The provisions of §§ 5.1-2.5, 5.1-2.7, 5.1-2.8, 5.1-2.9, 5.1-2.10, 5.1-2.11, 5.1-2.12, 5.1-2.13, and 5.1-2.20 of this chapter shall be applicable only to any airport owned by the Virginia Airports Authority or its successor agency on January 1, 1980.