The problem is that the SIA decided to incorporate the instrument plates along with the textual information into one big PDF called ‘Textual Information’. You’ll find all the plates in one big lump there.

It’s a right PITA, and I know that TIm D has already taken this up with them to no effect.

The irony is that on the SIA site itself IAPs are all published as individual PDFs, so they can do it when they want to.