As used in this subchapter, unless the context otherwise requires:
(1) “United States airport” means any United States airport owned or operated by the federal government, any part of which is located within the State of Arkansas;
(2) “County” means a county within whose borders there is any part of a United States airport;
(3) “City” means any city whose territorial limits are within fifty thousand feet (50,000') from any United States airport;
(4) “Person” means any individual, firm, copartnership, public or private corporation, company, association, joint-stock association, or body politic and includes any trustee, receiver, assignee, or other similar representative thereof; and
(5) “Structure” means any object constructed or installed by man including, but without limitation, buildings, towers, smokestacks, and overhead transmission lines.