As it happens, we've just updated the info on the non-USA airlines, including Air Canada - though our info does not quite correspond with yours; cf. e.g.
http://travel.simplyquick.com/discou...s-seating.html
Possibly the integration of Canadian Airlines with Air Canada is producing some complications in tying down fleet specification.
I suppose if we armed ourselves with precise instructions and tape measures on every flight we took, and reported back to flyertalk, a detailed and up-to-date picture might emerge. In the meantime, if you know of good, NON-COPYRIGHT, sources of info which simplyquick appears to be mising out on, let me know.