Not much! (mutter, mutter, Trading Standards, mutter, mutter)
We were there back in 2007 with a course that would cover EASA when it came in! Ever since then you have not had to know the inner workings of the 737 in excruciating detail!
The Interim system stopped (again) in April this year, and as of late June Bristol had no approval to conduct helicopter courses, interim or otherwise.
Phil