When used in this Act:
     “Aircraft” means any contrivance now known or hereafter invented, used or designed for navigation of, or flight in, the air.
     “Airport” means any locality, either land or water, which is used or designed for the landing and taking off of aircraft, or for the location of runways, landing fields, airdromes, hangars, buildings, structures, airport roadways, and other facilities.
     “Airport hazard” means any structure or object of natural growth located on or in the vicinity of an airport, or any use of land near an airport, which is hazardous to the use of the airport for the landing and taking off of aircraft.
     “Approach” means any path, course, or zone defined by an ordinance of the District or by other lawful regulation, on the ground, in the air, or both, for the use of aircraft in landing and taking off from an airport located within the District.
     “Board” means Upper Mississippi River International Port District Board.
     “Commercial aircraft” means any aircraft other than public aircraft engaged in the business of transporting persons or property.
     “District” means the Upper Mississippi River International Port District created by this Act.
     “General obligation bond” means any bond issued by the District any part of the principal or interest of which bond is to be paid by taxation.
     “Governmental agency” means the United States, the State of Illinois, any local governmental body, and any agency or instrumentality, corporate or otherwise, thereof.
     “Governor” means the Governor of the State of Illinois.
     “Intermodal” means a type of international freight system that permits transshipping among rivers, sea, highway, rail, and air modes of transportation through use of ANSI/International Organization for Standardization containers, line haul assets, and handling equipment.
     “Navigable waters” mean any public waters that are or can be made usable for water commerce.
     “Person” means any individual, firm, partnership, trust, corporation, both domestic and foreign, company, association, or joint stock association, and includes any trustee, receiver, assignee, or personal representative thereof.
     “Port facilities” means all public and other buildings, structures, works, improvements, and equipment, except terminal facilities as defined in this Section, that are upon, in, over, under, adjacent, or near to navigable waters, harbors, rivers, slips, and basins and that are necessary or useful for or incident to the furtherance of water and land commerce and the operation of small boats and pleasure craft.
     “Port facilities” includes the excavating, widening, and deepening of basins, slips, harbors, rivers and navigable waters. Port facilities also means all lands, buildings, structures, improvements, equipment, and appliances located on district property that are used for industrial, manufacturing, commercial, or recreational purposes.
     “Private aircraft” means any aircraft other than public and commercial aircraft.
     “Public aircraft” means an aircraft used exclusively in the governmental service of the United States, or of any state or any public agency, including military and naval aircraft.
     “Public airport” means an airport owned by a Port District, an airport authority, or other public agency, which is used or is intended for use by public, commercial and private aircraft and by persons owning, managing, operating or desiring to use, inspect or repair any such aircraft or to use any such airport for aeronautical purposes.
     “Public incinerator” means a facility for the disposal of waste by incineration by any means or method for public use, including, but not limited to, incineration and disposal of industrial wastes.
     “Public interest” means the protection, furtherance, and advancement of the general welfare and of public health and safety and public necessity and convenience.
     “Revenue bond” means any bond issued by the District the principal and interest of which bond is payable solely from revenues or income derived from terminal, terminal facilities or port facilities of the District.
     “Terminal” means a public place, station, or depot for receiving and delivering baggage, mail, freight, or express matter and for any combination of such purposes, in connection with the transportation of persons and property on water or land or in the air.
     “Terminal facilities” means all land, buildings, structures, improvements, equipment, and appliances useful in the operation of public warehouse, storage, and transportation facilities and industrial, manufacturing, processing and conversion activities for the accommodation of or in connection with commerce by water, land, or air or useful as an aid to further the public interest, or constituting an advantage or convenience to the safe landing, taking off, and navigation of aircraft, or the safe and efficient operation or maintenance of a public airport; except that nothing in this definition shall be interpreted as granting authority to the District to acquire, purchase, create, erect, or construct a bridge across any waterway which serves as a boundary between the State of Illinois and any other state.