Sec. 5. As used in this chapter, "vicinity of the locality" means the following:
(1) Three (3) miles from the locality (as defined in section 3(2) of this chapter) of a public use airport operation that serves regularly scheduled air carrier or military turbojet aircraft.
(2) One and one-half (1.5) miles from the locality of a public use airport operation that does not serve regularly scheduled air carrier or military turbojet aircraft.