Replaces everything after the enacting clause. Amends the Illinois Aeronautics Act. Provides that the Division of Aeronautics of the Department of Transportation shall not render financial assistance in connection with the planning, construction, reconstruction, extension, development, or improvement of hangars or other airport buildings, or in connection with the subsequent operation or maintenance of such air navigation facilities unless such facilities are publicly used, publicly owned, and of public benefit. Provides that "of public benefit" includes aircraft hangars, fixed-based operator buildings, and aircraft maintenance buildings at nonprimary airports included within the State Airport Plan. Includes construction costs as costs eligible for financial assistance by the Division of Aeronautics of the Department of Transportation. Provides that the prohibition on a municipality or political subdivision from directly accepting, receiving, or disbursing any funds granted by the United States under the Airport and Airway Improvement Act of 1982 shall not prohibit any municipality or any political subdivision owning a primary commercial service airport serving at least 10,000 annual enplanements from accepting, receiving, or disbursing funds directly from the federal government. Provides that any federal money awarded to airports in the State under specified federal laws that include project applications approved by the Department where the Department is designated as the agent to accept, receive, and disburse such funds shall also include a State match to the local share of the application for all costs eligible.