Publications with Titles Containing : cap493 | Publications | About the CAA
that shows as current and takes you to the link above, also see what Gonzo said above.
If you want to find another version search the CAA website and see what you come up with, there you also have loads of other documents including those mentioned above.
The one thing you won't find online is unit specific prodecures (mats pt2s) as these are not public documents.