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AIRPORT MASTER PLAN <br />Runway 17/35 is equipped with a windsock installed at the approach end of <br />Runway 17, approximately 400 feet west of the Runway 17/35 centerline and 1,010 <br />feet from the Runway 17 threshold. <br />T AXIWAYS/T AXILANES <br />Aircraft move from the runways to the businesses/hangars on the airfield via <br />taxiways and taxilanes. Each taxiway and taxilane is designated with a unique name <br />and is designed to accommodate anticipated aircraft operations based on an <br />established Taxiway Design Group (TDG) and Aircraft Design Group (ADG) for the <br />critical aircraft expected to use the taxiway. The existing San Marcos Regional <br />s taxiway system layout, its alignment with current TDG and ADG based <br />taxiway design standards surface painted markings and <br />lighting are discussed in this section. <br />Taxiway System Layout and Configuration <br />The San Marcos Regional Airport has a taxiway system that was originally designed <br />before many of the current FAA taxiway design standards and practices were <br />established. The airport was originally constructed as a military airfield and, <br />taxiway layout are similar to <br />other military fields designed around the same time (e.g. fewer taxiways, multiple <br />runways, runways used as taxiways to reach other runways, etc.). The design <br />standards and practices used for military airfields during that time are distinctly <br />different from current airport design standards and practices. Current airport <br />design standards place a strong focus on establishing the necessary runway <br />infrastructure to meet wind coverage, capacity, and demand requirements and <br />establishing a sophisticated taxiway system to support the safe and efficient use of <br />the runways (e.g. full-length parallel taxiway systems, multiple runway exit taxiways, <br />etc.). <br />Since the existing taxiway system at the San Marcos Regional Airport does not <br />possess many of the attributes that make recently designed taxiway systems <br />efficient and safer, taxiway layout is expected to be a significant consideration in <br />. <br />Inventory Chapter Page 14 of 52 <br />October 2020 <br /> <br />