The flyover issue isn't being talked about at the moment. I think it's a taboo subject. To answer your question, when I bought my new property, nobody mentioned that we were in an air corridor. That question seems to be out of bounds.
To come back to something you mentioned earlier, I can tell you that in 2014, the public health department of the Montreal health and social services agency issued a public health notice about the health risks associated with noise from aircraft movements at Pierre Elliott Trudeau International Airport. I can send you a copy if you're interested.