47th Annual Sierra Cup
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- Event Sponsor: Southern California Aero TeamEvent Category:Outdoor Free FlightEvent Class:Class AAADescription:Events; 150-155, 157-159 CAT III (JSO). An American Cup and World Cup event for FAI Free Flight events. F1A, B, C, Q. F1E as well and Mini Events F1G, F1H, F1P, F1J, F1S.Event Code:16658