Central Arizona Modelers

AMA
Academy of Model Aeronautics (AMA National)
Academy of Model Aeronautics (AMA District 10)

Clubs North of the Border...
Skyrangers Model Flyers - Kamloops, BC, Canada

Scale Models and Associated Sites
Aerofiles (Aviation Historical Reference Site) - Perhaps the best "all-things-airplane" site we've seen
Air Force Images (The United States Air Force) - Lots of info but not too sure about organization...
All Aviation Flightline OnLine (AAFO - Reno Air Racing) - Air racing info and pictures
Flight Journal Magazine - If you've ever wondered where to find really interesting photos...
High Flight Magazine (Giant Scale R/C Modeling) - Giant Scale alright! Tons of it
National Association of Scale Aeromodelers (NASA) - Useful if you're a member
Scale Aero Web Magazine - Graphics-heavy scale site, lots of links
Tony Matteliano's Scale Model Index - You'll probably find what your looking for here
Scale Warbird Racing Association (SWRA Phoenix, AZ) - Photo-heavy site
Unlimited Scale Racing Association - (USRA) - Where to go to find race info, big boys, fast toys!
US Scale Masters Association (USSMA) - Is what it says

General Web Resources
Experimental Aircraft Association (EAA)
Fly Electric This is a very informative site. Excellent coverage and plans too!
International Miniature Aircraft Association (IMAA)
International Miniature Aerobatic Club (IMAC National)
International Miniature Aerobat Club (IMAC Southwest)
R/C Airplanes Net
R/C Index - Links, links, links
R/C Online - Very good R/C resource: forums, auctions and more
R/C Pages - International classified ads
R/C Web Directory - Frighteningly large R/C links resource, sponsored by Tower Hobbies