; uncategorized small airports. Sec. 149. Evaluation of airport master plans. Sec. 150. Definition of small business concern. Sec. 151. Small airport regulation relief. Sec. 152. Construction of certain control towers. Sec. 153. Nondiscrimination. Sec. 154. Definition of airport development. Sec. 155. General aviation airport expired funds. Sec. 156. Priority review of construction projects in cold weather States. Sec. 157. Minority and disadvantaged business participation. Sec. 158. Supplemental discretionary funds. Sec. 159. State taxation. Sec. 160. Airport investment partnership program. Sec. 161. Remote tower pilot program for rural and small communities. Sec. 162. Airport access roads in remote locations. Sec. 163. Limited regulation of non-federally sponsored property. Sec. 164. Seasonal airports. Sec. 165. Amendments to definitions. Sec. 166. Pilot program sunsets. Sec. 167. Buy America requirements. Subtitle D—Airport Noise and Environmental Streamlining Sec. 171. Funding eligibility for airport energy efficiency assessments. Sec. 172. Authorization of certain flights by stage 2 aircraft. Sec. 173. Alternative airplane noise metric evaluation deadline. Sec. 174. Updating airport noise exposure maps. Sec. 175. Addressing community noise concerns. Sec. 176. Community involvement in FAA NextGen projects located in metroplexes. Sec. 177. Lead emissions. Sec. 178. Terminal sequencing and spacing. Sec. 179. Airport noise mitigation and safety study. Sec. 180. Regional ombudsmen. Sec. 181. FAA leadership on civil supersonic aircraft. Sec. 182. Mandatory use of the New York North Shore Helicopter Route. Sec. 183. State standards for airport pavements. Sec. 184. Eligibility of pilot program airports. Sec. 185. Grandfathering of certain deed agreements granting through-the-fence access to general aviation airports. Sec. 186. Stage 3 aircraft study. Sec. 187. Aircraft noise exposure. Sec. 188. Study regarding day-night average sound levels. Sec. 189. Study on potential health and economic impacts of overflight