JLUS Report sj_jlus_report_sm - Page 39

Johnston County Princeton £¤ 13 £¤ 70 ST 581 Pikeville §¨¦ 795 ¬« 44 Goldsboro Wayne County Wayne Executive Jetport Seymour Johnson AFB ST 111 £¤ 13 £¤ 70 Greene County La Grange ST 903 Lenoir County Seymour Johnson AFB Imaginary Surface Legend Airfield Imaginary Surface Figure 8 Primary Surface Approach/Departure Clearance Surface (50:1) Approach/Departure Clearance Surface (Horizontal) Inner Horizontal Surface Conical Surface (20:1) Outer Horizontal Surface Transitional Surface (7:1) Installation Boundary County Boundary JLUS County Partner Municipal Boundary Interstate US Highway State Highway Stream / River Airport Airfield Surface Area Imaginary Surfac The DOD has identi surfaces around mi determine how stru evaluated and iden obstruction relative runway. The imagin runway are used to that must remain fr the vicinity of aviati flight approaches, d various imaginary s another and are de structures so there to air navigation an or man‐made. The Seymour Johnson A on Figure 8. ab 117 Mount Olive Municipal Airport Seven Springs Source: Seymour Johnson AFB, 2015. Mount Olive Duplin County ST 403 ¬« 55 0 1 2 3 Miles Seymour Johnson AFB and Dare County Range JLUS Report Figure 8 Pikeville Johnston County Seymour Johnson AFB Imaginary Surface Wayne Executive Jetport Princeton £ ¤ 70 § ¦ ¨ 795 T S 581 £ ¤ 13 ¬ « Greene County 44 Legend Airfield Imaginary Surface Primary Surface Approach/Departure Clearance Surface (50:1) Approach/Departure Clearance Surface (Horizontal) Inner Horizontal Surface Conical Surface (20:1) Goldsboro Outer Horizontal Surface Transitional Surface (7:1) Installation Boundary County Boundary JLUS County Partner Seymour Johnson AFB £ ¤ 13 £ ¤ Municipal Boundary 70 La Grange T S 903 Wayne County Lenoir County T S 111 Interstate US Highway State Highway Stream / River Airport Airfield Surface Area Imaginary Surfaces The DOD has identified certain imaginary  surfaces around military use runways to  determine how structures and facilities are  evaluated and identify if they pose a vertical  obstruction relative to the airspace around a  runway.  The imaginary surfaces of an active  runway are used to define the required airspace  that must remain free of vertical obstructions in  the vicinity of aviation operations to ensur pYpY0\X\0\\\\0[0]\˰0p\[\[XY[\p\X\Z[0\۰ۙp[\[0\p\YۙY0ZYppZY0ٰX\\\p\p\X[0؜X[ۜZ\]Y][۰[0\][ۜ0Z]\]\[0ܰX[$XYKp[XY[\p\X\[]]p^[[\۰Q&\[^\\p[\]Y0۰Y\p BLM“[[]B][X\[Z\ܝ][[”\N^[[\ۈQ MK[[]B\[[B•0 MB^[[\ۈQ[\H[H[HT\ܝB“Z[\”YH