I don't believe you can do this but  Why don't you drop the `.ait` file in the template folder and when you go to create a new file click on the `Templates` button?

![enter image description here][1]

You also didnt specify what version you are using.  If you are using CS6 you can create a Template Layer.

  [1]: https://i.sstatic.net/RRwB4.png