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1.1 This document provides guidance to assist manufacturers in understanding and meeting ASTM standards for light sport aircraft. This guidance material presents philosophies, practices and considerations recommended by industry consensus, but does not present technical or business requirements that must be met.

1.2 It is the intent of this guide to provide processes to be considered by organizations looking to develop or improve objective evidence of compliance for light sport aircraft. It does not attempt to identify all of the standards, regulations or other requirements that may be applicable to a given aircraft, production or testing process.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

4.1 This guide provides some major themes and examples for consideration related to compliance which are not necessarily captured in any single standard pertinent to light sport aircraft. The outline of this document is intended to loosely reflect the process that an organization would go through in order to reach and maintain production of a light sport aircraft that is demonstrably compliant with the applicable ASTM standards.

4.2 These considerations are applicable to manufacturers which are responsible for conformity to processes and procedures required in ASTM standards for light sport aircraft. Manufacturers are encouraged to think through the contents of this guide, reference the ASTM light sport aircraft standards, establish, document and follow their own procedures.

4.3 Manufacturers are responsible for determining which standards and revisions thereof are part of the regulatory package of any given CAA, along with any other requirements applicable within the agency’s jurisdiction.

4.4 Following this guide does not ensure compliance of a particular light sport aircraft; however, following the explanations provided herein should assist manufacturers in avoiding common pitfalls of declaring compliance prematurely, determining shortcomings in current declarations of compliance, and maintaining a body of documentation sufficient to support a declaration of compliance.