Individual seeking certification (approval) to function as an official scale contest judge must be aware of two (2) protocols which exist for pilots participating in AMA and U. S. Scale Masters events. This page seeks to contribute to a the clear understanding of differences between each by providing you access to a copy of each protocol to compare to the other.
In this manner, differences are more clearly understood. The two protocols are not intermingled at any point.

Protocols are clearly defined in competition handbooks published by each organization. Judge candidates must become familiar with both protocols "before" participating in "any" certification (approval) program of either organization.

Though they appear identical, each organization require pilots to witness mechanical options and flight maneuvers with options in a different manner. Additional differences exist. It is necessary to require all candidates to possess a "current"
AMA and U. S. Scale Masters, Assn. Competition Hand Book aka Competition Guideline. A copy of each is accessed below. Downloads are for reference. Typically official "printed" copies are required in your possession for use during the acceptance, certification, and functional process.  For a download of these documents, click underlined text below:
 AMA Download Comp Guide   

Academy of Model Aeronautics
5161 E. Memorial Dr.
Muncie IN 47302
Tel.: (800) 435-9262
Tel: 1-800-IFLYAMA
Fax.: (765) 289-4248
Scale Masters Download Comp Guide

U.S. Scale Masters Association

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March 2013