Documentation and Resources

The Popular Rotorcraft Association
Popular Rotorcraft Association, PRA, for the sport rotorcraft homebuilder and flying enthusiast, with local PRA chapters around the world. Sport and homebuild autogyro (gyro, gyroplane, gyrocopter) and helicopter manufacturer's, kits, plans and training
http://www.pra.org/ - More Info - Rate - Review - Modify - Report

Kit Built Aircraft Forum: Homebuilt Kit Airplane Information Resources
Kit Built Aircraft forum for all homebuilt kit airplanes, RV, Glasair, Lancair Rans, Kolb, Murphy, Europa, Etc. Includes flying and airplane technical information.
http://www.kitairplaneforum.com/ - More Info - Rate - Review - Modify - Report

Aircraft Builders Mailing List
Exchange information on aircraft building techniques, kitplanes, meet fellow homebuilders with this free mailing list service.
http://www.keskydee.com/aviation/list.html - More Info - Rate - Review - Modify - Report