EAA Chapter 640 is a local membership group of Experimental Aircraft Association Members. Join us for fellowship, airplane talk, building advice, hangar flying, pilot and homebuilder support, and all things aviation. membership in EAA is required, chapter membership is $20 individual, $30 family, and free for students 8-17. membership dues help us host great events and monthly get togethers, where we always feed ya. come and visit.