* Consult your owner's manual: This is the most accurate source of information for your specific vehicle.
* Check a repair manual specific to your Aerostar's year and model: These manuals (like those from Haynes or Chilton) provide detailed specifications.
Without knowing the exact year and transmission type of your Aerostar, I cannot give you a precise fluid capacity. Expect it to be in the range of 10-12 quarts, but this is just an estimate. Always defer to your owner's manual or a repair manual for the correct information.
