It doesn't seem to include any FS add-ons, though MS Flight and several Flight games (they call them simulators) are included, as well as some of the more geeky stuff like Farm simulator
Anyway, I just bought IL-2 Cliffs of Dover for a measly £6.45 and the DCS A-10C is there for £11.99.
In any case, it's worth popping over for a butchers. I've bought over half a dozen games in the last week (oh my bank balance!) and I'm going to be busy having fun with the likes of Metro: Last Light and chopping up zombies in various scenarios for the summer hols
PS - find a list of titles in the sale HERE