This specification establishes the minimum requirements for a Continued Operational Safety (COS) program for manufacturers of light sport aircraft (LSA) and LSA kits. It establishes a method for reporting, evaluating, and correcting unsafe conditions and service difficulty issues for the purpose of COS of a LSA. The elements of the COS program described in this specification include the following: Communication and Owner Information, Determination of Corrective Action, Notice of Corrective Action, and Continuation of Airworthiness.

This specification applies to aircraft seeking civil aviation authority approval, in the form of flight certificates, flight permits, or other like documentation.

1.1 This specification establishes the minimum requirements for a Continued Operational Safety (COS) program for manufacturer’s of light sport aircraft and light sport aircraft kits.

1.2 This specification applies to aircraft seeking civil aviation authority approval, in the form of flight certificates, flight permits, or other like documentation.

1.3 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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 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.