(1) Any permit or variance issued for any structure or use in any Airport Height Limitation Overlay District may be conditioned on the installation, operation, and maintenance of markers and lights indicating the presence of an airport hazard. Required markers and lights shall be installed, operated, and maintained by the owner of the hazard.

(2) The owner of any existing structure, tree, or use that is an airport hazard may be required to permit the installation, operation, and maintenance of markers or lights. The marking and lighting of existing airport hazards shall be installed, operated, and maintained at the expense of the owner of the hazard. (Ord. 87-9 §1, 1987).