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ASTM F3198-25

Standard Specification for Light Sport Aircraft Manufacturer’s Continued Operational Safety (COS) Program
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ASTM F3198-25

Standard Specification for Light Sport Aircraft Manufacturer’s Continued Operational Safety (COS) Program

PUBLISH DATE 2025
PAGES 5
ASTM F3198-25

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.

1.1 This specification establishes the minimum requirements for a Continued Operational Safety (COS) program for manufacturers 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.

SDO ASTM: ASTM International
Document Number F3198
Publication Date Nov. 1, 2025
Language en - English
Page Count 5
Revision Level 25
Supercedes
Committee F37.02
Publish Date Document Id Type View
Nov. 1, 2025 F3198-25 Revision
March 1, 2018 F3198-18 Revision