(a) the standards for the design, performance or continuing airworthiness of light sport aircraft issued by the American Society for Testing and Materials, as in force from time to time; or
(b) the standards prescribed by the Part 21 Manual of Standards for the design, performance or continuing airworthiness of light sport aircraft.
Note: The standards issued by the American Society for Testing and Materials could in 2015 be viewed on the society's website (http://www.astm.com).
"qualified manufacturer" of a light sport aircraft means:
(a) a manufacturer who, at the time the light sport aircraft was manufactured, held a current production certificate for an aircraft; or
(b) a manufacturer who has made a written declaration that, at the time the light sport aircraft was manufactured, it had:
(i) contracted engineering personnel with experience in ultralight or light aircraft design to ensure compliance with LSA standards referred to in paragraph 21.186(2)(b); and
(ii) facilities and tools suitable for the production of the aircraft in accordance with the applicable LSA standards; and
(iii) competent personnel, with appropriate training, skills and
experience, to perform work that affects product quality.