First you need a passion for scale radio control modeling. Second you need a scale model of a fixed wing aircraft that actually flew with documentation to prove color and markings. And thirdly you need the ability to fly it in a prototypical manner. Find the Regional Qualifier closest to you, and a contact phone number here. You need to be a current member of the AMA or the Sport Flyers.
Many clubs put on a scale contest of some kind.
These low key contests are a great way to get started in scale radio control modeling. Contact your local AMA representative for information. The best way to get in contact with the Scale Masters Association is by e-mail. Now you can be a formal member of the Scale Masters Association. It was decided that we desperately needed a means to organize the nations qualifiers.