An IAC page providing descriptions of aerobatic figures that are flown (and scored) in competition, and the Aresti notation used by pilots and judges. Follow the link below (and use your "back" browser button to return to the Chapter 67 site).
Acro Explained! "Click" on Basic Aerodynamic Principles Demonstrated in Aerobatics to watch an EAA Webinar by Dagmar Kress, coach of the Metro State University aerobatics team and a National-level competitor.
Competitors rehearse their contest sequence, comprising specified figures, on the ground by doing the Aresti 'dance":