620 ILCS 50/33

To apply for and receive the grant or loan of money or other financial aid from the state or federal government or from any state or federal agency, department, bureau or board, necessary or useful for the undertaking, performance or execution of any of the objects or purposes of this act, and to undertake the acquisition, establishment, construction, development or improvement of such airport or airports in cooperation with or as a joint enterprise with the state or federal governments or with both the state and federal governments acting or represented by any state or federal agency, department, bureau or board.