Georgia Code Title 48. Revenue and Taxation § 48-5-542

The commissioner shall scrutinize carefully each return made to him and, if in his judgment it is necessary, he shall in arriving at a proposed assessment adjust, equalize, and apportion the valuation of all aircraft of each airline company of any type or model operated in this state by the airline company by such type or model. The aircraft shall be valued by the department in the same manner as other personal property in the state.