Steven,
Maybe... Here is an exerpt from the COPA book (available from the member section of their website) on foreign ownership. If you need more, let me know. Whole book is just over 1/2 meg.
There is lots more stuff on the COPA website
www.copanational.org [
copanational.org]
Here is the Transport Canada site for aviation
http://www.tc.gc.ca/air/menu.htm