Tennessee Code Title 42. Aeronautics § 42-6-104

(a) In the event a political subdivision has adopted, or hereafter adopts, a zoning ordinance under powers granted by title 13, chapter 7, part 1 or title 13, chapter 7, part 2, or by a private act regulating, among other things, the height of buildings, any airport zoning regulations applicable to the same area or portion of the area may be incorporated in and made a part of the zoning ordinance, and be administered and enforced in connection therewith.

(b) In the event of conflict between any airport zoning regulations adopted under this law and any other zoning ordinance applicable to the same area, the more restricted limitation or requirement shall govern and prevail.