Providing an exemption from the sales and use tax for materials, parts, or equipment used to repair, maintain, or upgrade aircraft or the avionics systems of aircraft if the materials, parts, or equipment are installed on the aircraft; requiring the Comptroller to report to the General Assembly by December 31 each year on the amount of sales and use tax revenue lost from the exemption and any change to the number of aviation technicians employed in the state as a result of the exemption; terminating the Act after June 30, 2023; etc.