Select Class: -- select -- CR Preparatory D - CR Preparatory E CR Preliminary 1B - CR Preliminary 1C CR Novice 2B - CR Novice 2C CR Elementary 3B - CR Elementary 3C CR Medium 4B - CR Medium 4C CR Advanced 5B - CR Advanced 5C Intermediate I - CR FEI Inter II CR FEI Inter A - CR FEI Inter B