Thank you all for your help. Yes, I now understand that it is millage rate and the tricky part will be calculating the market value. In Georgia, it is 25 mills, or $25 per $1000 of 40% of the market value.
Sorry if this has already been discussed. Please direct me to the correct thread if it has been. I am considering buying my first airplane and I am just trying to figure out the process and all the costs associated with the purchase. I know about sales tax and I've recently learned in Georgia...