1.1 本规范涵盖轻型运动飞机固定螺距或地面可调螺旋桨设计、测试和质量保证的最低要求。这些螺旋桨用于轻型飞机，可与符合实践的发动机一起使用 F2339 . 1.1.1 当应用中提供的添加时 附录X1 本规范还涵盖了轻型运动飞机飞行中可调螺旋桨的设计、测试和质量保证的最低要求。 1.2 本规范旨在供轻型运动飞机螺旋桨制造商使用。 1.3 本规范不涉及螺旋桨的机身安装要求。 1.4 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者有责任建立适当的安全、健康和环境实践，并在使用前确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers the establishment of the minimum requirements for the design, testing, and quality assurance of fixed-pitch or ground adjustable propellers for light sport aircraft. These propellers are used on light aircraft, and could be used with engines conforming to Practice F2339 . 1.1.1 When applying the additions provided in Appendix X1 , this specification also covers the establishment of the minimum requirements for the design, testing and quality assurance of in-flight adjustable propellers for light-sport aircraft. 1.2 This specification is intended for use by manufacturers of propellers for light sport aircraft. 1.3 This specification does not address the airframe installation requirements for propellers. 1.4 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 to determine the applicability of regulatory limitations prior to use. 1.5 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.