49 U.S.C. § 47103: National plan of integrated airport systems

the rest of the transportation system, including connection to the surface transportation network; and forecasted technological developments in aeronautics. to the extent possible and as appropriate, consult with departments, agencies, and instrumentalities of the United States Government, with public agencies, and with the aviation community; and make every reasonable effort to address the needs of air cargo operations and rotary wing aircraft operations. To the extent possible, the Secretary of Defense shall make domestic military airports and airport facilities available for civil use. In advising the Secretary of Transportation under subsection (a) of this section, the Secretary of Defense shall indicate the extent to which domestic military airports and airport facilities are available for civil use. the circumstances of noncompliance; the timeline for corrective action with respect to such noncompliance; and any corrective action the Secretary intends to require to bring the airport sponsor into compliance. The Secretary is not required to conduct an audit or make a final determination before including an airport on the list referred to in paragraph (1). The Secretary of Transportation shall publish the plan every 2 years. is located in the most populous county (as such term is defined in section 2 of title 1 , United States Code) of a State that does not have an airport listed in the national plan; has an airport sponsor that was established before January 1, 2017 ; is located more than 15 miles away from another airport listed in the national plan; demonstrates how the airport will meet the operational activity required, through a forecast validated by the Secretary, within the first 10 years of operation; meets FAA [Federal Aviation Administration] airport design standards; submits a benefit-cost analysis; presents a detailed financial plan to accomplish construction and ongoing maintenance; and has the documented support of the State government for the entry of the airport or proposed airport into the national plan.”