AAA/Open Class Class This is the current USPA Open/Advanced Class applying the whole IPC 2012 dive pool and rules.
AA/Intermediate Class The AA Class is identical with the current USPA Intermediate Class. This class is the next step for teams and competitors that have mastered the Rookie Class and the A Class. Eight additional blocks (1, 11, 13, 14, 15, 18, 20, 22) without memory and mirror image and a little longer sequence are added to the rules of the A Class.
A Class The A Class is the next step up after learning the basics of 4-way competition in the Rookie Class. The A Class applies the following eight blocks of the IPC dive pool: 2, 4, 6, 7, 8, 9, 19, 21. The sequence can be three or four formations long.