Tenn. Code Ann. § 42-5-112

Any authority vested by this chapter in a municipality or in the governing body thereof, for the planning, establishment, development, construction, enlargement, improvement, maintenance, equipment, operation, regulation, protection and policing of airports or other air navigation facilities established, owned or controlled, or to be established, owned or controlled by the municipality, may be vested by resolution of the governing body of the municipality in an officer or board or other municipal agency whose powers and duties shall be prescribed in the resolution; provided, that the expense of planning, establishment, development, construction, enlargement, improvement, maintenance, equipment, operation, regulation, protection and policing shall be a responsibility of the municipality. Any officer or board or other municipal agency that, pursuant to §§ 42-5-101 — 42-5-110, formerly §§ 42-301 — 42-310, inclusive, as enacted by Acts 1955, ch. 6, prior to the repeal of those sections by Acts 1957, ch. 375, has, by municipal resolution or ordinance, been delegated such authority as in this section provided, has all power and authority as is authorized by this chapter for such officer or board or municipal agency.