E.g. the Airbus A330 (GE CF6) is a different rating to the Airbus A318/A319/A320/A321 (CFM56). a differences training course, theoretical and practical for Airbus A330 (GE CF6) compared to Airbus A318 (CFM56) (and/or A319/A320/A321) as described in Appendix III point 1(c).