Few places come to mind ...
Sabena flight academy
Airbus
Boeing/Alteon have a A330/A340 sim in Manchester, dont know if they offer the CCQ.
Maybe ... Lufthansa ?
What I dont have for you is a list of JAR TRTO's for the CCQ course, get that list first, I suspect its on the UK CAA web site the start talking to training providers.
No good doing the CCQ if its not with a TRTO with your JAR licence.
