Airport and Heliport Certification
The role of IDOT's Division of Aeronautics is to regulate and supervise aeronautics within this state, subject to the provisions of this Illinois Aeronautics Act. IDOT is empowered and directed to encourage, foster, and assist in the development of aeronautics in this state and to encourage the establishment of airports and other air navigation facilities. The division will classify and approve airports and restricted landing areas and any alterations or extensions thereof (Illinois Aeronautics Act 5, Section 26 and Section 42). It shall be unlawful for any municipality or other political subdivision, or officer or employee thereof, or for any person, to make any alteration or extension of an existing airport or restricted landing area, or to use or operate any airport or restricted landing area (Illinois Aeronautics Act 5, Section 47).