To continue the modern training thread:
I believe that aircraft type courses are no longer in vogue now, and that courses are run on System/ATA Chapters to cut down on time away from the Line.
I personally think this is dangerous because it will invite anyone working under pressure to exceed their authorisations "just this once" or more.
I also believe that Cpl's and above are allowed on 'Snag courses' to learn the in's and out's of type specific faults and their remedies (what we used to call "defects.