Welcome to the 2023 Colorado Pattern Challenge (CPC)! The CPC is hosted by the Arvada Associated Modelers. This is our 14 th CPC in as many years and will take place at the AAM East Field. The CPC is 2-day, AA, Sanctioned event for RC Aerobatics for Sportsman, Intermediate, Advanced, Masters, F3A Silver and F3A (P&F) (JSA combined). There are 6 rounds planned (4 Saturday / 2 Sunday) with contestant judging. Trophy/plaques will be awarded for 3 places, each class. There are NO aircraft restrictions for Sportsman flyers.