In this chapter, unless the context otherwise requires,
(1) “airport” means an area of land or water designed for the landing and taking-off of aircraft and used or to be used as a point of arrival or departure by air;
(2) “airport hazard” means anything that may obstruct or interfere with the navigation or operation of aircraft on or in the vicinity of an airport, including man-made structures of all kinds, trees and other natural growths, lights or beacons, and electrical or electronic devices emitting signals capable of disrupting radio communication;
(3) “airport hazard area” means an area in the vicinity of an airport in which a hazard to the operation of aircraft might be situated, and that may be designated as such by the department;
(4) “department” means the Department of Transportation and Public Facilities;
(5) “person” means an individual, firm, copartnership, corporation, company, association, joint stock association, or body politic, and includes a trustee, receiver, assignee, or similar representative;
(6) “structure” means an object constructed or installed by man, including buildings, towers, smokestacks, and overhead transmission lines;
(7) “tree” means any object of natural growth.