Louisiana Revised Statutes Tit. 2, § 139. Supervision

All cities, towns, or other political subdivisions of this state in the construction, expansion, lease, control, equipment, improvement, maintenance, operation, regulation, and policing of airports and landing fields for the use of aircraft and in the acquisition of rights and privileges for lights and markers as provided for in this Part shall obtain the consent and approval of the department of all plans or proposed work in such construction, expansion, equipment, improvement, maintenance, regulation, and policing and the department shall have supervision thereof.