Any person wishing to use the airport as a base for conducting a business in any form of commercial aviation, including building of structures, shall first make application in writing and secure permission from the director, and shall pay the fees and charges prescribed for such use. The carrying of passengers for hire or reward, including, but not limited to, air taxi, charter or rental, for the purpose of this title, is considered to be a conduct of aviation business. (Prior code § 2-2-8)