Flagler Executive Airport
http://https://www.flaglercounty.gov/Government/Departments/Airport/
  Federal Aviation Administration (FAA)
FAA Advisory Circular 150/5070-6B Change 2, Airport Master Plans
https://www.faa.gov/airports/resources/advisory_circulars/index.cfm/go/document.current/
documentnumber/150_5070-6
 

Florida Department of Transportation (FDOT)
FDOT Guidebook for Airport Master Planning
https://fdotwww.blob.core.windows.net/sitefinity/docs/default-source/aviation/masterplanguidebook_2021-2022-final.pdf?sfvrsn=56873783_2