br />a given year before significant delays begin to occur. <br />These capacity metrics are calculated based the following factors: <br /> Runway Configuration <br /> Taxiway Configuration <br /> Aircraft Mix Index <br /> Operational Characteristics <br /> Meteorological Conditions <br />When analyzed collectively, the above elements provide the basis for establishing <br />the generalized operational capacity of an airport as expressed by Annual Service <br />Volume. Utilizing the methodology described in AC 150/5060-5 (current edition) for <br />long-range planning purposes, the maximum ASV possible at the San Marcos <br />Regional Airport is between 230,000 and 260,000 annual operations depending on <br />the runway configuration utilized for the analysis. In the Forecast Chapter, the peak <br />of total annual operations is expected to be 105,192 operations. This places the San <br />Marcos Regional Airport at approximately 46% of its maximum ASV. Based on the <br />results of this analysis no capacity enhancements are expected to be needed <br />during the 20-year planning period. <br />Facility Requirements Chapter Page 33 of 70 <br />October 2020 <br /> <br />