HEATKEYS

RC Groups - the most active Radio Control model community: electric and fuel rc airplanes,rc helis,rc boats and rc cars. Features discussion forums, blogs, videos and classifieds.

Experimental Aircraft Association

Aircraft Design Software by Flight Level Engineering - exclusive seller of best CFD airplane design software Surface

Ashlar-Vellum precision 2D, 3D CAD drafting, and solid and surface modeling and drawing software for Macintosh and Windows. The official home page of Vellum software

RC CAD is a software specially designed to help modelers to create airplanes. It supplies a three-dimensional visualization of the model you are designing.

Advanced High Performance Canard Aircraft

The #1 FREE RC parkjet airplane plan site. Features over 100 FREE radio controlled parkjet airplane plans for download. Flying tips, building techniques, and more.

Aircraft Designs Inc. designs aircraft, helicopters, gyroplanes. We also publish books and provide engineering services and conduct classes.

homebuiltairplanes.com is a dicussion forum centered on homebuilt aircraft.

Free tutorials: mechanics, hydraulics, engineering, mathematics, statistics, sum of squares, geometry figures, plumbing, auto repair, laundry sink

Information on indoor electric model airplane flight. Plans, kits and CAD design.

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Aircraft Blueprints, Aviation History.