AMC No 1 to 21.A.129(c) Obligations of the manufacturer –Conformity of prototype models and test specimens    

CAA ORS9 Decision No. 1

21.A.33 requires determination of conformity of prototype models and test specimens to the applicable design data. For a complete aircraft a ‘conformity document’, that has to be validated by the CAA, should be provided as part of the assistance to the design approval applicant. For products other than a complete aircraft, and for parts and appliances, the  CAA Form 1 validated by the CAA may be used as a conformity document as part of the assistance to the design approval applicant.