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if the structure will require mitigation or if the structure will impact terminal instrument <br /> procedures or visual flight rule traffic pattern airspace. Generally, a structure that exceeds FAR ' <br /> Part 77 Obstruction Standards will require mitigation such as lighting and/or marking in order to <br /> make it more conspicuous to airmen. <br /> Figures 3 and 4 display the Obstruction Criteria Above Mean Sea Level (AMSL) heights for 1 <br /> Stockton Metropolitan Airport(SCK). <br /> Part 77 Obstruction Surfaces <br /> F ■ Horizontal Surface:183'AMSL <br /> • sn ■ Conical Surface.183'-383'AMSL <br /> MINNIK " 'o <br /> 9,—� <br /> ,L—I oo <br /> IA-1 10 ' <br /> 120 <br /> �1d0- .50 <br /> 7 . <br /> ' �♦moi 50 Ii0 <br /> Yn.: <br /> IBO <br /> NORTHEAST INFILL' , <br /> f <br /> ---_1- 1 <br /> Figure 3 - Overview of Obstruction Criteria for Northeast Infill , <br /> 4 ' <br /> 'WITiamsAviation Consuftants,Inc. <br />