There is a CAD requirement actually that SO's do a sim training session once every 90days. The mods that are done cover this easily. I only found out as I was off after an operation, was sick when I had a mod rostered and then a trip was changed as I was on day 89 and had to do the sim then....who knew?
As for the Instrument rating chunks, Mod 3 and 6 are your Instrument and Aircraft rating mods that you do every 6 months.
The SO job description is absolutely spot on....and if I'm honest, you cadets will be even less trusted with the airplane than we were as most of us had quite a lot of previous experience behind us. Not trying to be an arse, it's just the way it is.